| Common Name | Giant Rhubarb |
| Family | Gunneraceae |
| Genus | Gunnera |
| Species | Manicata |
| Origin | South America |
| Blooming | Summer, inconspicuous pinkish spikes on tall stalks |
| Leaf Color | Bright green to deep emerald |
| Sunlight | Half-shade |
| Category | Outdoor plants |
| Pet Friendly | No |
Heavy clay or loam mixed with organic matter; requires boggy conditions for optimal growth.
Very high water demand. Keep soil constantly moist and submerged during active growing season.
Full sun produces largest leaves, tolerates partial shade in hot climates.
Apply compost or well-rotted manure annually in early spring to support rapid growth.
Cut back dead foliage completely in late winter before new shoots emerge.
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
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