How To Plant Asparagus Root [ Full Guide ]

Asparagus is a perennial plant that can be grown from either seeds or roots, but planting asparagus roots, also known as crowns, is a popular method for establishing a productive asparagus patch. By following the proper planting techniques and caring for the asparagus patch, you can enjoy a bountiful harvest of these delicious and nutritious spears for years to come. In this comprehensive guide, we will explore the step-by-step process of planting asparagus roots, from selecting the right variety to preparing the soil and choosing the ideal planting site.

Quick Answer: How To Plant Asparagus Root

Before delving into the detailed process, let’s provide a quick overview of how to plant asparagus root.

  1. Choose the Right Variety: Select a suitable variety of asparagus for your climate and soil conditions.

  2. Prepare the Soil: Ensure the soil is well-drained, fertile, and free of weeds.

  3. Select the Ideal Planting Location: Choose a sunny location with good air circulation.

  4. Dig and Prepare the Planting Hole: Create trenches for planting the asparagus roots, ensuring proper spacing.

  5. Plant the Crowns: Position the asparagus roots in the trench and cover them with soil.

  6. Care and Maintenance: Water, mulch, and fertilize the plants as needed, and control weeds.

By following these steps and providing proper care, you can establish a thriving asparagus patch that will yield tasty spears for years to come.

Choosing The Right Asparagus Variety

Selecting the right variety of asparagus is crucial for successful cultivation. When planting asparagus roots, it’s essential to consider your climate, soil type, and intended use (whether for fresh consumption, freezing, or processing). Here are some popular asparagus varieties to consider:

  1. Mary Washington: This variety is well-suited for a wide range of climates and is known for producing thick, flavorful spears.

  2. Jersey Giant: With its high yield and excellent disease resistance, Jersey Giant is a popular choice among asparagus growers.

  3. Purple Passion: For a unique twist, consider planting Purple Passion, which yields vibrant, purple-colored spears with a slightly sweeter flavor.

  4. UC-157: This variety is favored by commercial growers for its uniform spears and high productivity.

  5. Atlas: Atlas is a good choice for regions with colder climates, as it is known for its cold tolerance.

When selecting an asparagus variety, it’s important to consider factors such as your local climate, average temperature, and soil conditions. Some varieties may perform better in warmer climates, while others are more resilient to cold temperatures. Additionally, consider the flavor and texture of the spears, as different varieties offer slight variations in taste and tenderness.

When purchasing asparagus roots, ensure that they are healthy, disease-free, and from a reputable source. This will help set the stage for a successful planting and a productive asparagus harvest in the future.

Preparing The Soil For Planting

Asparagus thrives in well-drained, fertile soil. Before planting the asparagus roots, it’s important to prepare the soil to create an optimal growing environment. Here’s how to prepare the soil for planting asparagus:

Soil Testing

Start by testing the soil to assess its pH and nutrient levels. Asparagus prefers a slightly acidic to neutral soil pH, ideally in the range of 6.0 to 7.0. A soil test will also provide insights into the soil’s nutrient content, allowing you to make any necessary amendments to ensure the asparagus plants have access to essential nutrients.

Contact your local agricultural extension office or a reputable garden center to obtain a soil testing kit. Follow the instructions provided with the kit to collect soil samples from the planting area. Once you have the results, you can adjust the soil pH and nutrient levels as needed.

Soil Amendments

After obtaining the soil test results, you may need to amend the soil to create an optimal growing environment for the asparagus. Common soil amendments for asparagus planting include:

  • Organic Matter: Incorporate well-rotted compost, aged manure, or other organic materials into the soil to improve its structure and fertility.

  • Balancing pH: If the soil pH is too low (acidic), you can raise it by incorporating ground agricultural limestone. Conversely, if the pH is too high (alkaline), you can lower it by adding elemental sulfur.

  • Fertilizers: Based on the soil test results, apply a balanced fertilizer or specific nutrients such as phosphorus (for root development) and potassium (for plant vigor). Follow the recommended application rates for the specific type of fertilizer you are using.

Soil Preparation

Before planting the asparagus roots, prepare the soil by clearing the area of any debris, rocks, and weeds. Use a garden fork or tiller to loosen the soil to a depth of approximately 12 to 18 inches, ensuring that it is well-drained and friable.

