Rheum palmatum 'Rubrum'
The Dell Garden
A large (2m x 2.5m) hardy herbaceous rhizomatous perennial with a massive rootstock and large leaves with plumes of small red flowers in panicles up to 2m long. Tall stems produce broadly ovate to rounded palmately 3-9 lobed, coarsely toothed, dark-green leaves up to 90cm (36in) long.
Site and Care:
Grow in fertile moist or even boogy, well-drained, humus-rich soil, of any type, in full sun or partial shade. Mulch with well-rotted organic matter in early spring. Propagation is by division in spring.