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Gunnera Genus

Prickly rhubarb

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General Needs

  • LightFull sun
  • HardinessFrost hardy (min -5°C)
  • SoilWell drained, Humus-rich
  • WaterMoist

Description

Gunnera genus (Prickly rhubarb). This genus consists of about 45 species of summer flowering perennials, some of which are clump forming with very large leaves whilst others are mat-forming with smaller leaves.

Characteristics

Perennials, Evergreens, Shrubs or Herbaceous

Origin

Africa, Australasia and S.America

Interest and use

Grown for their foliage, flowers and fruits.

Cultivation

They are frost hardy, but need shelter from winds in the summer and can be covered with bracken or compost in the winter. They will require a sunny position with moist soil.

Propagation

You can propagate by seeds in the autumn or spring, and the small species by division in the spring.

Pests, diseases or disorders

Prone to slug and snail damage. Under glass, prone to slugs and whitefly.

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