Geranium psilostemon

Armenian cranesbill

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Key information

Plant type

Hardy perennial

Flower colour



Autumn colour, Flowers



Skill level


Geranium psilostemon

Plant details

The bright magenta black-eyed flowers of Geranium psilostemon liven up the garden, filling the gap between the last of the spring bulbs and the first of the roses. Although the flowering season is fairly short, in midsummer, this species has superb deeply divided foliage which makes a good foil for later summer flowers. In autumn the leaves turn fiery red and team well with autumnal fruits or berries. It's the perfect choice for a cottage garden or herbaceous border. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

Grow Geranium psilostemon in fertile, well-drained soil in full sun. Remove faded flowers to rejuvenate plants, and divide congested clumps in spring.

Family: Geraniaceae

Genus: Geranium

Species: psilostemon

Plant type: Hardy perennial

Flower colour: Magenta

Foliage colour: Mid-green

Feature: Autumn colour, Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Clay/heavy, Acidic, Chalky/alkaline

Hardiness: Hardy

Skill level: Beginner

Height: 75cm

Spread: 90cm

Time to plant seeds: March to May

Time to divide plants: March to May

Flowering period: June to August

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