Rheum palmatum var. tanguticum

Synonyms

Rheum tanguticum

Herbaceous Perennial

A rhizomatous perennial to 2m high, with large basal leaves that emerge from the ground in late spring. Leaves are jagged and deeply cut, and dark reddish-purple when young, maturing to deep green with red undersides and long, thick reddish stems. In summer, tall, branching flower stems bear upright clusters of tiny, densely packed flowers in shades of white, pink or deep red

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1.5-2.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Polygonaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling Pets: Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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
Correct
Plant Range
China

How to Grow

Cultivation

Grow in deep, moist, fertile soil, ideally in a sunny position. Mulch with organic matter in early spring. While slightly smaller than the species, this variety still needs plenty of space

Propagation

Propagate by division in early spring

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Flower borders and beds

Pruning

Deadhead spent flower spikes, cut back faded leaves at the end of the season

Pests

May be susceptible to slugs and blackfly (black aphid)

Diseases

May be susceptible to crown rot, honey fungus and virus diseases