Rhubarb (Rheum x cultorum)

Family: Polygonaceae | Edibility: Choice Edible (4/5)

Rheum x cultorum is a PERENNIAL growing to 1.5 m (5ft). See above for USDA hardiness. It is hardy to UK zone 3. It is in leaf from February to October, in flower in June, and the seeds ripen from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind. Suitable for: medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil.

Edible Parts & Harvest Seasons

Edible Parts: Shoots, Flowers

Harvest Seasons: Early Summer, Fall, Late Summer, Spring

Flavor & Culinary Uses

taste, it is used as a fruit substitute in spring, usually stewed with sugar and used in pies, jams etc. — Leaf stem - raw or cooked.; An acid taste, it is used as a fruit substitute in spring, usually stewed with sugar and used in pies, jams etc.; The juice strained from stewed rhubarb can add colour and flavour to a fruit punch.; It is best not to eat large quantities of the stems because of their oxalic acid content - see the notes above on toxicity.

Habitat & North American Range

Steppe, sparse woods and sandy soils. (Zone 3, Zone 4, Zone 5, Zone 6, Zone 7)