Rhubarb
Rheum rhabarbarum
- Layer 4 · Herbaceous
- Edible companion
Status by region
No restrictions recorded in the lists we checked.
Checked against the European Union list (Regulation 1143/2014) · Portugal's national invasive species list (Decreto-Lei 92/2019).
Information based on the cited sources, not legal advice — always confirm your local rules.
About
Native to Asia, rhubarb is a robust herbaceous perennial prized for its edible, sour-tasting petioles. The leaves are toxic and must be excluded from human consumption. It occupies the herbaceous layer of the food forest in areas with partial shade and good moisture.
See which trees the rhubarb grows well with
We have no trees recorded with this species yet. Start from the tree on your land.
No account needed.
Needs
- Water: Medium
- Light: Partial shade
- Size: Herbaceous plant up to 1 m
- Mature diameter: 1 m
- Soils: Loam, Clay
- Climates: Atlantic coast, Inland / Continental, Mountain / cold
Calendar
- January
- February — Planting
- March — Planting
- April — Harvest — Planting
- May — Harvest
- June — Harvest
- July
- August
- September
- October — Planting
- November — Planting
- December
- Harvest
- Planting
Medicinal use: The petioles are consumed cooked in sweets and desserts, but the leaf blades are toxic as they contain oxalic acid.
Where to buy
Related plants
Other species in the same layer or with the same function.
See which trees the rhubarb grows well with
We have no trees recorded with this species yet. Start from the tree on your land.
No account needed.
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