Gunnera magellanica


Botanical Information

FamilyGunneraceae
GenusGunnera
Speciesmagellanica
CategoryPerennials
OriginNative to southern Chile, Argentina and the Falkland Islands. Genus named for Ernst Gunnerus (1718-1773), the Norwegian bishop and botanist.

Details

USDA Hardiness Zone7
USDA Hardiness Ref.
Canadian Hardiness Zone6b - 7a
Canada Hardiness Ref.
RHS Hardiness ZoneH5 - H6
RHS Hardiness Ref.
Temperature (°C)-18 - (-12)
Temperature (°F)0 - 10
SpreadUp to 1 m
GrowthSlow
Flowering PeriodJune, July, August

Description and Growing Information

General DescriptionGunnera magellanica is a mat-forming perennial with deep green leaves and clusters of unisexual flowers.
LandscapeCan be used as ground cover, in a woodland garden or in partially shady locations.
Notable SpecimensRHS Garden Rosemoor, North Devon, England.
Leaf DescriptionSomewhat cupped, kidney-shaped, 5 - 9 cm in width, deep green, margins scalloped.
Flower DescriptionIndividual plants have either male or female flowers (having either stamens or pistils), arranged in loose branching clusters.
Fruit DescriptionOvoid to globose, up to 5 mm in diameter, orange to red in colour.

Photographs