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Botanical name
Gunnera manicata
Other names
Giant rhubarb, Chilean rhubarb, Prickly rhubarb
Genus
Species
G. manicata - G. manicata is a large perennial with rubarb-like, prickly leaves.
Foliage
Deciduous
Habit
Clump-forming, Spreading
Awards
RHS AGM (Award of Garden Merit)
COLOUR
Flower
Green, Red in Summer
Foliage
Green in Spring; Green in Summer
HOW TO CARE
Watch out for
Pests
Generally pest-free.
Diseases
Generally disease-free.
General care
Propagation methods
Basal cuttings, Seed
WHERE TO GROW
Gunnera manicata (Giant rhubarb) will reach a height of 2.5m and a spread of 4m after 5-10 years.
Suggested uses
Architectural, Bog garden, Waterside
Cultivation
Plant in humus-rich, permanently wet soil in sun or partial shade. In autumn, bend the dying leaves over the crown of the plant to provide winter protection.
Soil type
Clay, Loamy
Soil drainage
Boggy damp conditions
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Sheltered