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 |