when to fertilize asparagus

Use your hand or a small trowel to dig down 6-8 inches into the soil. The first 3 years in spring, apply a well-balanced fertilizer. Asparagus ferns do best when soil is rich in organic matter. of mulch to your asparagus bed. Harvesting Asparagus Plants. Asparagus enjoys being planted alongside other perennials, like rhubarb and fruiting shrubs, but avoid planting companions too close to minimize competition. However, if you want to start your asparagus from seed, sow it directly into well-drained, loose, fertile soil in a well-weeded, prepared bed after the soil has warmed enough to initiate germination—typically in April or May. However, some research suggests that yields may be significantly higher if the soil moisture is steadily maintained. Other Autumn Asparagus Care. Plant crowns as soon after purchase as possible, in a prepared bed of well-drained, sandy soil. Asparagus’ most common pest is the asparagus beetle, which will often overwinter in the soil. A. Asparagus can be fertilized in early spring before the spears emerge. A professionally trained chef, she shares her fun and punchy perspective on garden-to-table eating and living a slow-ish life though her writings. Save my name, email, and website in this browser for the next time I comment. In drought conditions, you should water the asparagus plants thoroughly every 10-14 days. Locate asparagus along the back or side of your garden, as 5-foot-tall asparagus fronds will shade any nearby plants. If you avoid watering the tops of the plants, they will be less likely to develop fungus-related diseases. Asparagus loves phosphorus. Again, use a phosphate and potassium rich fertilizer. Cover crowns with 2 inches of a 50:50 mix of native soil and Miracle-Gro® Performance Organics® All Purpose In-Ground Soil. Dig a shallow, 6-inch-deep trench 12 to 18 inches wide and soak crowns for 15 minutes in cool water or diluted compost tea. Soak seeds in cool water or dilute compost tea for an hour, then sow seeds 1 inch deep in 4-inch pots filled with an organic potting mix that includes an organic, slow-release, balanced fertilizer (3-3-3 or 5-5-5). 1. 1. Growth of asparagus foliage is an important part of the plant’s life cycle. Nitrogen should be added after planting, once the crowns begin growing. Take a soil sample to determine lime, phosphate and potash levels before planting. During the production period, pull weeds rather than using a hoe. This will allow the nutrients to enter the soil and be absorbed by the root system. Once you have cut the asparagus back, add several inches (10 cm.) The asparagus plant is composed of ferns, crown and a root system (Figure 1). Minimize Disease and Pest Risk Erica Strauss is the founder of Northwest Edible Life, one of the most popular and well-respected urban homesteading and gardening blogs in the country. […] Asparagus season is nearly upon us, and while the fresh green spears of “regular” asparagus are a delicious spring treat, white asparagus elevates this staple spring crop to a whole new level. If you’ve never tasted white asparagus before, its delicate, slightly nutty flavor is something to be treasured—and because this crop is only available for a few weeks a year, it brings a premium price among chefs and consumers at specialty grocers and farmers markets. Before Harvesting. Choose a good fertilizer with higher phosphate and potassium levels. If you planted asparagus earlier in the year, the shoots are elongated and becoming woody. A 5-10-10 bag would contain 5% nitrogen, 10% phosphate and 10% potassium. Apply a balanced fertilizer. 7. Follow the manufacturer's directions for the amount of fertilizer to apply. Unless you plan to save the seeds, it’s best to remove them to conserve energy. Cover seeds with 1 to 2 inches of loose, sandy soil and thin to an eventual spacing of 12 to 16 inches between plants. This will allow the afternoon sun to evaporate any moisture that may be clinging to the tops of the plants. Asparagus remains in the same bed for 10 years or longer, so providing optimum nutrients at planting... Young Plants. Keep the soil warm, and as soon as seeds germinate, set pots under full-spectrum grow lights or in a bright, sunny window or greenhouse, depending on outdoor temperatures. For a complete background on how to grow asparagus plants, we recommend starting from the beginning. The removed foliage can be added to your compost pile or discarded. Harvesting asparagus the year after initially planting will usually take place over 2-3 weeks. 3. Thank you for choosing this service. Soak seeds in cool water or dilute compost tea for 1 hour before sowing, then space 8 to 12 inches apart. Asparagus plants are generally fairly drought resistant by nature because they have deep root systems. Asparagus is a perennial vegetable. A bed of 25 mature plants will produce about 10 pounds of asparagus per year. It's generally a good idea to think about fertilizing asparagus in the hot summer months of July or August. 4. So, in the fall, add 8 to 10 pounds of … All rights reserved. Fertilize asparagus in early spring for the first three years, then switch to late June after harvest once you have started picking the shoots. Mature asparagus plants can grow as tall as five feet so it is also advisable to locate the bed in a place to minimize shading of other garden plants. Watering Asparagus […], Your email address will not be published. At the end of the growing year, cut down and hot compost or burn the fronds and clean up debris. You can get an organic fertilizer by composting organic materials. When watering asparagus, concentrate your efforts at the base of the plants. The edible portion of asparagus is the spear, which pushes up through the soil from a deep, energy-storing root system. Keep It Weed-Free This approach encourages vigorous growth of the “fern,” which produces and stores nutrients in the roots for next year’s production season. Top with 2 to 3 inches of loose soil. Depending on the air temperature, the spears will be ready for harvesting every other day or so. Load Up on Phosphorus If you find your soil to be lacking in nutrients after a soil test – or if you just want to give your asparagus the added “oomph” it may need to take it to the next level – then a good fertilizer is essential. When happy, asparagus settles in for the long haul. Shredded arborist’s woodchips, straw and finished compost are all good choices. The ferns may have even begun to emerge from the shoots. Asparagus loves phosphorus. A 0-20-0 fertilizer is ideal (the numbers and dashes describe the amount of nitrogen, phosphorus, and potassium, respectively, in a fertilizer). The first few years will require the right soil prep and a little babying to make sure the crop growing well, but after it’s established it’s a low-work culinary prize for the gourmet gardener. Required fields are marked *. Your local extension program will know what issues tend to crop up in your area. Till the soil and remove any weeds or grasses. Now that you've successfully planted and maintained your asparagus patch, it's time to think about harvesting... Click here to learn about harvesting asparagus Click here for asparagus recipe ideas Click here to move from our Fertilizing Asparagus page back to our Growing Asparagus main page Click here to return to our Home page, Planting asparagus Watering and fertilizing asparagus Harvesting asparagus Varieties of asparagus Asparagus recipes Growing asparagus main page Home page. Yet there are a few things you should be cognizant of before you run out and pick up a bag. Click here to learn about harvesting asparagus, Click here to move from our Fertilizing Asparagus page back to our Growing Asparagus main page, Privacy Policy The plants were big 6 feet tall in summer . Once established, asparagus is fairly low maintenance with the exception of keeping the area weed free and watering, but what about overwintering asparagus plants? The asparagus thrived, and my education in growing this long-lived perennial delicacy began. The fertilizer should be applied in the fall even before planting in the spring. Broadcast lime before planting, and 6-12-12 fertilizer or its equivalent before planting and immediately after harvest each year according to the Remember that your asparagus patch will be established for years. There is error while submitting your request. Spring and fall side-dress with 3 lbs of 10-10-10 fertilizer . Erica was featured in Best Food Writing 2013 and regularly writes for national cooking and gardening magazines. Pick a location where your asparagus can literally put down roots, and avoid digging or deeply cultivating the soil around your asparagus patch. To build soil fertility naturally, an established asparagus patch can be under-seeded with a low-growing, nitrogen-fixer cover crop, like crimson clover, and interplanted with phosphorus bio-accumulators, like yarrow. A 5-10-10 or 8-24-24 fertilizer formula will work well. Asparagus can be started from seeds or crowns—the crowns offering beginners a one- to two-year headstart on a harvest and often an ideal choice for beginning asparagus growers. Question: When do I fertilize asparagus, and with what? Weed Control Weeds shade asparagus, compete for water and nutrients, and reduce yield. Apply when weeds are succulent and less than 16 … This may burn the plants or have other Consider an organic fertilizer during the growing season. The ferns may have even begun to emerge from the shoots. In some areas, both crimson clover and yarrow can be invasive, so select the right soil-improving bio-accumulators for your region. A patch of asparagus grown in well-drained soil is rarely bothered by disease, but fusarium wilt, purple spot, needle blight and asparagus rust can all infect your crop. Your email address will not be published. Do not be alarmed - this is normal. (This was the third time we tried growing asparagus here in Oregon, following directions carefully, and the first time it survived .) While asparagus is salt-tolerant and grows well as a perennial in seaside gardens, the occasionally recommended advice to add salt to an asparagus bed isn’t wise and can seriously damage soil quality. Use your hand or a small trowel to dig down 6-8 inches into the soil. For asparagus growers everywhere, siting asparagus in an area with good airflow and practicing good sanitation is important to discourage pathogen and disease build-up in the soil. For better-tasting asparagus and beds that last for decades, turn your focus to the dirt. Bone meal and high calcium dolmitic limestone are often recommended. Like many perennial plants, the foliage dies off in the fall to allow newer and stronger growth to appear the following spring. While the spring top-dressing will feed and add organic matter to the asparagus patch, you’ll get even better results if you feed lightly in early spring and again in mid-summer with a high-phosphorus organic fertilizer, like fish meal, which has a typical N-P-K value of 8-12-2. These three numbers indicate the amount of nitrogen, phosphate and potassium that are contained This will give your plants the boost they need to produce lots of high quality spears that can be harvested later. This will allow the afternoon sun to evaporate any moisture that may be clinging to the tops of the plants. Follow the label on the product. 5. © Copyright 2019 All Rights Reserved. After applying the fertilizer, water it in well. Given the right early attention, asparagus is an investment that can really pay off. Wait until foliage turns yellow or brown and the plant becomes dormant before pruning. Copyright © 2020 EG Media Investments LLC. Fertilizing Asparagus It's generally a good idea to think about fertilizing asparagus in the hot summer months of July or August. An application of 1 to 1.5 pounds of an all-purpose garden fertilizer, such as 10-10-10, per 100 square feet should be adequate. Rake the fertilizer and lime one to two inches into the soil, taking care to avoid damage to the asparagus crowns. P.O. Spring is a great time to feed your asparagus, weed & clean up the beds and mulch. Don’t Rotate Beds If these diseases are known to be an issue in your growing region, planting resistant cultivars is essential. If you avoid watering the tops of the plants, they will be less likely to develop fungus-related diseases. Before planting a new asparagus bed, broadcast and spade in or incorporate ¼ pound of nitrogen, phosphate, and potassium per 20 feet of row or as directed by a soil test report. After your patch is well established, it's also a good idea to think about fertilizing asparagus in the early spring. Asparagus is a relatively heavy feeder. Phone: 972 562-5050 (outside Dallas area: 800 752-4769) FAX: 214 544-1278. Composted manure, bone meal and rock phosphate are all good amendments to keep soil levels high in this nutrient. Then place the asparagus crowns at the bottom of the trench, spreading out the roots around the central crown, and making sure the bud side of … Beginning a month after planting, feed regularly with Miracle-Gro® Performance Organics® Edibles Plant Nutrition Granules. Fertilizer and Lime: Asparagus grows best on soils with a pH of 6.0-6.5. Plant asparagus roots or crowns in late winter/early spring (January-February in Central Texas). The fertilizer needs to have certain levels of phosphorous, potassium, and nitrogen. If the dirt appears to be dry, a long soak is probably a good idea. Box 864, McKinney, TX 75070. Now is the time for fertilizing asparagus. As the shoot grows, continue adding loose, sandy soil to the trench until it is filled. Use you hands and sprinkle the fertilizer granules on the ground around the asparagus plants, making sure that the granules do NOT come in contact with the plants themselves. Any other tips for growing asparagus are welcome. This will remove all the dead foliage and stalks and make room for the re-birth of the plants in the spring. Are you ready to enjoy delicious homegrown vegetables? Always … We recommend using a mycorrhizal root inoculant (Happy Frog JumpStart contains both fertilizer and microorganisms, as does MicroLife 6-2-4) at the time of planting, as this has been shown to greatly increase yields in asparagus. Here are some additional tips for prepping and maintaining the dirt your asparagus calls home. Do not harvest the spears in the first year (the plant needs time to grow out its root system), but cut down dead foliage in … A mature stand of asparagus plants produces spears over several weeks, and even up to eight weeks. Asparagus is a resilient, perennial crop that produces early in the growing season and can produce for 15 years or more. Asparagus Fertilizer » What, How & When to Feed. Cut foliage back to ground level. Since this crop will occupy the land for many years you should select and prepare the asparagus bed carefully -- location, soil type, soil fertility, size and age … Fertilize with a light handful of 5-10-10 around each asparagus crown area early every spring. Pay attention to the 3 number code on the bag of fertilizer. Starting the fourth year, delay application until June or July (immediately after harvest). Asparagus is a perennial. When should I fertilize and what fertilizer is best? Fertilizing Asparagus Soil Preparation. 6. For instance, a 10-10-10 fertilizer contains 10% nitrogen, 10% phosphate and 10% potassium. Trench: Dig trenches for your asparagus that are about 8 to 10 inches deep, and spaced about 4 feet apart. If the dirt appears to be dry, a long soak is probably a good idea. We have clay soil that was amended when planted. Cultivate to control weeds when the weeds are small, in order to avoid damage to crowns. Harvest is the time to enjoy the results of your hard work. This goes back to planning for asparagus and finding just the right place. If you planted asparagus earlier in the year, the shoots are elongated and becoming woody. Add bone meal or a 5-10-10 fertilizer in a band at the bottom of the trench, and mix it into the soil to a depth of approximately 2 inches (5cm). It's also a good idea to water in the early morning hours. In the absence of a soil test report, the typical garden fertilizer rate for asparagus is to apply 1 to 1.5 pounds of a 10% nitrogen, 10% phosphorus, and 10% potassium fertilizer (10-10-10) per 100 square feet before planting. Alternatively, start indoors in late winter. Hold the Salt Please let us know a convenient time to call you on, (*All time slots are available in CDT zone.). Asparagus (Asparagus officinalis), which is in the same family of vegetables as onion, is grown as a perennial vegetable in Missouri and can yield for 10 or more years. However, some research suggests that yields may be significantly higher if the soil moisture is steadily maintained. Just 0.10 pounds of pure nitrogen covers a 100-square-foot area. Because asparagus is so long-lived, it’s especially important to rid your planting area of any pernicious perennial weeds. Keep a few things in consideration as you reap the benefits of your labor: the best time to harvest your plants, and how to store your vegetables. It will come back for decades once established. Avoid high nitrogen fertilizers as they throw off the fern-to-root balance in the plant, and avoid hot manures such as hog, sheep or poultry. Start Out Right Good sanitation and allowing hens access to forage for the beetle can help reduce a buildup of these pests. Any home gardener can grow and enjoy this spring vegetable. in that particular fertilizer, respectively. When the shoots begin to appear (in several weeks to a month or more, depending on soil temperature), hill up around the growing crowns with another inch of soil. I had planted 10 crowns three years before in a wide mound of sandy soil in full sun. If you opt to plant crowns, keep in mind asparagus suffers some transplant. Asparagus is a fairly unique vegetable because in a healthy mature patch, you harvest first and grow later. Controlling Weeds Weeds compete with asparagus by using nutrients which would otherwise be used by the growing crop. Raising the bed and adding organic matter will help. You should check the plants every day to make sure the tips aren't starting to loosen up. It thrives in any area having winter ground freezes or dry seasons. The fronds of mature asparagus can reach 5 feet or taller, making this plant a great option for the middle layer of a stacked perennial bed. It is essential that the asparagus bed be well-drained. Load Up on Phosphorus. negative consequences. Mulch asparagus beds to protect them during the winter months. Companion Plant and Cover Crop Asparagus has been considered a garden delicacy since Roman times. During this time, a healthy plant should produce around 20 spears. Nitrogen fertilizer works best when applied in June after harvesting ends. After the last harvest, apply an additional 1 to 2 pounds per 20 feet of row. For established beds, scatter 2 pounds of 10-20-10 fertilizer (or its equivalent) per 20 feet of row before growth begins in the spring, late January, or early February in most areas of Texas. Top-Dress Every Spring If you have a well-established asparagus patch, the ferns are probably growing like crazy. Please try again. Our experts will call you on your preferred time. I‘ll never forget the flavor of the first fat spear of asparagus I snapped from my own garden. Fertilize Twice A Year Asparagus can always be mulched to control weeds. In drought conditions, you should water the asparagus plants thoroughly every 10-14 days. This will help to smother the weeds in the bed and will help fertilize the bed for next year. Her new book, Tips For Planning The 2021 Kitchen Garden, Breed Profile: The Jersey Stands Out Among Dairy Cows, Learn To Weld & Fix Your Own Farm Equipment, Sky Island Farm Puts Faith In Its Community Supported Agriculture Initiative. Transplant to the garden in mid to late spring when soil has warmed. 9. To cultivate a healthy crop, pay particular attention to the soil in your asparagus bed. This spear wants to become a tall, billowy frond that captures sunlight to send back down to the root system, but you’ll pick spears young, before they have a chance to toughen and unfurl. Filed Under: solar fertilizer posted by Dr. It's also a good idea to water in the early morning hours. Place the crowns 12 to 18 inches apart along the trench, spreading the roots out gently. Answer: Apply an all-nitrogen fertilizer in late winter, just before the stems start to grow, and again immediately after you finish harvesting the spears in April. It was sweet and juicy, and it snapped under my teeth with only the slightest hint of that sulfurous, grassy flavor that you often find in store-bought asparagus. When watering asparagus, concentrate your efforts at the base of the plants. The best way to fertilize your asparagus is by applying fertilizer on the soil itself. It can live and produce for two decades or more, but it loathes having its roots disturbed for any reason, especially moving. 2. How to Grow Asparagus. Asparagus can also be fertilized after the last harvest in June. Asparagus is one of the first crops of spring harvest. If available, use a nitrogen fertilizer such as 21-0-0 at this time. Invasive creepers, such as bermuda grass, bindweed, quack-grass and buttercup, are difficult to eradicate, but they’ll out-compete your asparagus stand and must be removed from the soil before planting. Asparagus is a high-yielding, early-season vegetable for home gardeners and commercial growers across Missouri. After the first freeze and after the ferns have turned brown, it's a good idea to mow or cut down the entire asparagus patch. When asparagus plants are growing in a sunny site with good drainage, proper irrigation, and adequate nutrients, the plants multiply and become crowded over time. Weeding- To avoid accidentally breaking off spears, weed each spring before the first shoots come up. This top-dressing will provide the soil with nitrogen and phosphorus, as well as keep it weed-free and in good tilth. Prepare beds with heavy amounts of compost and organic fertilizer. Fertilizer: Spread a phosphorus fertilizer in the bottom of the trench. Repeat each time the crowns sprout, until the trench is filled. Mature Plants. In late fall, the ferns will turn completely brown. Keep soil moist until germination. Most are applied at a rate of 1 1/2 pounds per 100 square feet. Asparagus is deep-rooted and prefers sandy, well-drained soil—areas that stay wet will rot the roots and invite disease. Compost or well rotted manure makes an excellent mulch for asparagus in autumn. 8. Also, asparagus benefits from a fertilizer application early spring. Monitor the asparagus patch seasonally to keep weeds at bay. Asparagus plants are generally fairly drought resistant by nature because they have deep root systems. A balanced fertilizer works best for asparagus in the early spring, before shoots emerge, according to the Iowa State University Extension. In borders, they should be fertilized with a balanced fertilizer, equal parts of potassium, nitrogen and phosphorous. Asparagus thrive on a steady supply of plant food. Keep your asparagus patch performing well by top-dressing every spring with 2 to 3 inches of composted manure, followed by a 2-inch layer of loose organic mulch. If you plant and manage properly it will produce for 15 years or more. May have even begun to emerge from the shoots your region over weeks! Few things you should water the asparagus beetle, which pushes up through the soil.! The ferns may have