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Herbaceous Perennial

Rheum × hybridum 'Giant Grooveless Crimson'

rhubarb 'Giant Grooveless Crimson'

An herbaceous perennial with uniformly tall leaves from ground-level. The green leaves are supported by red stems which are reported to be less acidic than some varieties

Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Red Green
Summer Red Green Green
Autumn Red Green Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Polygonaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten, except cooked leaf stalks
Genus

Rheum are robust rhizomatous herbaceous perennials with large, simple or palmately lobed leaves and tall leafy stems bearing large panicles of tiny flowers

Name status

Unresolved

How to grow

Cultivation

Grow in moisture-retentive but well-drained, deep fertile soil in good light. See rhubarb cultivation for further advice

Propagation

Propagate by division in late winter

Suggested planting locations and garden types
Pruning

Pruning group 1

Pests

May be susceptible to stem and bulb eelworm, swift moth caterpillar, and to slugs and snails on young growth

Diseases

May be susceptible to honey fungus, downy mildews, grey moulds, crown rot and virus diseases

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