By taking the time to properly prepare the soil, you provide the foundation for healthy asparagus growth and abundant spear production.

Selecting The Ideal Planting Location

Choosing the right location for planting asparagus roots is critical for their long-term success. Asparagus is a perennial crop that can produce harvests for up to 20 years, so it’s essential to select a prime location that meets the following criteria:

  • Sunlight: Asparagus requires full sunlight to thrive. Choose a planting site that receives at least 6 to 8 hours of direct sunlight each day.

  • Air Circulation: Good air circulation helps prevent diseases such as rust and mold. Avoid planting asparagus in low-lying areas where air may become stagnant.

  • Drainage: Asparagus roots are susceptible to rot in waterlogged soil. Select a planting area with well-drained soil to prevent water accumulation around the roots.

  • Spacing: Asparagus plants require sufficient space for proper growth and development. Ensure that you have adequate room for the mature plants, typically 18 inches between individual plants and 4 to 5 feet between rows.

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By carefully evaluating the planting location based on these criteria, you can ensure that your asparagus patch has the best chance of thriving and producing an abundant harvest.

Tips For Digging And Preparing The Planting Hole

Once you have selected the ideal location and prepared the soil, it’s time to dig the trenches for planting the asparagus roots. Follow these steps to properly dig and prepare the planting hole for the asparagus crowns:

Digging Trenches

Asparagus is typically planted in trenches, commonly referred to as furrows, which provide a suitable environment for the development of the root system. Here’s how to dig and prepare the trenches for planting:

  1. Trench Depth: Dig trenches that are approximately 8 to 10 inches deep. The depth of the trenches is crucial for establishing the correct depth for planting the asparagus crowns.

  2. Trench Width: The width of the trenches will depend on the number of crowns you are planting and the desired spacing between the plants. Typically, the width of the trench can range from 12 to 18 inches.

  3. Spacing: Maintain a distance of 18 inches between each asparagus crown within the trench. This spacing allows the mature plants to develop without crowding each other.

Planting The Asparagus Crowns

With the trenches prepared, it’s time to plant the asparagus crowns. Follow these steps for proper planting:

  1. Positioning the Crowns: Place the asparagus crowns at the bottom of the trench, spreading the roots out gently. Ensure that the buds, also known as "eyes," are facing upward.

  2. Covering the Crowns: Gradually cover the crowns with 2 to 3 inches of soil, leaving the remaining depth of the trench for gradually filling in as the plants grow.

  3. Spacing: Maintain the recommended spacing of 18 inches between each crown, allowing ample room for the plants to develop without overcrowding.

By following these guidelines for digging and preparing the planting holes, you will establish an optimal environment for the asparagus roots to take root and begin their growth.

Planting asparagus roots is a rewarding endeavor that can yield delicious spears for years to come. By carefully selecting the right variety, preparing the soil, choosing the ideal location, and properly planting the crowns, you can establish a thriving asparagus patch that will provide a bountiful harvest.

In addition to the planting process, it's essential to provide ongoing care and maintenance for the asparagus plants, including watering, mulching, fertilizing, and weed control. With proper attention, your asparagus patch can become a reliable source of fresh, flavorful spears that can be enjoyed in a variety of culinary dishes.

As you embark on your asparagus planting journey, remember that patience is key, as asparagus plants typically take a couple of years to reach full production. However, the wait is well worth it, as a mature asparagus patch can continue to yield abundant harvests for many years, making it a valuable addition to any home garden or small-scale farm.

Preparing Asparagus Roots For Planting

Asparagus is a versatile and nutritious vegetable that can be grown easily in home gardens. While it takes some patience to establish, once established, asparagus plants can produce for up to 20 years. The key to a successful asparagus harvest starts with planting the root or crown correctly.

  1. Choose high-quality roots: Select healthy, one-year-old asparagus roots from a reputable nursery or garden center. Look for firm roots with well-developed buds. Avoid roots that are mushy or exhibit signs of disease.

  2. Soak the roots: Before planting, it is a good idea to soak the roots in water for about 2 hours. This will help rehydrate the roots and stimulate growth.

