Scientific Name: Gunnera manicata
Common Name: gunnera, giant rhubarb
Family Name: Gunneraceae
Origin: South America
Hardiness Zone: Zone 7: (-18 to -12 °C)
Plant Type: Herbaceous perennial
Mature Size: 2 - 3m x 3 - 4m (height x width)
Habit: Arching, Open
Form: Oval - horizontal
Texture: Very coarse
Landscape Uses: Accent plant, Aquatic - ponds, Screening, Specimen plant, Waterside planting, Wetland - bogs
Exposure: Full sun, Part sun/part shade
Soil or Media: Humus rich
Leaves: Simple, Lobed, Basal, Leathery, Prickly, Heavily veined, Palmate venation, Rugose, Orbicular, Ovate, Dentate, Pinnately lobed, Undulate (wavy)
Flowers: Panicle, Green, Pink, Red, Jul
Fruit: Drupe, Green, Red, Sep
Key ID Features:
Clump-forming; leaves basal, up to 1.2m wide and 2m long to almost round, very rough and heavily veined with thick, spiny petioles around a thick flower 'spike'.