Gunnera (Giant Rhubarb)
Botanical Information
Family | Gunneraceae |
Genus | Gunnera |
Synonyms | Chilean Rhubarb, Prickly Rhubarb |
Category | Perennials |
Details
USDA Hardiness Zone | 7b-8a |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 8-9 |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H5 |
RHS Hardiness Ref. | |
Temperature (°C) | -12.2 - -1.1 |
Temperature (°F) | 10-30 |
Height | 1.5-2.5m |
Spread | 2.5-4m |
Flowering Period | June, July |
Description and Growing Information
Propagation | Propagated by seed or by cuttings of leafy, basal buds in spring |
Cultivation | Grows in moist, humus-rich soil in full sun or partial shade |
Notable Specimens | Burncoose Nursery and Garden, Redruth, Cornwall, United Kingdom |
Habitat | Occurs in Southern Brazil and Colombia |
Flower/Leaf Bud Description | Small. narrow panicles or spikes. These may be followed by small-berry like fruits |