  3. Prepare the planting area: Asparagus prefers loose, well-draining soil with a pH level between 6.0 and 7.0. Choose a sunny location in your garden that receives at least 6 hours of direct sunlight each day. Clear the area of any weeds or grass and loosen the soil to a depth of about 12 inches.

Guidelines For Planting Depth And Spacing

  1. Dig trenches: Asparagus roots should be planted in trenches rather than holes to allow for easy development of the crown and ample space for the emerging spears. Dig trenches that are approximately 8 to 10 inches deep and about 12 to 18 inches wide.

  2. Space the trenches: Leave about 3 to 4 feet of space between each trench to allow enough room for the asparagus plants to spread as they grow.

  3. ** Amend the soil**: To improve the soil’s fertility and drainage, mix in compost or well-rotted manure into the bottom of each trench. This will provide the asparagus with the necessary nutrients for healthy growth.

  4. Planting depth: Place the soaked asparagus roots into the trench, spreading the roots out evenly. It is crucial to note that the planting depth varies depending on your climate. In colder regions, plant the roots about 6 to 8 inches deep. In milder climates, plant them about 3 to 4 inches deep. Cover the roots with a layer of soil, leaving the tops exposed.

  5. Spacing: Space the roots about 12 to 18 inches apart within the trench. This will allow the plants enough room to grow and produce spears without overcrowding.

  6. Backfill the trench: Gently backfill the trench with soil, ensuring that the roots are well-covered but the crown is still exposed. Take care not to bury the crown, as it can lead to rot.

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Watering And Fertilizing For Optimal Growth

  1. Watering: Asparagus plants require consistent moisture, especially during the first year of growth. Water the newly planted roots thoroughly after planting to help them settle into the soil. Moving forward, provide approximately 1 inch of water per week to ensure the roots stay hydrated. Avoid overwatering, as it can lead to rot or disease.

  2. Fertilizing: Asparagus plants benefit from regular fertilization to promote healthy growth and maximize yields. Before planting, mix in a slow-release, balanced fertilizer into the soil to provide initial nutrients. In subsequent years, side-dress the plants with compost or well-rotted manure in early spring before spears emerge. This will provide a slow release of nutrients throughout the growing season.

Weed Control And Pest Management For Asparagus

  1. Weed control: Weed competition is a common challenge when growing asparagus. To control weeds, mulch the planting area with a layer of organic mulch, such as straw or wood chips. This will help suppress weed growth and conserve moisture in the soil. Regularly check for weeds and remove them promptly to prevent competition for nutrients.

  2. Pest management: Asparagus can be susceptible to certain pests, including asparagus beetles and slugs. Keep an eye out for signs of pest damage, such as chewed foliage or eggs on the plants. Handpick and destroy any pests you find. You can also use insecticidal soap or organic pesticides if necessary, following the instructions provided.

Growing asparagus from roots is a rewarding experience that can provide you with an abundance of delicious spears for many years. By following the steps outlined in this guide, you can ensure that your asparagus plants are properly prepared and planted for optimal growth. Remember to provide adequate water and nutrients, control weeds, and manage pests to maintain healthy plants. With some patience and care, you will be able to enjoy the fruits of your labor with a bountiful asparagus harvest.

Pruning And Maintenance Tips For Healthy Asparagus Plants

Asparagus is highly nutritious and packed with vitamins, minerals, and antioxidants. It can also be an easy vegetable to grow in your garden, provided that they are properly cared for. The first step in planting asparagus is to select a good location with well-draining soil, and to choose healthy root crowns.

Asparagus is a perennial plant, which means that it will continue to grow year after year if properly cared for. However, proper pruning is essential to maintaining healthy asparagus plants. In the first year of growth, you should not harvest any asparagus at all. Instead, allow the plant to grow and develop its roots. In the second year, you can harvest the asparagus for about two weeks, but only if the stalks are at least 7 inches tall. From the third year onwards, you can harvest the asparagus for up to 8 weeks.

Once you have harvested your asparagus, you should cut down the stalks when they turn yellow or brown. This is because the stalks will not grow back as strong if they are left on the plant. It is also important to remove any dead or yellow foliage from the plant to prevent the spread of disease.

