Himalayan Rhubarb, Red-veined Pie Plant, Red Vein Rhubarb
Rheum australe

Family: Polygonaceae
Genus: Rheum (REE-um)
Species: australe (aw-STRAL-ee)

Category
Perennials

Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Spacing
6-8 ft. (1.8-2.4 m)

Hardiness
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Sun Exposure
Full Sun
Sun to Partial Shade

Danger
Parts of plant are poisonous if ingested

Bloom Color
Pink
Red
White/Near White

Bloom Time
Late Spring/Early Summer
Mid Summer

Foliage
Grown for foliage
Herbaceous
Smooth-Textured

Other details
Average Water Needs; Water regularly; do not overwater

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds