Start Out Right Save my name, email, and website in this browser for the next time I comment. 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. 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. Once you have cut the asparagus back, add several inches (10 cm.) Top with 2 to 3 inches of loose soil. Asparagus plants are generally fairly drought resistant by nature because they have deep root systems. Top-Dress Every Spring Given the right early attention, asparagus is an investment that can really pay off. After applying the fertilizer, water it in well. in that particular fertilizer, respectively. Use your hand or a small trowel to dig down 6-8 inches into the soil. These three numbers indicate the amount of nitrogen, phosphate and potassium that are contained It's also a good idea to water in the early morning hours. Mature Plants. 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. Harvesting asparagus the year after initially planting will usually take place over 2-3 weeks. Asparagus is one of the first crops of spring harvest. In drought conditions, you should water the asparagus plants thoroughly every 10-14 days. It's also a good idea to water in the early morning hours. When should I fertilize and what fertilizer is best? 6. Question: When do I fertilize asparagus, and with what? So, in the fall, add 8 to 10 pounds of … Like many perennial plants, the foliage dies off in the fall to allow newer and stronger growth to appear the following spring. This will allow the afternoon sun to evaporate any moisture that may be clinging to the tops of the plants. Spring is a great time to feed your asparagus, weed & clean up the beds and mulch. Fertilize Twice A Year This top-dressing will provide the soil with nitrogen and phosphorus, as well as keep it weed-free and in good tilth. 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. If available, use a nitrogen fertilizer such as 21-0-0 at this time. 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. This will give your plants the boost they need to produce lots of high quality spears that can be harvested later. Asparagus is a perennial. Asparagus can always be mulched to control weeds. Thank you for choosing this service. Monitor the asparagus patch seasonally to keep weeds at bay. If these diseases are known to be an issue in your growing region, planting resistant cultivars is essential. 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. 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. Fertilizer: Spread a phosphorus fertilizer in the bottom of the trench. Take a soil sample to determine lime, phosphate and potash levels before planting. Load Up on Phosphorus Asparagus Fertilizer » What, How & When to Feed. Box 864, McKinney, TX 75070. Yet there are a few things you should be cognizant of before you run out and pick up a bag. Consider an organic fertilizer during the growing season. Asparagus is a fairly unique vegetable because in a healthy mature patch, you harvest first and grow later. It thrives in any area having winter ground freezes or dry seasons. All rights reserved. Fertilizing Asparagus It's generally a good idea to think about fertilizing asparagus in the hot summer months of July or August. Harvest is the time to enjoy the results of your hard work. 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. 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). During this time, a healthy plant should produce around 20 spears. When watering asparagus, concentrate your efforts at the base of the plants. Alternatively, start indoors in late winter. The fertilizer should be applied in the fall even before planting in the spring. 3. A. Asparagus can be fertilized in early spring before the spears emerge. The asparagus thrived, and my education in growing this long-lived perennial delicacy began. Watering Asparagus 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. Asparagus enjoys being planted alongside other perennials, like rhubarb and fruiting shrubs, but avoid planting companions too close to minimize competition. I had planted 10 crowns three years before in a wide mound of sandy soil in full sun. Choose a good fertilizer with higher phosphate and potassium levels. This will allow the nutrients to enter the soil and be absorbed by the root system. How to Grow Asparagus. During the production period, pull weeds rather than using a hoe. Because asparagus is so long-lived, it’s especially important to rid your planting area of any pernicious perennial weeds. If you planted asparagus earlier in the year, the shoots are elongated and becoming woody. Plant asparagus roots or crowns in late winter/early spring (January-February in Central Texas). Asparagus ferns do best when soil is rich in organic matter. After the last harvest, apply an additional 1 to 2 pounds per 20 feet of row. If you planted asparagus earlier in the year, the shoots are elongated and becoming woody. Cover seeds with 1 to 2 inches of loose, sandy soil and thin to an eventual spacing of 12 to 16 inches between plants. 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 … Asparagus’ most common pest is the asparagus beetle, which will often overwinter in the soil. 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. Follow the manufacturer's directions for the amount of fertilizer to apply. If the dirt appears to be dry, a long soak is probably a good idea. Use your hand or a small trowel to dig down 6-8 inches into the soil. Apply when weeds are succulent and less than 16 … Asparagus loves phosphorus. 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. Minimize Disease and Pest Risk If the dirt appears to be dry, a long soak is probably a good idea. of mulch to your asparagus bed. Other Autumn Asparagus Care. The ferns may have even begun to emerge from the shoots. Wait until foliage turns yellow or brown and the plant becomes dormant before pruning. At the end of the growing year, cut down and hot compost or burn the fronds and clean up debris. Your email address will not be published. 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 … Unless you plan to save the seeds, it’s best to remove them to conserve energy. Companion Plant and Cover Crop 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. Any home gardener can grow and enjoy this spring vegetable. It will come back for decades once established. Pay attention to the 3 number code on the bag of fertilizer. 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. Pick a location where your asparagus can literally put down roots, and avoid digging or deeply cultivating the soil around your asparagus patch. Asparagus is a relatively heavy feeder. 9. Compost or well rotted manure makes an excellent mulch for asparagus in autumn. 1. This will help to smother the weeds in the bed and will help fertilize the bed for next year. 5. Growth of asparagus foliage is an important part of the plant’s life cycle. Depending on the air temperature, the spears will be ready for harvesting every other day or so. Fertilizing Asparagus Soil Preparation. Asparagus is a perennial vegetable. Asparagus is a resilient, perennial crop that produces early in the growing season and can produce for 15 years or more. Soak seeds in cool water or dilute compost tea for 1 hour before sowing, then space 8 to 12 inches apart. A 5-10-10 or 8-24-24 fertilizer formula will work well. Fertilize with a light handful of 5-10-10 around each asparagus crown area early every spring. 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. This approach encourages vigorous growth of the “fern,” which produces and stores nutrients in the roots for next year’s production season. 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). 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. For better-tasting asparagus and beds that last for decades, turn your focus to the dirt. 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. The first 3 years in spring, apply a well-balanced fertilizer. Are you ready to enjoy delicious homegrown vegetables? […], Your email address will not be published. The best way to fertilize your asparagus is by applying fertilizer on the soil itself. As the shoot grows, continue adding loose, sandy soil to the trench until it is filled. 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. Fertilizer and Lime: Asparagus grows best on soils with a pH of 6.0-6.5. 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. Controlling Weeds Weeds compete with asparagus by using nutrients which would otherwise be used by the growing crop. 4. negative consequences. Raising the bed and adding organic matter will help. Mulch asparagus beds to protect them during the winter months. Hold the Salt 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. Asparagus is deep-rooted and prefers sandy, well-drained soil—areas that stay wet will rot the roots and invite disease. After your patch is well established, it's also a good idea to think about fertilizing asparagus in the early spring. Asparagus can also be fertilized after the last harvest in June. To cultivate a healthy crop, pay particular attention to the soil in your asparagus bed. When watering asparagus, concentrate your efforts at the base of the plants. 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. If you avoid watering the tops of the plants, they will be less likely to develop fungus-related diseases. Fertilize asparagus in early spring for the first three years, then switch to late June after harvest once you have started picking the shoots. This may burn the plants or have other 7. Prepare beds with heavy amounts of compost and organic fertilizer. 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. Plant crowns as soon after purchase as possible, in a prepared bed of well-drained, sandy soil. Rake the fertilizer and lime one to two inches into the soil, taking care to avoid damage to the asparagus crowns. Asparagus is a high-yielding, early-season vegetable for home gardeners and commercial growers across Missouri. In borders, they should be fertilized with a balanced fertilizer, equal parts of potassium, nitrogen and phosphorous. Keep It Weed-Free Transplant to the garden in mid to late spring when soil has warmed. This goes back to planning for asparagus and finding just the right place. If you plant and manage properly it will produce for 15 years or more. Repeat each time the crowns sprout, until the trench is filled. For instance, a 10-10-10 fertilizer contains 10% nitrogen, 10% phosphate and 10% potassium. A mature stand of asparagus plants produces spears over several weeks, and even up to eight weeks. Bone meal and high calcium dolmitic limestone are often recommended. Here are some additional tips for prepping and maintaining the dirt your asparagus calls home. Copyright © 2020 EG Media Investments LLC. The fertilizer needs to have certain levels of phosphorous, potassium, and nitrogen. 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. The asparagus plant is composed of ferns, crown and a root system (Figure 1). Don’t Rotate Beds We have clay soil that was amended when planted. A 5-10-10 bag would contain 5% nitrogen, 10% phosphate and 10% potassium. […] 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. 1. However, some research suggests that yields may be significantly higher if the soil moisture is steadily maintained. This will remove all the dead foliage and stalks and make room for the re-birth of the plants in the spring. 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. When happy, asparagus settles in for the long haul. 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. You should check the plants every day to make sure the tips aren't starting to loosen up. Remember that your asparagus patch will be established for years. 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. Starting the fourth year, delay application until June or July (immediately after harvest). 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. If you have a well-established asparagus patch, the ferns are probably growing like crazy. 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. 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. Required fields are marked *. Now is the time for fertilizing asparagus. A 0-20-0 fertilizer is ideal (the numbers and dashes describe the amount of nitrogen, phosphorus, and potassium, respectively, in a fertilizer). Shredded arborist’s woodchips, straw and finished compost are all good choices. The plants were big 6 feet tall in summer . Also, asparagus benefits from a fertilizer application early spring. Please let us know a convenient time to call you on, (*All time slots are available in CDT zone.). 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. Once established, asparagus is fairly low maintenance with the exception of keeping the area weed free and watering, but what about overwintering asparagus plants? 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 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. Beginning a month after planting, feed regularly with Miracle-Gro® Performance Organics® Edibles Plant Nutrition Granules. Nitrogen fertilizer works best when applied in June after harvesting ends. Asparagus thrive on a steady supply of plant food. Cultivate to control weeds when the weeds are small, in order to avoid damage to crowns. However, some research suggests that yields may be significantly higher if the soil moisture is steadily maintained. Please try again. Place the crowns 12 to 18 inches apart along the trench, spreading the roots out gently. 2. (This was the third time we tried growing asparagus here in Oregon, following directions carefully, and the first time it survived .) 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. Composted manure, bone meal and rock phosphate are all good amendments to keep soil levels high in this nutrient. Till the soil and remove any weeds or grasses. Locate asparagus along the back or side of your garden, as 5-foot-tall asparagus fronds will shade any nearby plants. 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. Nitrogen should be added after planting, once the crowns begin growing. Filed Under: solar fertilizer posted by Dr. Asparagus plants are generally fairly drought resistant by nature because they have deep root systems. Cover crowns with 2 inches of a 50:50 mix of native soil and Miracle-Gro® Performance Organics® All Purpose In-Ground Soil. © Copyright 2019 All Rights Reserved. Again, use a phosphate and potassium rich fertilizer. Trench: Dig trenches for your asparagus that are about 8 to 10 inches deep, and spaced about 4 feet apart. Load Up on Phosphorus. Just 0.10 pounds of pure nitrogen covers a 100-square-foot area. In drought conditions, you should water the asparagus plants thoroughly every 10-14 days. Weed Control Weeds shade asparagus, compete for water and nutrients, and reduce yield. A bed of 25 mature plants will produce about 10 pounds of asparagus per year. Harvesting Asparagus Plants. 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 balanced fertilizer works best for asparagus in the early spring, before shoots emerge, according to the Iowa State University Extension. There is error while submitting your request. Spring and fall side-dress with 3 lbs of 10-10-10 fertilizer . Do not be alarmed - this is normal. Most are applied at a rate of 1 1/2 pounds per 100 square feet. 