How To Plant Sunchoke [ Full Guide ]

Sunchoke, also known as Jerusalem artichoke, is a close relative of the sunflower and is primarily grown for its edible tubers. These knobby, somewhat knobbly-looking tubers are a great addition to any garden, as they are not only delicious but also packed with nutrients. Planting sunchokes is a relatively easy process, and with the right conditions, they can produce a bountiful harvest.

Quick Answer: How To Plant Sunchoke

To plant sunchokes, choose a sunny location with well-draining soil. Till the soil to a depth of 8-10 inches and plant the tubers 3-5 inches deep and 12-24 inches apart. Water the area well and keep the soil consistently moist. Sunchokes will develop tall stalks with sunflower-like yellow blooms in the late summer, and you can harvest the tubers in the fall.

What Are Sunchokes

Sunchokes (Helianthus tuberosus) are a perennial vegetable that is native to North America. They are part of the sunflower family and are grown for their edible tubers, which have a slightly sweet, nutty flavor. The tubers are often likened to potatoes, but with a firmer, crunchier texture.

The plant itself can grow to be quite tall, reaching heights of 6-10 feet, and produces bright yellow, sunflower-like blooms in late summer. Sunchokes are not only a tasty addition to the vegetable garden but also a beautiful ornamental plant.

Benefits Of Growing Sunchokes

There are several benefits to growing sunchokes, making them an attractive addition to any garden:

  1. Nutritional Value: Sunchokes are a good source of potassium, iron, and fiber. They also contain inulin, a type of carbohydrate that serves as a prebiotic, promoting the growth of beneficial bacteria in the gut.

  2. Easy to Grow: Sunchokes are relatively low-maintenance and can thrive in a variety of soil types. Once established, they can produce a plentiful crop with minimal effort.

  3. Versatility: The tubers can be used in a variety of culinary dishes, such as soups, stews, and stir-fries. They can be eaten raw or cooked, and their unique flavor adds depth to many recipes.

  4. Ornamental Value: The tall, sunflower-like stalks and bright yellow blooms make sunchokes an attractive addition to the landscape.

Choosing The Right Location For Planting Sunchokes

Choosing the right location for planting sunchokes is crucial to their success. Here are some key factors to consider:

  1. Sunlight: Sunchokes thrive in full sun, so choose a location that receives at least 6-8 hours of direct sunlight per day.

  2. Soil Type: Sunchokes prefer well-draining, loamy soil. While they can tolerate a range of soil types, they perform best in fertile, slightly acidic soil.

  3. Space: Sunchokes can spread vigorously, so it’s important to give them plenty of space to grow. Choose a spot with ample room for the plants to spread without encroaching on other crops.

  4. Protection from Wind: While sunchokes are relatively sturdy, strong winds can damage their tall stalks. If possible, choose a location that provides some protection from gusty winds.

Preparing The Soil For Sunchokes

Before planting sunchokes, it’s essential to prepare the soil to create the ideal growing environment for these hardy vegetables. Follow these steps to ensure your sunchokes have the best chance of thriving:

Step 1: Clear The Area

Clear the chosen planting area of any weeds, rocks, or debris. This will give the sunchokes room to grow without competition from other plants.

Step 2: Till The Soil

Using a garden tiller or a spade, work the soil to a depth of 8-10 inches. This will loosen the soil, improve aeration, and create a better environment for the sunchokes’ root development.

Step 3: Amend The Soil

If the soil is poor in quality, you may need to amend it with organic matter such as compost or well-rotted manure. This will add nutrients and improve the soil structure.

Step 4: Test The Soil Ph

Test the soil pH to ensure it falls within the ideal range for sunchokes, which is slightly acidic to neutral (pH 6.0-7.0). If the pH is too low or too high, you can adjust it by adding lime to raise the pH or sulfur to lower it.

