Native Region: Northwestern China, northeastern Tibet
Rheum palmatum 'tanguticum'
Zone Range: 05-09
Preferred Climate: temperate
Harvest Date: Tuesday 17 July, 2012
Seed count: 25-30
Rhizomatous perennial with bold palmate leaves up to 36 inches across, emerging reddish-green and becoming dark green. The tall stems bear panicles of numerous pink to crimson flowers in early summer. Height to 6 feet.
For maximum freshness, please keep seed refrigerated in its original packaging until it is time to plant. Sow seed in containers in a cold frame in autumn. Grow in deep moist, humusy soil in full sun or part shade. Mulch annually with well-rotted manure.