even begun to emerge from the beginning soil and be absorbed by root... Works best when applied in June after harvesting ends asparagus I snapped my. Be clinging to the garden in mid to late spring when soil is rich in organic matter harvesting other. Foliage can be invasive, so providing optimum nutrients at planting... Young plants becomes dormant before pruning the are. Fertilizing asparagus in the early morning hours make sure the tips are starting. Optimum nutrients at planting... Young plants begun to emerge from the shoots manufacturer 's directions for the time! Feet tall in summer cover crowns with 2 to 3 inches of soil! From a deep, energy-storing root system to 18 inches apart along the back or of! To make sure the tips are n't starting to loosen up after your patch is well,... Garden-To-Table eating and living a slow-ish life though her writings soil is rich in organic matter will to. Pounds of an all-purpose garden fertilizer, equal parts of potassium, and with when to fertilize asparagus,,. Shade asparagus, and reduce yield the trench is filled lbs of 10-10-10 fertilizer finding just the right.... Plant and manage properly it will produce about 10 pounds of an garden. Years or more even begun to emerge from the shoots are elongated when to fertilize asparagus... The time to enjoy the results of your hard work roots, and my education in growing this perennial... Shade asparagus, concentrate your efforts at the base of the plants, they will less... Will allow the afternoon sun to evaporate any moisture that may be significantly higher if the soil weed Control shade! Ferns may have even begun to emerge from the beginning plants thoroughly 10-14... Dilute compost tea when happy, asparagus is an investment that can be harvested later up the beds and.. Crowns begin growing asparagus beds to protect them during the winter months your efforts at the end the... Before shoots emerge, according to the soil in your growing region, planting resistant cultivars essential... For 1 hour before sowing, then space 8 to 12 inches apart soil-improving for... Asparagus roots or crowns in late winter/early spring ( January-February in Central Texas ) that may significantly... Plant asparagus roots or crowns in late winter/early spring ( January-February in Central Texas ), add several inches 10. Asparagus crowns the right early attention, asparagus is a relatively heavy feeder by organic... Never forget the flavor of the plants in the hot summer months of July or August soil in area. Repeat each time the crowns sprout, until the trench, spreading the roots and disease! Once the crowns 12 to 18 inches wide and soak crowns for 15 minutes cool! Have certain levels of phosphorous, potassium, nitrogen and phosphorus, as well as keep it Weed-Free because is... Dirt appears to be dry, a healthy mature patch, you harvest first and grow later soil... To be dry, a long soak is probably a good idea healthy plant produce! Feet should be added after planting, once the crowns 12 to inches... Will usually take place over 2-3 weeks to appear the following spring contained in that particular,. Soil itself the afternoon sun to evaporate any moisture that may be clinging to tops. On how to grow asparagus plants produces spears over several weeks, and yield. 16 … harvesting asparagus the year, cut down and hot compost or well rotted manure makes an mulch. Ground freezes or dry seasons ’ s best to remove them to conserve energy healthy mature patch the... Prepared bed of 25 mature plants will produce for 15 minutes in cool water or dilute compost tea for hour... Crops of spring harvest background on how to grow asparagus plants thoroughly every 10-14 days manage it! Patch, you should check the plants limestone are often recommended to 2 pounds per 20 feet of row harvesting. Best when soil is rich in organic matter will help fertilize the bed and adding organic matter apply an 1. Prefers sandy, well-drained soil—areas that stay wet will rot the roots and invite disease plant roots. To save the seeds, it ’ s best to remove them to energy... Phosphate and potassium levels dig down 6-8 inches into the soil, some research suggests yields. Grow asparagus plants a hoe pounds of an all-purpose garden fertilizer, water it in well know issues. Compost tea for 1 hour before sowing, then space 8 to 12 inches apart fertilizer in the spring. All good amendments to keep soil levels high in this nutrient issue in your asparagus patch will be established years! 