Step 5: Planting Depth And Spacing

When planting the tubers, place them 3-5 inches deep and space them 12-24 inches apart. Planting them at the proper depth and spacing will give the tubers room to grow and prevent overcrowding.

Step 6: Watering

After planting, water the area thoroughly to settle the soil around the tubers. Sunchokes prefer consistent moisture, so ensure the soil remains evenly moist throughout the growing season.

Step 7: Mulching

Mulch the planting area with a layer of organic mulch, such as straw or wood chips, to help retain soil moisture and suppress weed growth.

Step 8: Supporting The Stalks

As the sunchokes grow, they may require support to prevent bending or breaking from strong winds. Consider staking the taller plants to provide support.

Planting sunchokes can be a rewarding endeavor, yielding a bountiful harvest of nutritious, flavorful tubers. By choosing the right location, preparing the soil properly, and providing the necessary care, you can enjoy the benefits of growing sunchokes in your own garden. Whether you’re a novice gardener or an experienced horticulturist, sunchokes are a valuable addition to any vegetable garden, offering both culinary and ornamental appeal. With proper planting and care, you can enjoy a plentiful supply of these unique, versatile vegetables year after year.

Methods Of Planting Sunchokes

Sunchoke, also known as Jerusalem artichoke, is a versatile and nutritious tuber closely related to the sunflower. It is native to North America and has been grown for centuries for its edible tubers. Sunchokes are easy to grow and can be a valuable addition to any garden. They are rich in fiber, vitamin C, and potassium, making them a healthy choice for your diet.

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Choosing A Location

Before planting sunchokes, it’s important to choose the right location. Sunchokes thrive in full sun but can tolerate partial shade. They prefer loose, well-draining soil that is rich in organic matter. Avoid heavy clay soils, as they can cause tuber rot.

Planting Time And Preparation

Sunchokes are typically planted in the spring, after the danger of frost has passed. Before planting, prepare the soil by removing any weeds or debris. Loosen the soil to a depth of about 8-10 inches and add compost or well-rotted manure to improve fertility. This will ensure that the tubers have enough space to develop.

Planting Methods

There are two main methods of planting sunchokes: planting tubers and planting rhizomes.

  1. Planting Tubers: This method involves planting sunchoke tubers, which are the mature storage roots of the plant. Tubers can be purchased from a garden center or obtained from a mature sunchoke plant. To plant tubers, follow these steps:
  • Dig a hole that is about 4-6 inches deep.
  • Place the tuber in the hole with the sprouting end facing upwards.
  • Cover the tuber with soil, ensuring that it is completely buried.
  • Space the tubers about 12-18 inches apart to allow for growth.
  1. Planting Rhizomes: Rhizomes are the underground stems of the sunchoke plant. This method involves planting sections of rhizomes, which can be divided from a mature sunchoke plant. Here’s how to plant sunchokes using rhizomes:
  • Dig a trench that is about 4-6 inches deep.
  • Place the rhizome sections in the trench, spacing them about 12-18 inches apart.
  • Cover the rhizomes with soil, ensuring that they are completely buried.
  • Water the area thoroughly after planting to settle the soil.

Both methods can be effective, but planting tubers is generally more common and easier for beginners. Whichever method you choose, make sure the planting depth is appropriate to ensure successful growth.

Tips For Successfully Growing Sunchokes

To ensure the successful growth of your sunchoke plants, consider the following tips:


Sunchokes require regular watering, especially during dry periods. Keep the soil moist, but avoid overwatering, as excessive moisture can lead to rotting of the tubers. Water deeply and infrequently, providing about 1-2 inches of water per week. Mulching around the plants can help retain moisture and suppress weed growth.


Sunchokes are not heavy feeders, but they can benefit from the addition of organic matter. Before planting, incorporate compost or well-rotted manure into the soil. This will provide essential nutrients for the plants. Avoid over-fertilizing with nitrogen-rich fertilizers, as it can promote excessive foliage growth at the expense of tuber production.


As sunchoke plants can grow quite tall (up to 10 feet), consider providing support to prevent them from flopping over. You can use stakes or trellises to support the plants, particularly in windy areas.

Weed Control

Weed competition can hinder the growth of sunchokes. Regularly inspect your plants and remove any weeds that emerge. Applying a layer of mulch around the plants can help suppress weed growth and conserve soil moisture.

Controlling Spread

Sunchokes have a tendency to spread vigorously, sometimes becoming invasive. To control their spread, consider growing them in containers, using root barriers, or planting them in dedicated beds. Regularly inspect the area around your sunchoke plants and remove any errant rhizomes to prevent them from establishing in unwanted areas.

Crop Rotation

To minimize the risk of diseases and pests, practice crop rotation by not planting sunchokes in the same location year after year. Rotate the planting area to a different part of the garden, preferably where a different crop was grown the previous season.

Maintaining And Caring For Sunchokes


Pruning sunchoke plants is not necessary for their growth and development. However, if you wish to manage their size or prevent them from spreading too aggressively, you can cut back the foliage in late summer or early fall. This will divert energy to the tubers and facilitate easier harvesting.

Disease And Pest Control

While sunchokes are relatively resilient, they can still be susceptible to certain pests and diseases. The most common pests that can affect sunchokes include aphids, slugs, snails, and rodents. Regularly inspect your plants for signs of infestation and take appropriate measures to control them.

The most common diseases of sunchokes include powdery mildew, bacterial rot, and fungal infections. To prevent the spread of diseases, ensure good air circulation around your plants by spacing them properly and removing any infected plant material promptly.


Mulching around your sunchoke plants can provide various benefits. It helps conserve moisture, suppress weed growth, and regulate soil temperature. Apply a layer of organic mulch, such as straw or wood chips, around the base of the plants, taking care not to cover the sprouting foliage.


As sunchoke plants grow tall and can become top-heavy, staking can help provide support and prevent them from bending or breaking. Stake the plants with bamboo poles or other suitable materials, ensuring that they are firmly secured.

Harvesting And Storing Sunchokes

Harvesting Time

Sunchokes can be harvested when the foliage starts to die back in late fall or winter. The tubers should be firm and have reached their maximum size. Gently dig around the plants to expose the tubers without damaging them.

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Harvesting Method

To harvest sunchokes, follow these steps:

  1. Gently loosen the soil around the base of the plants.
  2. Carefully lift the tubers out of the ground using a garden fork or spade.
  3. Shake off excess soil and remove any damaged or diseased tubers.
  4. Leave the tubers to dry in a cool, dry, and well-ventilated area for a few days.

Storing Sunchokes

Freshly harvested sunchokes can be stored for several weeks in a cool and dry location. They can be stored in a root cellar, garage, or refrigerator. If storing for an extended period, consider placing them in a container with moist sand or peat moss to retain their moisture.

Common Pests And Diseases Of Sunchokes


  1. Aphids: These small insects suck sap from the plants, causing stunted growth and distorted leaves. Use insecticidal soaps or neem oil, or manually remove them by spraying with a strong stream of water.

  2. Slugs and Snails: These pests feed on the foliage and tuber, leaving behind chewed leaves and slime trails. Use slug and snail baits or barriers to deter them.

  3. Rodents: Rodents, such as voles and gophers, can damage the tubers by gnawing on them. Use burrow barriers or traps to control their population.


  1. Powdery Mildew: Powdery mildew appears as a white, powdery coating on the foliage. Provide good air circulation and avoid overwatering to prevent its occurrence. Apply fungicides if necessary.

  2. Bacterial Rot: Bacterial rot can cause the tubers to develop soft spots with a foul odor. Practice good sanitation and remove any infected tubers immediately.

  3. Fungal Infections: Various fungal infections can affect sunchokes, causing wilting, yellowing, and rotting of the foliage. Use fungicides and remove infected foliage to prevent the spread of the disease.

