RHUBARB: Planting, Growing, Seeds, Freezing And Transplanting

RHUBARB

Bright red organic rhubarb stalks shooting from the vegetable garden.
Sticks of fresh rhubarb for sale at a fruit and vegetable market.

Rhubarb is a versatile and delicious plant that has been grown and enjoyed for centuries. It is a hardy perennial that produces large, tart stalks that are often used in pies, jams, and other desserts. Rhubarb is also a good source of vitamins and minerals, making it a nutritious addition to any diet.

Growing rhubarb is relatively easy, and it can be done in most climates. It is typically grown from seeds or by dividing established plants, and it requires well-draining soil and plenty of sun. Rhubarb can be harvested in the spring, and it will continue to produce throughout the growing season.

If you have an abundance of rhubarb, you may want to consider freezing it for later use. Rhubarb can be frozen either raw or cooked, and it will keep for up to a year in the freezer.

Transplanting rhubarb is also a common practice, especially if you are moving to a new location or want to divide an established plant. Rhubarb should be transplanted in the spring or fall, and it requires some care and attention to ensure that it establishes itself in its new location.

Whether you are a seasoned gardener or a beginner, growing and enjoying rhubarb is a fun and rewarding experience. With a little bit of knowledge and some patience, you can enjoy the delicious taste and health benefits of this wonderful plant.

How To Grow Rhubarb

A side-view shot of a young grandson helping with watering the plants.

Growing rhubarb is relatively easy and straightforward. Here are the steps to follow:

1. Choose a good location: Rhubarb grows best in a sunny location with well-drained soil. It prefers slightly acidic soil with a pH between 6.0 and 6.8.

2. Planting: Plant rhubarb crowns (the root and stem portion) in the spring or fall. Make sure the soil is well-prepared by adding compost or well-rotted manure to the soil before planting. Space the crowns about 3 to 4 feet apart.

3. Watering: Rhubarb needs consistent moisture, especially during hot and dry weather. Water the plants deeply once a week, or more frequently if the soil is dry.

4. Fertilizing: Fertilize the plants once a year in early spring with a balanced fertilizer, such as a 10-10-10.

5. Mulching: Apply a layer of mulch around the plants to help conserve moisture and suppress weeds.

6. Harvesting: Wait until the second year after planting to begin harvesting rhubarb. Cut the stalks off at the base with a sharp knife, but leave at least 2 to 3 stalks on the plant to continue growing.

7. Maintenance: Remove any dead or damaged leaves as they appear, and cut back the flowering stems to promote leaf growth.

** With proper care, rhubarb can produce for many years, providing a delicious addition to pies, jams, and other culinary delights.

RHUBARB SEEDS

Rhubarb Flower seed
  • Rhubarb is typically propagated through crowns, which are sections of the plant’s root system. However, it is also possible to grow rhubarb from seeds. Here is a step-by-step process for growing rhubarb from seeds:
  • Obtain rhubarb seeds: Rhubarb seeds can be obtained from a reputable seed supplier or by collecting them from existing plants. Allow the plants to flower and go to seed in late summer, then collect the seeds from the seed heads.
  • Prepare the soil: Rhubarb prefers well-draining, nutrient-rich soil. Prepare the soil by adding compost or well-rotted manure to the planting area. Rhubarb prefers a pH level of 6.0 to 6.8.
  • Start the seeds indoors: Rhubarb seeds can be started indoors in late winter or early spring, about 8 to 10 weeks before the last expected frost. Sow the seeds in individual containers, such as peat pots, filled with moistened potting soil. Plant the seeds about 1/4 inch deep, and keep the soil moist but not waterlogged.
  • Provide light and warmth: Rhubarb seeds require plenty of light to germinate, so place the containers in a sunny, warm location or under grow lights. The temperature should be around 65 to 75°F.
  • Thin and transplant: Once the seedlings have developed their first true leaves, thin them out to one per container. Continue to keep the soil moist, and fertilize the seedlings with a balanced fertilizer once a month. When the seedlings are about 6 to 8 inches tall and have developed a good root system, transplant them outdoors.
  • Harden off: Before transplanting the seedlings outdoors, they need to be hardened off to adjust to the outdoor environment. Start by placing the containers outside for a few hours each day, gradually increasing the amount of time they spend outdoors over a period of 7 to 10 days.
  • Transplant outdoors: Choose a location for the seedlings that is well-draining and receives full sun. Dig a hole large enough to accommodate the root system of the seedling, and plant it at the same depth as it was in its container. Space the seedlings at least 3 feet apart.
  • Water and fertilize: Water the seedlings deeply after transplanting, and continue to keep the soil moist throughout the growing season. Fertilize the plants with a balanced fertilizer every 4 to 6 weeks during the growing season.
  • Care and maintenance: Rhubarb is a hardy plant that requires little maintenance once established. Remove any flower stalks that appear, as they can reduce the plant’s vigor. Mulch around the base of the plants to retain moisture and suppress weeds.
  • Harvest: Rhubarb grown from seed can take up to three years to produce a significant harvest. When the stalks are about 10 to 12 inches long, pull them gently from the base of the plant. Do not harvest all the stalks at once, leave at least 2/3 of the plant for regrowth.

