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Geranium x magnificum Rosemoor - Géranium magnifique Rosemoor

Geranium x magnificum Rosemoor

4,4/5
30 reviews
1 reviews
2 reviews
3 reviews
2 reviews

Hardy geranium Rosemoor, very good, thank you.

Nath44, 09/05/2025

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This plant carries a 12 months recovery warranty

More information

This hardy geranium forms a generous clump topped with an abundance of large, finely veined flowers in an intense blue-violet. Its deeply cut foliage turns coppery hues in autumn. It thrives in moist, well-drained soils, in full sun or partial shade. Fully hardy, it is ideal for cottage-garden beds and large flowering borders.
Flower size
4 cm
Height at maturity
60 cm
Spread at maturity
50 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -20.5°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time February to April, September to November
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Flowering time May to July
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Description

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Hardy geraniums: Planting, growing and care
Family sheet
by Alexandra 16 min.
Hardy geraniums: Planting, growing and care
Read article

Geranium x magnificum Rosemoor - Géranium magnifique Rosemoor in pictures

Geranium x magnificum Rosemoor - Géranium magnifique Rosemoor (Flowering) Flowering
Geranium x magnificum Rosemoor - Géranium magnifique Rosemoor (Foliage) Foliage
Geranium x magnificum Rosemoor - Géranium magnifique Rosemoor (Plant habit) Plant habit

Flowering

Flower colour blue
Flowering time May to July
Inflorescence Cyme
Flower size 4 cm

Foliage

Foliage persistence Deciduous
Foliage colour medium green
Aromatic? Fragrant foliage when creased

Plant habit

Height at maturity 60 cm
Spread at maturity 50 cm
Growth rate fast

Botanical data

Genus

Geranium

Species

x magnificum

Cultivar

Rosemoor

Family

Geraniaceae

Origin

Cultivar or hybrid

Product reference • 9051111

Planting and care

Geranium x magnificum 'Rosemoor' is best planted in autumn, or in spring outside periods of frost. Position it in a sunny but not scorching spot, or in bright partial shade; the latter option protects the flower colour from the burning midday rays. It requires an ordinary soil, rich in humus, moist but well drained, as an excess of stagnant water in winter is detrimental to its longevity. Add mature compost at planting and mulch the stump to preserve soil moisture during summer. During the first year, keep up regular watering to support growth; thereafter, established plants tolerate short dry periods. At the end of flowering, prune the clump back to soil level if the foliage collapses, which stimulates the appearance of fresh new foliage and encourages a second flowering.

Planting period

Best planting time March, October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Woodland edge
Type of use Border, Edge of border
Hardiness Hardy down to -20.5°C (USDA zone 6b) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, well-drained, fertile

Care

Pruning No pruning necessary
Disease resistance Good
Overwinter Can be left in the ground
4,4/5

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