Asparagus plants require plenty of water, especially during hot and dry weather. You should aim to give your plants at least an inch of water per week, either through rain or irrigation. Avoid overwatering your plants, however, as this can lead to root rot.

Another important aspect of caring for asparagus plants is fertilization. You should apply a balanced fertilizer in the early spring, just as the new shoots begin to emerge from the ground. Do not fertilize your plants after mid-summer, as this can stimulate late-season growth that is not as hardy.

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Harvesting And Storing Asparagus

One of the great things about growing asparagus is that it can be enjoyed fresh from the garden. Once you have harvested your asparagus, it is important to store it properly to maintain its flavor and freshness. Ideally, you should use your asparagus within a few hours of harvesting. If you cannot use it right away, you can store it in the refrigerator for up to five days.

To store asparagus, trim the ends of the stalks and place them in a jar or vase with about an inch of water. Cover the tops of the stalks with a plastic bag and store in the refrigerator. You can also blanch and freeze asparagus for later use. To do this, boil the asparagus for 2-3 minutes, then drain and cool in an ice bath. Once cooled, dry the asparagus and place it in a freezer-safe bag.

Common Mistakes To Avoid When Planting Asparagus

One of the most common mistakes people make when planting asparagus is crowding their plants. Asparagus needs space to grow, and if the plants are too close together, they will not produce as well. You should aim to plant your asparagus crowns about 18 inches apart in rows that are at least 5 feet apart.

Another mistake that people make is planting their asparagus in poorly drained soil. Asparagus roots can become waterlogged if the soil is too wet, which can lead to root rot and other diseases. If your soil is heavy or poorly drained, consider amending it with compost or sand to improve its drainage.

Finally, many people make the mistake of over-fertilizing their asparagus plants. While it is important to fertilize your plants in the early spring, too much fertilizer can lead to weak growth and disease. Stick to a balanced fertilizer and only apply it once per year.

Troubleshooting For Asparagus Planting Problems

If you encounter problems with your asparagus plants, there are several things you can do to troubleshoot the issue. One of the most common problems is asparagus beetle infestations. These beetles can defoliate your plants and reduce their yield. To control asparagus beetles, you can handpick them off the plant or use an organic insecticide.

Another problem that can occur is fusarium wilt, a fungal disease that affects the roots of the plant. Symptoms include yellowing foliage, stunted growth, and poor yield. To prevent fusarium wilt, make sure to sterilize your gardening tools and rotate your crops. If you suspect that your plants have fusarium wilt, dig them up and dispose of them to prevent the spread of the disease.

Finally, if your asparagus plants are not producing well, it may be due to improper care or planting conditions. Check to make sure that your plants are not overcrowded, have proper drainage, and are receiving enough water and fertilizer.


Planting asparagus root can be a rewarding and satisfying experience for any gardener. With the proper care and maintenance techniques, you can enjoy fresh asparagus for years to come. Remember to prune your plants regularly, harvest them at the proper time, and take steps to prevent pests and diseases. With a little bit of effort and attention to detail, you can grow healthy and delicious asparagus plants in your own backyard.


How Deep Should I Plant Asparagus Roots?

Asparagus roots should be planted around 6-8 inches deep in a trench or hole. Make sure to loosen the soil at the bottom to allow for proper root growth.

When Is The Best Time To Plant Asparagus Roots?

The best time to plant asparagus roots is in the early spring, as soon as the ground can be worked. This will allow the roots to establish well before the growing season begins.

What Is The Ideal Spacing For Planting Asparagus Roots?

Asparagus roots should be spaced 12-18 inches apart in rows, with 3-4 feet between rows. This allows for proper air circulation and room for the plants to grow and spread.

Do I Need To Prepare The Soil Before Planting Asparagus Roots?

Yes, it is important to prepare the soil by adding some compost or well-rotted manure to the planting area. This will provide nutrients and improve the soil structure, allowing for healthier root growth.

How Often Should I Water Asparagus Roots After Planting?

Asparagus roots should be watered thoroughly after planting and then monitored throughout the growing season. The soil should be kept consistently moist, but not waterlogged. During dry periods, more frequent watering may be necessary.