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Geranium macrorrhizum

Hardy geranium

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Key information

Plant type

Hardy perennial

Flower colour



Autumn colour, Flowers



Skill level


photo by GAP, copyright GAP Photos (141918)

Plant details

This outstanding cranesbill starts flowering in late spring, and forms dense weed smothering mats of foliage, which in autumn take on lovely crimson and orange tints. It thrives in sun or shade, making it ideal for ground cover under shrubs or roses, and associates well with strongly shaped perennials, such as bergenia, and spring bulbs such as narcissi or bluebells. Plant it in front of clumps of spring bulbs to hide their foliage while it does down. Plants spread slowly by means of fat rhizomes that push themselves out of the ground, so top dress plants in spring.

Family: Geraniaceae

Genus: Geranium

Species: macrorrhizum

Plant type: Hardy perennial

Flower colour: Pink

Foliage colour: Mid-green

Feature: Autumn colour, Flowers

Sun exposure: Full sun, Partial shade, Shade

Soil: Well-drained/light, Acidic, Chalky/alkaline, Moist

Hardiness: Hardy

Skill level: Beginner

Height: 45cm

Spread: 90cm

Time to plant seeds: March to May

Time to divide plants: March to May

Reader reviews


Can be grown in clay soil. Spreads quickly, cut back to encourage New flowers and too keep tidy

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