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Giant Gunnera

Gunnera Manicata

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Overview

Gunnera manicata, or Giant Gunnera, is an impactful perennial, boasting colossal, rhubarb-like leaves that can span up to 8 feet across, supported by spiky, thick stems. Ideal for a waterside focal point in USDA zones 7-10, it thrives in rich, moist soil, requiring ample space with a spread of 10 feet and a height of up to 8 feet. In summer, it produces red-green conical flower spikes, adding to its dramatic presence.

Sun Full, HalfWater Extra in Summer, HighZones 7–8Climate Subtropical
Giant Gunnera (Gunnera Manicata) — is an impactful perennial

Culture

Sun
Full, Half
Water
Extra in Summer, High
USDA zones
7–8

Shape & size

Classification

Family
Gunneraceae
Climate
Subtropical

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Photos (103)

Giant Gunnera (Gunnera Manicata) — Ideal for a waterside focal point in USDA zones 7-10; green and red flowers in the garden, image 103
Giant Gunnera (Gunnera Manicata) — aquatic / perennial with green and red blooms; where its roots can remain hydrated, image 99
Giant Gunnera (Gunnera Manicata) — aquatic / perennial for full or half; regular feeding and consistent moisture will ensure this plant maintains, image 100
Giant Gunnera (Gunnera Manicata) — rhubarb-like leaves that can span up to 8 feet across; although hardy in USDA zones 7 to 10, image 102
Giant Gunnera (Gunnera Manicata) — Regular feeding and consistent moisture will ensure this plant maintains vigor and its signature grandeur, image 97
Giant Gunnera (Gunnera Manicata) — green and red flowers in the garden; ideal for a waterside focal point in USDA zones 7-10, image 98
Giant Gunnera (Gunnera Manicata) — is an impactful perennial; requiring ample space with a spread of 10 feet and a height of up to 8 feet, image 101

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Half · Zones 8–11