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Value-for-money

Geranium magnificum Rosemoor

Geranium x magnificum Rosemoor
Magnificent Cranesbill, Hardy Geranium

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

Field of plants arrived with yellow leaves. I planted them; I water them every evening, hoping they'll take root. I remain pessimistic about the success of the transplants. I bought 6 and all 6 are in poor condition.

odile, 09/09/2023

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This plant carries a 12 months recovery warranty

More information

A robust and vigorous young plant, forming an opulent and regular clump, beautiful autumn shades. The flowers are bright blue-purple, with purple veins. It is a sturdy plant, easy to grow. It elegantly withstands winter cold and occasional drought, showing little demand in soil type.
Flower size
4 cm
Height at maturity
60 cm
Spread at maturity
50 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time March to April, September to October
Recommended planting time February to April, September to November
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Flowering time June to July
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Description

The magnificum 'Rosemoor' perennial geranium is a robust and vigorous plant that forms a lush and regular clump and displays beautiful autumnal hues. It disappears in summer under its bright purple-veined mauve flowers. It is a sturdy and easy-to-grow plant. It gracefully withstands winter cold and occasional drought, showing little demands regarding soil type.

 

Geranium x magnificum 'Rosemoor' belongs to the geranium family. It is a hybrid, inheriting its large cordate and villous leaves from one parent, and its large intense blue-violet flower from the other. It stands out as a giant in the world of perennial geraniums, with its dome reaching 60 cm (24in) in height and 50 cm (20in) in diameter, and its growth is quite rapid. Flowering occurs in June-July, transforming the plant into a ball of flowers. The five-petaled cup-shaped flowers measure 4 cm (2in) in diameter, in finely purple-veined bluish violet. They are grouped in compact cymes. The foliage is deciduous, medium green, and takes on lovely colors in autumn. It is composed of broad, pubescent, lobed, and dentate leaves, overlapping each other. It is worth noting that all magnificum hybrids are sterile therefore, you will not obtain any seeds.

 

Geranium x magnificum 'Rosemoor' is suitable for all types of gardens, from wild to herb gardens, as well as well-maintained plant beds. It grows very well in large pots, on the terrace or balcony. It will be nicely complemented by orange flowers, such as those of daylilies, Chinese bellflower, and Alstroemeria aurantiaca. 

 

Geranium magnificum Rosemoor in pictures

Geranium magnificum Rosemoor (Flowering) Flowering
Geranium magnificum Rosemoor (Foliage) Foliage
Geranium magnificum Rosemoor (Plant habit) Plant habit

Flowering

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

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

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

Botanical data

Genus

Geranium

Species

x magnificum

Cultivar

Rosemoor

Family

Geraniaceae

Other common names

Magnificent Cranesbill, Hardy Geranium

Origin

Cultivar or hybrid

Other Hardy Geranium - Cranesbill

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Planting and care

The perennial geranium magificum 'Rosemoor' prefers the sun, but never scorching, it also grows in partial shade. Ideally, plant it in ordinary soil, moist, humus-rich, not too acidic, well-drained. In clay soil, it is advisable to lighten the soil with coarse sand or leaf compost. It particularly fears waterlogged soils in winter, especially during its youth. This species tolerates difficult conditions, such as occasional drought periods, which will then stop the flowering. But it will never be as beautiful as in the sun, in rich and moist soil. Plant it early in spring or in autumn. Water regularly to help the plants establish. Regularly cutting off faded flowers promotes reblooming. Dividing clumps every three years in spring rejuvenates the plant. Easy to grow, it requires little maintenance.

Planting period

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

Intended location

Suitable for Meadow, Woodland edge
Type of use Edge of border, Slope
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun, Partial shade
Soil pH Neutral
Soil type Clayey (heavy), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Moist soil, well drained, fertile

Care

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

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