By following these steps, you can successfully grow rhubarb from seed and enjoy its delicious, tangy stalks for years to come.

RHUBARB FREEZING

Frozen rhubarb pieces on white background

Rhubarb is a popular springtime vegetable known for its tart flavor and bright red stalks. It’s often used in pies, jams, and other desserts. If you have an abundance of rhubarb, you may want to consider freezing it for later use. Here’s a quick guide on how to freeze rhubarb:

  1. Prepare the rhubarb by washing and trimming off the ends. Cut the stalks into pieces that are about 1 inch in length.
  1. Blanch the rhubarb by boiling it for about 1-2 minutes. This will help preserve the color and texture of the rhubarb. Drain the rhubarb and immediately plunge it into a bowl of ice water to stop the cooking process.
  1. Drain the rhubarb again and pat it dry with a clean towel or paper towel.
  1. Arrange the rhubarb pieces in a single layer on a baking sheet or tray lined with parchment paper. This will prevent the pieces from sticking together during freezing.
  1. Place the tray in the freezer and freeze the rhubarb until it’s completely frozen, which should take a few hours.
  1. Once the rhubarb is frozen, transfer the pieces to a resealable plastic bag or an airtight container. Label the container with the date and the contents.
  1. Return the container to the freezer and use the frozen rhubarb within 8-12 months for best quality.

When you’re ready to use the frozen rhubarb, you can simply take out the amount you need and thaw it in the refrigerator or at room temperature. You can use frozen rhubarb in the same way as fresh rhubarb, but keep in mind that it may be slightly softer than fresh rhubarb when cooked.

Freezing rhubarb is a great way to preserve this seasonal vegetable for later use. With these simple steps, you can enjoy the tangy taste of rhubarb all year round.

Rhubarb Transplanting

Woman volunteer working outdoors on a community farm, holding a rhubarb plant she has just harvested. The farm is sustainable and environmentally friendly in the North East of England.

Transplanting rhubarb can be a great way to refresh an old, overcrowded plant or move it to a new location. However, it is important to take the proper steps to ensure that the plant is transplanted successfully. Here is a step-by-step process for transplanting rhubarb:

Choose the right time:

The best time to transplant rhubarb is in the early spring or late fall when the plant is dormant. This will give the plant time to establish its root system before the growing season begins.

Prepare the new location:

Choose a new location for the plant that has well-draining soil, full sun exposure, and is free of weeds and other plants. Rhubarb prefers a pH level of 6.0 to 6.8, so if necessary, amend the soil with compost or other organic matter.

Prepare the plant:

 In the weeks leading up to the transplant, prepare the plant by cutting back the foliage and removing any dead or damaged leaves. This will help the plant conserve energy and focus on establishing its roots.

Dig up the plant:

Using a shovel or garden fork, dig around the base of the plant, about 12 inches from the crown. Lift the plant carefully, trying to preserve as much of the root system as possible. Shake off any excess soil.

Divide the plant:

If the plant is large and overcrowded, it may be a good idea to divide it before transplanting. To do this, carefully separate the plant into smaller sections, making sure that each section has at least one healthy crown and a good root system.

Prepare the new planting hole:

Dig a hole in the new location that is slightly larger than the root system of the plant. Make sure the hole is deep enough to accommodate the crown of the plant, but not so deep that the crown is buried.

Plant the rhubarb:

Place the plant in the new hole, making sure that the crown is level with the soil surface. Spread the roots out in all directions and backfill the hole with soil, firming it down gently as you go. Water the plant thoroughly to settle the soil.

Mulch the plant:

Apply a layer of mulch around the base of the plant to help retain moisture in the soil and suppress weeds. A layer of compost, straw, or leaves can be used.

Water and fertilize:

Water the plant regularly after transplanting, especially during dry periods. Fertilize the plant with a balanced fertilizer once a month during the growing season. Do not fertilize the plant during the first year after transplanting.

Monitor the plant:

Keep an eye on the plant after transplanting to make sure that it is establishing itself and not suffering from any transplant shock. Look for new growth and signs of health, such as firm, green stalks.

It is important to note that rhubarb can be a slow grower, so it may take several years after transplanting for the plant to reach its full potential. However, with proper care and maintenance, the plant can produce a bountiful harvest for many years to come.

In summary, transplanting rhubarb involves preparing the plant and the new location, digging up the plant, dividing it if necessary, and planting it in the new location. The plant should be monitored and cared for carefully after transplanting to ensure its successful establishment. With these steps, you can successfully transplant rhubarb and enjoy its delicious, tangy stalks for years to come

Leave a comment