How to Grow Derby Red Rhubarb
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Derby Red Rhubarb
Rheum rhabarbarum 'Derby Red'
vegetableDerby Red is a premium rhubarb cultivar renowned for its deep crimson-red stalks and exceptional flavor. This perennial plant produces tender, richly flavored stems ideal for culinary use, with leaves that are poisonous and should never be consumed. Derby Red is vigorous, cold-hardy, and a reliable producer in temperate climates.
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Example Derby Red Rhubarb timeline · Pittsburgh, PA (Zone 6b)
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Plant Derby Red Rhubarb
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Derby Red Rhubarb
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-7, with best performance in zones 4-6
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Establishment
First spring-summer (3-4 months)Young plant produces a few small leaves and root system develops; plant appears compact and low-growing.
Keep soil consistently moist but not waterlogged. Remove any flower stalks that appear to encourage root and crown development. Apply 2-3 inches of mulch around plant.
Vegetative Growth
Year 2-3 (ongoing seasonal growth)Plant develops multiple large leaves with prominent red veining; red stalks begin to emerge prominently from the crown.
Maintain consistent watering. Apply balanced fertilizer (10-10-10) in spring and early summer. Remove any flower buds. Keep area weed-free. Mulch to suppress weeds and retain moisture.
Pre-Harvest Maturity
Year 3-4Stalks reach full thickness (0.75-1.5 inches diameter), develop deep red color throughout, and plant produces robust crown with many emerging stems.
Continue regular watering and fertilizing schedule. Remove flower stalks promptly. Harvest lightly in third year to allow continued establishment. Mulch annually with 1-2 inches of compost.
Harvest Season
Late April to mid-July (6-8 weeks)Numerous thick, deeply red stalks ready for picking; plant is vigorous and continuously produces new stems for 6-8 weeks.
Harvest by pulling or cutting stalks from outside of plant toward center. Stop harvesting by mid-July to allow plant to photosynthesize and build energy for next season. Water regularly during harvest period.
Dormancy
August-March (8 months)Above-ground foliage dies back; plant enters winter rest period with energy stored in crown and roots.
Stop harvesting by July. Allow remaining leaves to photosynthesize through fall. Cut back dead foliage after hard frost. Apply 2-3 inches of mulch for winter protection in zones 3-4. No watering needed unless extremely dry.
Common Pests
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Remove infested stalks and destroy. Clean up plant debris. Apply neem oil or spinosad in spring. Rotate planting locations if severe.
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Ensure excellent drainage and avoid waterlogging. Do not plant too deeply. Remove and destroy infected plants. Apply fungicide if caught early.
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Remove affected leaves. Improve air circulation. Water at soil level to keep foliage dry. Apply sulfur or copper fungicide if needed.
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and
Handpick at dawn or dusk. Use beer traps or copper barriers. Apply diatomaceous earth around plant base. Encourage predators like beetles and hedgehogs.
Uses
Pies, Jams & Desserts
CulinaryDerby Red's deep crimson color and rich, slightly tart flavor make it exceptional for classic rhubarb pie, jams, compotes, and cobblers. The vibrant color persists through cooking, creating stunning pink or red finished products. [source]
Beverages & Syrups
CulinaryTender Derby Red stalks are excellent for making rhubarb juice, cordials, shrubs, and simple syrups for cocktails and refreshing drinks. The deep color creates visually striking beverages. [source]
Savory Cooking
CulinaryBeyond sweets, Derby Red can be used in savory applications like chutneys, sauces for poultry and pork, and Asian-inspired dishes. Its acidity complements fatty meats well. [source]
Digestive & Herbal Remedies
MedicinalRhubarb has a long history in traditional medicine as a mild laxative and digestive aid. The stalks contain compounds that support gastrointestinal health when used appropriately. [source]
Natural Dye & Cleaning
HouseholdRhubarb roots and stalks produce natural dyes and can be used in homemade cleaning solutions. Historically used to create pink and red dyes for fabrics. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Begin light harvesting in year 3 (pick only 4-5 stalks per plant). From year 4 onward, harvest for 6-8 weeks (late April through mid-July). Harvest by grasping stalk near base and pulling upward with twisting motion, or cut with sharp knife. Remove only mature stalks (thick, deep red, 12-18 inches long). Stop harvesting by mid-July to allow plant photosynthesis and regeneration. Derby Red stalks remain tender and flavorful longer than many varieties.
Fun Facts
- 🌱 Derby Red was developed in England and is named after the city of Derby. It's considered one of the finest rhubarb varieties ever bred, prized by British gardeners for over 100 years.
- 🌱 Rhubarb was famously taxed as a vegetable by the U.S. government in 1947 after a tariff court ruling—it was classified as a vegetable for culinary and tax purposes despite being botanically a fruit.
- 🌱 The leaves of rhubarb contain high levels of oxalic acid and anthraquinones and are toxic if ingested in significant quantities, but the stalks are perfectly safe and nutritious, rich in vitamin K and fiber.
Gardening Terms
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