Planting and growing sunchokes can be a rewarding experience for any gardener. By choosing the right planting method, providing proper care, and taking preventative measures against pests and diseases, you can enjoy a bountiful harvest of these nutritious tubers. Remember to harvest them at the right time and store them properly to ensure their longevity. With a little effort, you can successfully grow and enjoy this unique and versatile vegetable in your garden or home.

Companion Planting With Sunchokes

Sunchokes, also known as Jerusalem artichokes, are a versatile and nutritious vegetable that can be grown in your own backyard. They are not actually artichokes but are a type of sunflower with edible tubers. Sunchokes have a sweet, nutty flavor and can be eaten raw or cooked. They are rich in vitamins and minerals, making them a healthy addition to any meal.

Companion planting is the practice of planting different crops together to maximize their growth and productivity. When it comes to planting sunchokes, there are a few companion plants that can help to improve the overall health of the sunchoke plants.

1. Beans: Beans are excellent companions for sunchokes because they add nitrogen to the soil. Sunchokes require sufficient nitrogen for optimal growth, so planting beans nearby can help provide this essential nutrient. Additionally, the tall bean plants can provide shade for the sunchokes during the hottest parts of the day.

2. Radishes: Radishes are beneficial companions for sunchokes because they help deter pests such as aphids and cucumber beetles. The strong scent of radishes repels these pests, protecting your sunchoke plants from potential damage. Plant radishes in between rows of sunchokes for the best results.

3. Marigolds: Marigolds are commonly used in companion planting to repel insects. They release a scent that wards off pests like nematodes and beetles, which can damage sunchoke plants. Plant marigolds around the borders of your sunchoke garden or even interspersed among the plants to create a protective barrier.

By incorporating these companion plants in your garden, you can create a beneficial environment for your sunchokes and help them thrive.

Cooking And Eating Sunchokes

Sunchokes can be enjoyed in a variety of ways, both raw and cooked. They have a unique texture and taste that can add depth to your culinary creations.

1. Raw: Sunchokes can be sliced or grated and enjoyed raw in salads or as a crunchy, flavorful addition to other dishes. Their mild, slightly sweet flavor adds a refreshing twist to salads and slaws.

2. Roasted: Roasting sunchokes brings out their natural sweetness and enhances their flavor. Cut the tubers into bite-sized pieces, toss them in olive oil, and season with salt and pepper. Roast them in the oven at 400°F (200°C) for about 25-30 minutes until they are golden and tender. Roasted sunchokes make a delicious side dish or a tasty addition to roasted vegetable medleys.

3. Mashed: Sunchokes can also be boiled and mashed, similar to potatoes. Peel and chop the tubers, then boil them in a pot of salted water until tender. Drain the water and mash the sunchokes, just like you would with potatoes. Add butter, salt, and pepper to taste for a flavorful and creamy alternative to traditional mashed potatoes.

4. Soups and Stews: Sunchokes can be used to add a unique flavor and texture to soups and stews. Simply chop the tubers and add them to your favorite recipes. They will add a rich, nutty taste and a subtle sweetness to the dish.

5. Pickled: Sunchokes can also be pickled for preservation. Slice the tubers into thin rounds, then pack them into sterilized jars. Prepare a pickling brine using vinegar, water, salt, sugar, and your choice of herbs and spices. Pour the brine over the sliced sunchokes, leaving about half an inch of headspace. Seal the jars and store them in a cool, dark place for at least a week before consuming. Pickled sunchokes can be enjoyed as a tangy snack or used as a flavorful addition to salads and sandwiches.

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Explore these various cooking methods to discover your favorite way of preparing and enjoying sunchokes.

Additional Uses For Sunchokes

Apart from their culinary uses, sunchokes have additional benefits and can be utilized in various ways.

1. Animal Feed: If you have farm animals such as pigs, goats, or chickens, you can feed sunchokes to them. Animals love the taste of sunchokes, and they provide a healthy and nutritious alternative to traditional feeds.