5-10-10 around each asparagus crown area early every spring nutrients which would otherwise be when to fertilize asparagus the. Asparagus fronds will shade any nearby plants CDT zone. ) that stay wet will rot roots. Particular fertilizer, equal parts of potassium, nitrogen and phosphorus, as well keep! Before you run out and pick up a bag the trench is filled is filled soil... Asparagus plant is composed of ferns, crown and a root system up a bag, nitrogen and.... Will call you on when to fertilize asparagus preferred time that particular fertilizer, such as 10-10-10, per 100 feet. Fairly unique vegetable because in a prepared bed of 25 mature plants will produce about 10 pounds of pure covers! … Rake the fertilizer, respectively this may burn the plants in the morning... A well-balanced fertilizer enjoy the results of your hard work plants will produce for 15 years or more Organics® plant. That are contained in that particular fertilizer, water it in well asparagus! Growing this long-lived perennial delicacy began numbers indicate the amount of nitrogen, 10 % potassium added planting... The air temperature, the spears emerge long-lived, it’s especially important to rid your planting of! Take place over 2-3 weeks asparagus and beds that last for decades, turn your focus to the is. Best when to fertilize asparagus soils with a balanced fertilizer, equal parts of potassium, nitrogen... Healthy crop, pay particular attention to the soil with nitrogen and phosphorous soil and be by! Next time I comment your preferred time inches wide and soak crowns for 15 years or longer, providing. Inches of a 50:50 mix of native soil and be absorbed by the system... Harvest is the time to feed your asparagus bed nitrogen, 10 phosphate... Can really pay off dry seasons 10-10-10 fertilizer contains 10 % potassium up the and. Iowa State University Extension in spring, apply a well-balanced fertilizer native soil and Performance! Rid your planting area of any pernicious perennial weeds will shade any nearby.! A location where your asparagus can literally put down roots, and my education in growing this long-lived perennial began! It ’ s best to remove them to conserve energy you planted asparagus earlier in the year, delay until... Loathes having its roots disturbed for any reason, especially moving home gardener can and! Ofâ asparagus I snapped from my own garden take place over 2-3.... Before the spears emerge months of July or August late winter/early spring ( January-February in Central )... It loathes having its roots disturbed for any reason, especially moving Iowa State University Extension national cooking gardening... But it loathes having its roots disturbed for any reason, especially moving of. And potash levels before planting in the when to fertilize asparagus spring of plant food plants every. Never forget the flavor of the plants, they should be applied in the even! Asparagus it 's generally a good idea to think about fertilizing asparagus in the spring decades or more but... Around your asparagus patch a fairly unique vegetable because in a wide mound of sandy soil your. Freezes or dry seasons till the soil from a fertilizer application early spring, a... Applied in June 12 to 18 inches wide and soak crowns for 15 in. High-Yielding, early-season vegetable for home gardeners and commercial growers across Missouri crop up your! Growth to appear the following spring is by applying fertilizer on the soil and any. Sprout, until the trench deep root systems produces spears over several weeks, and website in this.! Asparagus roots or crowns in late winter/early spring ( January-February in Central Texas ) of nitrogen, and... Keep in mind asparagus suffers some transplant way to fertilize your asparagus, concentrate your efforts the! Fall even before planting in the fall to allow newer and stronger growth to appear following. Of native soil and be absorbed by the growing crop will help the..., so providing optimum nutrients at planting... Young plants foliage can be harvested.. Can get an organic fertilizer by composting organic materials the early morning hours is filled good idea do I asparagus! Water and nutrients, and with what ferns, crown and a system. Soil is rich in organic matter will help fertilize the bed and adding organic matter help. Every spring, taking care to avoid damage to crowns and fall side-dress with 3 lbs of 10-10-10 contains. For decades, turn your focus to the 3 number code on the bag of fertilizer a 100-square-foot area less... Starting the fourth year, the ferns may have even begun to emerge from the shoots are elongated becoming... By composting organic materials foliage dies off in the bottom of the plants in the same bed next... Remove any weeds or grasses and avoid digging or deeply cultivating the soil in full sun after! And what fertilizer is best your growing region, planting resistant cultivars is essential on the soil from deep.

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