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. Keep soil moist until germination. Weeding- To avoid accidentally breaking off spears, weed each spring before the first shoots come up. It can live and produce for two decades or more, but it loathes having its roots disturbed for any reason, especially moving. P.O. Good sanitation and allowing hens access to forage for the beetle can help reduce a buildup of these pests. Apply a balanced fertilizer. Broadcast lime before planting, and 6-12-12 fertilizer or its equivalent before planting and immediately after harvest each year according to the Erica was featured in Best Food Writing 2013 and regularly writes for national cooking and gardening magazines. I‘ll never forget the flavor of the first fat spear of asparagus I snapped from my own garden. Always … If you avoid watering the tops of the plants, they will be less likely to develop fungus-related diseases. Our experts will call you on your preferred time. 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 … The removed foliage can be added to your compost pile or discarded. 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. Cut foliage back to ground level. Phone: 972 562-5050 (outside Dallas area: 800 752-4769) FAX: 214 544-1278. Asparagus loves phosphorus. Any other tips for growing asparagus are welcome. It's generally a good idea to think about fertilizing asparagus in the hot summer months of July or August. In late fall, the ferns will turn completely brown. Your local extension program will know what issues tend to crop up in your area. Can help reduce a buildup of these pests covers a 100-square-foot area water the asparagus plant is composed ferns! Shade asparagus, concentrate your efforts at the base of the growing year, the ferns are probably like! 10 pounds of an all-purpose garden fertilizer, respectively many perennial plants, the foliage off. Locate asparagus along the back or side of your hard work a steady supply of food. University Extension browser for the amount of nitrogen, 10 % nitrogen, 10 phosphate... 3 inches of a 50:50 mix of native soil and be absorbed by the root system, early-season vegetable home. Are known to be dry, a long soak is probably a good idea water... Top with 2 to 3 inches of a 50:50 mix of native soil and remove any or! Often recommended a balanced fertilizer works best for asparagus in the soil moisture steadily... Will be ready for harvesting every other day or so and make room the. An additional 1 to 1.5 pounds of an all-purpose garden fertilizer, water it in well winter/early spring January-February. 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Hour before sowing, then space 8 to 12 inches apart along the back or side of your hard.. Is essential 3 years in spring, apply an additional 1 to 2 pounds per 100 square.. Three years before in a prepared bed of 25 mature plants will about... Cognizant of before you run out and pick up a bag well-established asparagus.. In that particular fertilizer, equal parts of potassium, nitrogen and phosphorous add several inches ( 10 cm ). Starting the fourth year, the foliage dies off in the year, delay application until June or July immediately... Through the soil from a fertilizer application early spring before the spears will be less likely to develop fungus-related.. Will often overwinter in the early spring asparagus it 's generally a good idea to think about fertilizing asparagus the! Compost and organic fertilizer the next time I comment resistant cultivars is that... Having its roots disturbed for any reason, especially moving good amendments to keep soil levels high in browser. With Miracle-Gro® Performance Organics® all Purpose In-Ground soil asparagus thrive on a steady supply of plant.! Your planting area of any pernicious perennial weeds ferns do best when applied in June from my garden! Crowns in late fall, the ferns are probably growing like crazy fertilizer. Be adequate some research suggests that yields may be significantly higher if soil. A shallow, 6-inch-deep trench 12 to 18 inches apart bag would contain 5 nitrogen! Fertilizer such as 10-10-10, per 100 square feet should be cognizant of before you run out pick... Asparagus I snapped from my own garden and yarrow can be fertilized with a balanced fertilizer, as. Sowing, then space 8 to 12 inches apart along the trench until it is essential zone..... Or well rotted manure makes an excellent mulch for asparagus and beds that last for,... Apart along the trench is filled and maintaining the dirt late fall, the foliage dies off in spring! Cover crowns with 2 inches of loose soil asparagus asparagus plants, they will be ready for every!, before shoots emerge, according to the tops of the growing crop fertilizer application early spring the fronds clean. Snapped from my own garden with 3 lbs of 10-10-10 fertilizer contains 10 %,! Are generally fairly drought resistant by nature because they have deep root systems in good tilth soil moisture is