How to Grow Rhubarb in January: Tips, Advice, and Best Varieties

Introduction
Rhubarb (Rheum rhabarbarum) is a hardy perennial vegetable loved for its tart, vibrant stalks that make delicious pies, crumbles, and jams. Known for its ease of cultivation and longevity, rhubarb is an excellent addition to any garden. January is the perfect time to plant dormant bare-root rhubarb crowns, allowing them to establish before spring. This guide provides all the information you need to grow rhubarb successfully, including the best varieties, step-by-step planting instructions, and answers to common questions.

Why Grow Rhubarb in January?

Growing rhubarb in January offers several benefits:

• Dormant Planting: Planting crowns during dormancy ensures they establish well before the growing season.
• Cold Tolerance: Rhubarb thrives in cool climates and tolerates frost, making it ideal for January planting.
• Long-Lived Crop: Once established, rhubarb produces stalks for up to 10 years or more with minimal care.
• Nutritional Value: Rhubarb is rich in vitamins C and K, as well as antioxidants and dietary fiber.

Best Rhubarb Varieties to Grow in January

Choose varieties suited to your taste and growing conditions:

Early Varieties

1. ‘Timperley Early’ – One of the earliest varieties, producing tender, red stalks perfect for forcing.
2. ‘Prince Albert’ – An old favorite with long, pale green stalks and excellent flavor.

Mid-Season Varieties

1. ‘Victoria’ – A classic variety with thick, red-green stalks and a tangy flavor.
2. ‘Glaskins Perpetual’ – A reliable variety that produces sweet stalks throughout the season.

Late Varieties

1. ‘Raspberry Red’ – Produces bright red stalks with a mild, sweet flavor late in the season.
2. ‘Livingstone’ – A unique variety that extends the rhubarb season into autumn.

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How to Grow Rhubarb in January: Tips, Advice, and Best Varieties

Step-by-Step Guide to Growing Rhubarb in January

1. Choose the Right Growing Location

• Rhubarb thrives in full sun but can tolerate partial shade.
• Select a spot with rich, well-drained soil and good air circulation.

2. Prepare the Soil

• Remove weeds and enrich the soil with well-rotted manure or compost to provide essential nutrients.
• Rhubarb prefers slightly acidic to neutral soil (pH 6.0–7.0).

3. Planting Bare-Root Rhubarb Crowns

• Timing: Plant rhubarb crowns in January while they are dormant.
• Depth: Dig a hole deep enough to accommodate the roots and plant the crown so the top sits just above soil level.
• Spacing: Space crowns 90cm–1.2m (3–4 feet) apart to allow for their large mature size.

4. Watering and Mulching

• Water thoroughly after planting to settle the soil around the roots.
• Apply a thick layer of mulch, such as straw or well-rotted manure, to retain moisture and suppress weeds.

5. Forcing Rhubarb for Early Harvests

• Cover crowns with a large pot or forcing jar in late winter to encourage early, tender stalks.
• Keep the area dark to prevent chlorophyll production, resulting in sweeter, paler stalks.

6. Fertilizing and Feeding

• In early spring, apply a balanced fertilizer or additional compost to support vigorous growth.
• Avoid overfeeding with nitrogen, as this can lead to excessive leafy growth at the expense of stalks.

Caring for Rhubarb as It Grows

• Weeding: Keep the area around rhubarb weed-free to reduce competition for nutrients.
• Watering: Ensure consistent watering during dry spells, especially in the first year of growth.
• Pruning: Remove flower stalks as they appear to focus energy on the edible stems.

Harvesting Rhubarb

• Timing: Allow newly planted crowns to establish for a full year before harvesting.
• Harvest Period: Begin harvesting in the second year, from mid-spring to early summer.
• Method: Gently twist and pull stalks from the base, avoiding cutting, which can damage the crown.

Top 10 Questions and Answers About Growing Rhubarb

1. Can I plant rhubarb in January?

Answer: Yes, January is an excellent time to plant bare-root rhubarb crowns while they are dormant.

2. How long does rhubarb take to grow?

Answer: Rhubarb takes a year to establish. Harvest begins in the second year after planting.

3. Can I grow rhubarb in containers?

Answer: Yes, use a large container at least 40–50cm (16–20 inches) deep and wide, filled with nutrient-rich soil.

4. How often should I water rhubarb?

Answer: Water consistently during dry periods, especially in the first year and during active growth.

5. Do I need to fertilize rhubarb?

Answer: Yes, apply a balanced fertilizer or compost in early spring and again in late summer to maintain soil fertility.

6. Can I force rhubarb every year?

Answer: Forcing rhubarb puts stress on the plant, so allow a year of rest between forcing cycles.

7. How do I prevent pests on rhubarb?

Answer: Rhubarb is relatively pest-resistant, but crown rot and slugs can occasionally cause issues. Ensure good drainage and use organic slug deterrents if needed.

8. How do I prune rhubarb?

Answer: Remove flower stalks as they appear and cut back dead leaves in late autumn to prevent disease.

9. When should I stop harvesting rhubarb?

Answer: Stop harvesting by early summer to allow the plant to replenish energy for the following year.

10. How long will rhubarb plants live?

Answer: Rhubarb plants can produce for 10–15 years with proper care and occasional dividing.

Conclusion

Planting rhubarb in January is a great way to get a head start on growing this low-maintenance and productive crop. With varieties like ‘Timperley Early’ and ‘Victoria,’ you can enjoy sweet, tangy stalks for cooking and baking. By following these tips and advice, you’ll have a healthy and thriving rhubarb patch that rewards you year after year. Start planting now and prepare for a bountiful harvest in the seasons ahead!

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