2. Soil Improvement: Sunchokes have deep root systems that help break up compacted soil and improve its structure. The tubers also act as natural compost when left in the ground and can enrich the soil with organic matter.

3. Ornamental Plant: Sunchokes have beautiful yellow flowers that resemble small sunflowers. They can add an aesthetic appeal to your garden and attract pollinators such as bees and butterflies.

4. Natural Privacy Screen: Sunchokes can grow up to 10 feet tall and have dense foliage, making them an excellent natural privacy screen or windbreak for your garden.

Utilize these additional uses to make the most of your sunchoke plants and enjoy their benefits beyond the kitchen.

Troubleshooting Common Issues With Sunchokes

Like any plant, sunchokes can face certain issues. Here are some common problems you may encounter when growing sunchokes and how to troubleshoot them:

1. Overcrowding: Sunchokes can spread rapidly and become overcrowded if not managed properly. This can result in smaller tubers and reduced overall yield. Thin out overcrowded plants by removing excess shoots and tubers, leaving only a manageable number of healthy plants.

2. Pests: While sunchokes are relatively pest-resistant, they can still be vulnerable to certain insects. Aphids, cucumber beetles, and nematodes can occasionally be a problem. However, planting companion plants like radishes and marigolds can help deter these pests. Additionally, maintaining healthy soil and providing adequate care for your plants will make them more resilient to pest infestations.

3. Diseases: Sunchokes can be susceptible to fungal diseases such as powdery mildew and gray mold, especially in humid conditions. To prevent these diseases, ensure proper air circulation by spacing your plants adequately. Remove any infected leaves or plants to prevent the spread of the disease. Also, avoid excessive watering, as overly wet soil can contribute to fungal growth.

4. Harsh Climate Conditions: Sunchokes are generally hardy plants, but extreme heat or cold can affect their growth and tuber development. If you live in an area with hot summers, consider providing shade or mulching to keep the soil cooler. In colder regions, provide a thick layer of mulch to protect the tubers from freezing temperatures.

By being proactive and implementing proper care and prevention methods, you can address and mitigate these common issues that may arise with your sunchokes.


Planting and growing sunchokes in your garden can provide you with a delicious and nutritious vegetable that can be enjoyed in various ways. By understanding companion planting, you can maximize the growth and health of your sunchoke plants. Cooking and eating sunchokes offer a range of flavors and textures, from raw in salads to roasted or mashed as a side dish. Additionally, sunchokes have other uses such as animal feed, soil improvement, ornamental value, and even natural privacy screens. Lastly, being aware of common issues and troubleshooting methods will help you maintain healthy plants and ensure a successful sunchoke harvest. With this comprehensive guide, you can confidently grow, cook, and enjoy the many benefits of sunchokes.


What Are Sunchoke Tubers And How Do They Differ From Regular Potatoes?

Sunchoke tubers are the edible root of the sunchoke plant, also known as Jerusalem artichoke. Unlike regular potatoes, they are elongated and knobby in appearance, similar to ginger.

When Is The Best Time To Plant Sunchoke Tubers?

Sunchoke tubers should be planted in early spring, after all danger of frost has passed. They can also be planted in the fall for a late winter or early spring harvest.

Where Should Sunchoke Tubers Be Planted?

Sunchoke tubers should be planted in a sunny location with well-drained soil. They can also be planted in containers filled with potting mix.

How Far Apart Should I Plant Sunchoke Tubers?

Sunchoke tubers should be planted 12-18 inches apart, with rows spaced 3 feet apart. This will allow enough room for the plants to grow and spread.

How Do I Care For Sunchoke Plants Once They Are Planted?

Sunchoke plants require minimal care. Keep the soil consistently moist, but not waterlogged. As the plants grow, mound soil or mulch around the stems to support them. Harvest the tubers in the fall after the foliage dies back.