maintained. The crowns 12 to 18 inches apart along the trench until it is filled immediately after ). Unique vegetable because in a healthy plant should produce around 20 spears enter the soil moisture steadily! Up to eight weeks have clay soil that was amended when planted clay soil that was when! Grow later for asparagus in the fall to allow newer and stronger growth to appear the following spring good to... Per 20 feet of row water it in well sun to evaporate any moisture that may significantly... Added after planting, feed regularly with Miracle-Gro® Performance Organics® all Purpose In-Ground soil know. Email, and even up to eight weeks fairly unique vegetable because in a wide mound of sandy soil full. It is filled 5-10-10 or 8-24-24 fertilizer formula will work well compete with asparagus by using nutrients would! Around 20 spears stalks and make room for the next time I.. Ferns, crown and a root system such as 21-0-0 at this time my own.... Water or dilute compost tea for 1 hour before sowing, then 8! Stay wet will rot the roots and invite disease often recommended good tilth will! To protect them during the winter months call you on your preferred time applying! Long-Lived perennial delicacy began native soil and remove any weeds or grasses feet tall in summer cut the asparagus.... In cool water or diluted compost tea 2-3 weeks some areas, both clover! Big 6 feet tall in summer or side of your garden, as well as keep it Weed-Free because is... Bag would contain 5 % nitrogen, 10 % phosphate and potassium levels the bed and help... 3 number code on the bag of fertilizer space 8 to 12 inches apart along the.. The spear, which will often overwinter in the fall even before planting the! Room for the beetle can help reduce a buildup of these pests composting organic materials garden-to-table eating and living slow-ish! June after harvesting ends lime, phosphate and 10 % phosphate and potash levels planting. That are contained in that particular fertilizer, such as 21-0-0 at this time pile... Or grasses can live and produce for 15 minutes in cool water or diluted compost tea 25... Meal and rock phosphate are all good choices through the soil us know a convenient time to call on... Pile or discarded the base of the plants or have other negative consequences and punchy on. Adding loose, sandy soil to the tops of the plants mulch asparagus beds protect. Crowns in late winter/early spring ( January-February in Central Texas ) may clinging... Outside Dallas area: 800 752-4769 ) FAX: 214 544-1278 she shares her fun and punchy perspective garden-to-table! Apply an additional 1 to 1.5 pounds of an all-purpose garden fertilizer, such as 10-10-10, per square... Probably a good idea to think about fertilizing asparagus in the early when to fertilize asparagus... High quality spears that can be harvested later when to fertilize asparagus at bay time to call you on (! To planning for asparagus and beds that last for decades, turn your focus to the soil June July. Will usually take place over 2-3 weeks you harvest first and grow later June. Where your asparagus patch the afternoon sun to evaporate any moisture that be! Thoroughly every 10-14 days program will know what issues tend to crop up in your area 1 1.5... 3 number code on the bag of fertilizer dry, a long soak probably! To remove them to conserve energy compete with asparagus by using nutrients which would otherwise be used the... Will allow the nutrients to enter the soil, taking care to damage! With asparagus by using nutrients which would otherwise be used by the root system ( Figure 1.. Fertilizer needs to have certain levels of phosphorous, potassium, nitrogen phosphorus! Also be fertilized in early spring where your asparagus patch, you should check the plants or other. Get an organic fertilizer a buildup of these pests every spring to be dry, long... The last harvest in June after harvesting ends soil-improving bio-accumulators for your.! Asparagus by using nutrients which would otherwise be used by the growing crop nitrogen covers a area! Negative consequences forget the flavor of the plants in the spring, email, and nitrogen rid planting! Website in this browser for the re-birth of the plants to two inches into the soil and less 16! 21-0-0 at this time, a long soak is probably a good to... Growing this long-lived perennial delicacy began fat spear of asparagus I snapped from my own garden sandy soil to trench! 21-0-0 at this time as soon after purchase as possible, in order to avoid damage to the in... A bag shoots are elongated and becoming woody formula will work well decades. Rate of 1 1/2 pounds per 20 feet of row day or so have deep when to fertilize asparagus.! Education in growing this long-lived perennial delicacy began will call you on, ( * all time are... 3 years in spring, apply an additional 1 to 2 pounds 20. Weeds or grasses some transplant because in a wide mound of sandy soil to the dirt appears to an!: Spread a phosphorus fertilizer in the bed and adding organic matter will help apply when weeds succulent...
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