Rhubarb Forcer: How to Grow Massive Rhubarb

Introduction

Rhubarb is a beloved perennial plant known for its tart flavor and versatility in cooking, particularly in pies, jams, and desserts. While rhubarb is relatively easy to grow, using a rhubarb forcer can help you grow larger, sweeter, and more tender stalks. Forcing rhubarb is an age-old gardening technique that not only speeds up growth but also improves its flavor and texture. Whether you’re a seasoned gardener or a beginner, this guide will walk you through the process of using a rhubarb forcer to cultivate massive rhubarb plants.

Why Use a Rhubarb Forcer?

Using a rhubarb forcer has several advantages:

• Larger Stalks: Encourages rapid growth, resulting in longer and thicker stems.
• Sweeter Flavor: Reduces the tartness, producing sweeter and more tender stalks.
• Early Harvest: Extends the rhubarb season by allowing you to harvest weeks earlier.
• Aesthetic Appeal: Adds a traditional and functional element to your garden.

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1. What is a Rhubarb Forcer?

A rhubarb forcer is a large, bell-shaped container traditionally made of terracotta, although modern versions can be found in plastic or metal.

Key Features of a Rhubarb Forcer:

• Blocks light to encourage the plant to grow taller in search of sunlight.
• Traps heat to promote faster growth.
• Often comes with a removable lid for easy access to the plant.

2. Choosing the Right Rhubarb Varieties for Forcing

Not all rhubarb varieties are ideal for forcing. Here are some top choices:

1. Timperley Early:

• Early cropping and excellent for forcing.
• Produces sweet and tender stalks.

2. Victoria:

• A traditional variety with thick, greenish-pink stalks.
• Ideal for both forced and natural growth.

3. Champagne:

• Known for its vibrant pink stalks and delicate flavor.
• A favorite for forcing due to its rapid growth.

4. Stockbridge Arrow:

• Produces long, slender stems.
• Perfect for early forcing and heavy yields.

3. When to Use a Rhubarb Forcer

Timing is crucial for successful rhubarb forcing:

1. Late Winter to Early Spring:

• Place the forcer over the plant in late winter (February or March) to encourage early growth.

2. After the Plant is Established:

• Force rhubarb only from mature plants that are at least two years old. Forcing immature plants can weaken them.

4. How to Use a Rhubarb Forcer

Step 1: Prepare the Plant

• Clear away dead leaves and debris around the rhubarb crown.

Step 2: Position the Forcer

• Place the forcer over the crown, ensuring it covers the entire plant.

Step 3: Seal the Lid

• If your forcer has a lid, seal it to block out light completely.

Step 4: Monitor Growth

• Check every few weeks for signs of growth. Forced rhubarb stalks are usually ready for harvest within 6–8 weeks.

Step 5: Harvest Carefully

• Gently pull the stalks from the base; avoid cutting to encourage new growth.

5. Caring for Rhubarb After Forcing

Forcing can exhaust the plant, so proper aftercare is essential:

1. Rest the Plant:

• Avoid forcing the same plant two years in a row. Allow it to recover naturally for a season.

2. Fertilize:

• Feed with a high-potassium fertilizer to replenish nutrients.

3. Water Regularly:

• Keep the soil moist but not waterlogged.

4. Remove Old Stalks:

• Cut back any remaining stems in late autumn to prepare the plant for winter dormancy.

6. Tips for Growing Massive Rhubarb

1. Choose a Sunny Location:

• Rhubarb thrives in full sun or partial shade with well-draining soil.

2. Enrich the Soil:

• Add plenty of organic matter, such as compost or well-rotted manure, to encourage strong growth.

3. Space the Plants:

• Leave at least 3 feet between plants to allow room for spreading.

4. Water Consistently:

• Provide regular watering, especially during dry spells.

5. Avoid Overharvesting:

• Harvest sparingly to allow the plant to build reserves for the next season.

7. Common Problems and Solutions

1. Weak Growth:

• Issue: Poor soil or overcrowding.
• Solution: Enrich the soil with organic matter and space plants adequately.

2. Bolting (Flowering):

• Issue: Stress caused by heat or poor conditions.
• Solution: Remove flower stalks immediately and ensure consistent watering.

3. Pest Damage:

• Issue: Slugs or snails eating young leaves.
• Solution: Use organic slug deterrents like copper tape or diatomaceous earth.

4. Crown Rot:

• Issue: Waterlogged soil or fungal infections.
• Solution: Improve drainage and remove affected parts of the plant.

Conclusion

Using a rhubarb forcer is a fantastic way to grow massive, sweet, and tender rhubarb stalks that are perfect for culinary use. By choosing the right variety, timing the forcing process carefully, and providing excellent aftercare, you can enjoy an early and abundant rhubarb harvest. Whether you’re an experienced gardener or a beginner, forcing rhubarb is an exciting and rewarding technique that adds a touch of tradition to your gardening routine.

Top 10 Questions and Answers

1. What is a rhubarb forcer?
A rhubarb forcer is a bell-shaped container that blocks light and traps heat, encouraging the plant to grow taller and sweeter stalks.

2. When should I use a rhubarb forcer?
Use a forcer in late winter or early spring, typically February or March.

3. Can I force rhubarb every year?
No, allow the plant to recover naturally for at least one year before forcing again.

4. How long does it take to force rhubarb?
It typically takes 6–8 weeks for forced rhubarb to be ready for harvest.

5. Do I need a terracotta forcer?
While traditional forcers are made of terracotta, you can also use plastic buckets or other light-blocking containers.

6. Can I force rhubarb indoors?
Yes, dig up a rhubarb crown in winter and pot it indoors in a dark, cool space for forcing.

7. What varieties of rhubarb are best for forcing?
Timperley Early, Victoria, Champagne, and Stockbridge Arrow are excellent choices.

8. Does forcing rhubarb affect the plant?
Yes, it can exhaust the plant, so avoid forcing immature plants or forcing the same plant consecutively.

9. How do I care for rhubarb after forcing?
Feed the plant with a high-potassium fertilizer and avoid harvesting for the rest of the season.

10. Can I force rhubarb without a forcer?
Yes, you can use a large bucket, pot, or even an upturned bin to achieve similar results.

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