7-21 days






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Rhubarb Seed Starter Grow Kit
BOTANICAL NAMERheum rhabarbarum
USD 14.99
100 in stock
Rhubarb is the tart 'pie plant,' a hardy perennial whose ruby stalks shine in pies, jams, and crumbles.
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The growing details, all in one place.
Full Sun to Partial Shade (4-6 hours daily)
65-75F
USDA Zones 3-8 (Outdoor); All Zones (Indoor)
THE PLANT NOTEBOOK
Rhubarb care, from seed onward.
- Botanical name
- Rheum rhabarbarum
- Common names
- Pie Plant
- Family
- Polygonaceae
- Genus
- Rheum
- Species
- R. rhabarbarum
Start growing
Extremely hardy. Needs a cold winter dormant period. Don't harvest the first year.
Growing with your kit
Start your rhubarb crown in a Seeds In A Cup® planter to establish a strong root network before moving to a permanent garden spot.
Propagation
By crown division or seeds.
Seasonal growth & harvest
Harvest stalks in spring; dies back in winter.
Growing conditions
Cold climate highlands with rich, acidic soil.
Weather & tolerances
Extreme cold tolerance; low heat tolerance above 85°F.
Pests & plant health
Rhubarb curculio (snout beetle).
Plant safety
Stalks are safe. Leaves contain high oxalic acid and are toxic to humans and pets.
Botanical features
A perennial herbaceous plant with large leaves and thick red/green fleshy stalks.
Varieties
‘Victoria’, ‘Valentine’, ‘Crimson Red’.
Garden & everyday uses
Tangy culinary vegetable used like a fruit in pies and crumbles
Native range & distribution
Native to Central Asia and Siberia.
Conservation
Least concern.
Name origins
Latin ‘rha barbarum’ (Rha is the Volga river; Barbarum meaning foreign).
History
Used as a powerful medicine in China for 5,000 years before becoming a dessert staple in Europe.
Good questions grow here
A little more clarity.
How do I grow Rhubarb from seed?
Moisten the included soil, sow your Rhubarb seeds at the depth on the instruction card, keep the planter warm and bright under the humidity lid, and mist until they sprout. Full steps are in your kit.
How long do Rhubarb seeds take to germinate?
Rhubarb seeds typically sprout in 7-21 days at 65-75F when kept warm and evenly moist. Your guide lists the ideal conditions.
Growing details are supplied in the Seeds In A Cup® product catalog. Follow the instructions included with your specific kit.
Our information standards ↗The growing journal
Read. Learn. Grow.
8 articles matched to this plant.
Rhubarb · Growing guides
How to Grow Rhubarb: Complete Seed-to-Harvest Guide
A comprehensive, data-grounded guide to growing Rhubarb, including seed starting, site planning, care, problems, harvest, safety, and FAQs.
Read articleRhubarb · Growing guides
Rhubarb From Seed: A Step-by-Step Garden Planning and Planting Blueprint
Learn how to plan, start, transplant, and care for Rhubarb with a structured seed-to-garden workflow and clear answers to common questions.
Read articleRhubarb · Plant health
Rhubarb Problems Solved: Pests, Diseases, Yellow Leaves, and Seasonal Care
A practical troubleshooting guide for Rhubarb covering diagnosis, pest and disease prevention, environmental stress, seasonal care, and FAQs.
Read articleRhubarb · Harvest & uses
Rhubarb Harvest Guide: Uses, Varieties, Storage, and Home-Garden Success
Explore Rhubarb harvest timing, documented uses, variety selection, safe handling, propagation, and practical home-garden planning.
Read articleRhubarb · Botanical profiles
Rhubarb Plant Profile: Botany, Origins, Growing Facts, Safety, and FAQs
An educational botanical profile of Rhubarb, including taxonomy, history, distribution, cultivation facts, safety considerations, and FAQs.
Read articlerhubarb · Growing guides
The Ultimate Guide to Growing Rhubarb: A Masterclass in Cultivation
Whether you are establishing a backyard garden, a community plot, or an indoor sanctuary, mastering the cultivation of Rhubarb requires a deep understanding of its biological prefe
Read article