Giant Rhubarb

Gunnera manicata

Chilean Rhubarb, Prickly Rhubarb

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Gunnera manicata is a herbaceous perennial in the Gunneraceae family, common names include Giant Rhubarb, Chilean Rhubarb and Prickly Rhubarb. Foliage is large and dramatic, leaves are rounded, lobed and rough in texture. The leaves are borne on spiny stems up to 2m in height and flowers are usually formed at a height of around 1m, they are red-brown in colour and very small compared to the foliage. It has a clumping habit and is hardy to -15 degrees Celsius, plant in a position of full to partial sun, in moist, poorly draining soil for optimal growth.
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Planning

Difficulty

Moderate

Flowering time

Summer

Fruiting time

Autumn

Propagation

Cuttings

Take cuttings from the base in spring.

Special features

Attractive leaves
Wet sites

Special features

Origin

South America

Environment

Light

Full Sun, Partial Sun

Soil moisture

Wet

Soil type

Clay, Loam, Peat

Soil PH preference

Neutral, Acid, Alkaline

Frost hardiness

Hardy

Personality

Family

Gunneraceae

Flower colour

Red
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Knowledge and advice

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