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Spiraea cinerea Graciosa

Spiraea x cinerea Graciosa
Norwegian Spirea Grefsheim

4,5/5
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The young plant was in good condition, but the roots had twisted and turned too much in the pot. A colony of ants had also settled there...

Gaëlle, 10/10/2021

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This plant carries a 24 months recovery warranty

More information

A very floriferous shrub that produces numerous small white flowers with a yellow heart.
Flower size
1 cm
Height at maturity
1.20 m
Spread at maturity
90 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Best planting time March, October
Recommended planting time February to April, August to November
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Flowering time April to May
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Description

Spiraea Cinerea 'Graciosa' is a bushy shrub resulting from the crossing between Spiraea cana and S. hypericifolia. This frequently grown bush has long drooping stems. The branches slightly curve at the ends.

From April to May, numerous small white flowers with yellow centres gathered in a corymb shape (small flattened cluster) cover the branches. This spirea, also called Spiraea Cinerea 'Grefsheim', has deciduous foliage that adds elegance to the whole. The lanceolate and finely dentate leaves, 2 cm to 3 cm (0.8 in to 1.2 in) long, are light green and turn yellow in autumn. They are small and narrow. The overall height reaches up to 1.2 m (3.9 ft) at maturity.

Spiraea has excellent hardiness. It generally lends itself well to group plantings such as in flower beds, rockeries, or in pots. It can also be grown individually. It has a special charm by the seaside.

Spiraea cinerea Graciosa in pictures

Spiraea cinerea Graciosa (Foliage) Foliage

Plant habit

Height at maturity 1.20 m
Spread at maturity 90 cm
Habit Irregular, bushy
Growth rate normal

Flowering

Flower colour white
Flowering time April to May
Inflorescence Corymb
Flower size 1 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Deciduous
Foliage colour green

Botanical data

Genus

Spiraea

Species

x cinerea

Cultivar

Graciosa

Family

Rosaceae

Other common names

Norwegian Spirea Grefsheim

Botanical synonyms

Spiraea x cinerea Grefsheim

Origin

Cultivar or hybrid

Product reference780512

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Planting and care

Plant Spiraea Cinerea 'Graciosa' in a sunny location in a rich, moist but well-drained soil. Despite its good hardiness, the young shoots can be damaged by late frosts. Water sparingly. As for pruning, cut back the spent branches to the level of the well-placed large buds or above the young shoots emerging from the base. In a mature plant, cut back to the base, between a fifth and a quarter of the stems older than three years, to allow for the formation of new stems. Ensure good air circulation in the centre of the bush. Carry out this pruning every two to three years after flowering (November-December).

Planting period

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

Intended location

Suitable for Meadow, Woodland edge
Type of use Border, Back of border, Hedge
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 1 per m2
Planting spacing Every 80 cm
Exposure Sun
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Well-drained soil

Care

Pruning instructions Chez une plante adulte, rabattez à la base, entre le cinquième et le quart des tiges âgées de plus de trois ans, pour permettre la formation de jeunes tiges. Aérer bien le centre de l'arbuste. Réaliser cette taille tous les deux à trois ans.
Pruning Pruning recommended once a year
Pruning time November to December
Soil moisture Dry soil, Moist soil
Disease resistance Very good
Overwinter Can be left in the ground
4,5/5
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