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Astrantia major White Giant - Masterwort

Astrantia major White Giant
Masterwort

4,0/5
8 reviews
2 reviews
3 reviews
1 reviews
1 reviews

Healthy young plant. I can't wait to see the flowers.

Jocelyne, 07/05/2023

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This plant carries a 12 months recovery warranty

More information

A recent and floriferous variety, with large flowers measuring 5 to 7 cm (2 to 3in) in diameter, white in colour, surrounded by green-veined bracts. Its timeless charm continues throughout the summer, from June to September. Symbolic to cottage gardens and easy to grow, it often finds its way into slightly neglected areas.  The bushy and somewhat loose habit enhances the elegance of its flowering.  A good flower for both dried and fresh bouquets.
Flower size
6 cm
Height at maturity
60 cm
Spread at maturity
45 cm
Exposure
Sun, Partial shade, Shade
Hardiness
Hardy down to -29°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 June to July, September
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Description

Astrantia major 'White Giant', is a recent variety of large-flowered astrantia that is particularly bright. Its large flowers are adorned with white bracts, shiny and discreetly veined with green. Its timeless charm operates throughout the summer and the flowers are particularly attractive to butterflies. This perennial, a regular in medicinal gardens, is so easy to grow that it often finds its way into neglected areas.  This favourite of florists is a good flower for both dried and fresh bouquets .

  

Astrantia major, native to central and eastern Europe, belongs to the family Apiaceae (formerly known as Umbellifers), making it a distant relative of the carrot.  Its bushy and somewhat loose habit enhances the elegance of its flowering. The plant forms a tuft about 60 cm (24in) tall, with approximately 45 cm (18in) for the foliage and 45 cm (18in) wide when in bloom. The foliage is dense and composed of palmate deciduous leaves with 5 deep lobes, lanceolate, toothed, of a fairly dark green colour, and strongly veined. The flowers in umbels, 5 to 7 cm (2 to 3in) wide, appear from June to August-September, at the end of thin, very rigid stems, ideal for vases. They are composed of dozens of small white star-shaped flowers , tinged with green, surrounded by a collar of large pearly bracts, which play beautifully with the light. The bracts are also white and veined with dark green on the edges.

 

Easy to grow, Astrantia major 'White Giant' thrives in humus-rich soil, even slightly chalky soil, in a fresh and well-drained location in sunny, semi-shaded, or even shady climates. This ancient plant, very popular in contemporary gardens and floral arrangements, requires little maintenance and thrives even in neglected gardens. It is particularly well-suited to the 'meadow' style, planted in drifts, as its flowers, which complement ornamental grasses, bring texture to flower beds. You can also create large country bouquets with bellflowers and foxgloves from herbaceous borders, and of course create pretty fresh or dried floral arrangements. It pairs perfectly with perennials and roses in natural and/or romantic settings.

Tip: Combine several varieties to create a beautiful colour palette.

Astrantia major White Giant - Masterwort in pictures

Astrantia major White Giant - Masterwort (Flowering) Flowering

Flowering

Flower colour white
Flowering time June to July, September
Inflorescence Umbel
Flower size 6 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 60 cm
Spread at maturity 45 cm
Growth rate normal

Botanical data

Genus

Astrantia

Species

major

Cultivar

White Giant

Family

Apiaceae

Other common names

Masterwort

Origin

Cultivar or hybrid

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Planting and care

Easy to grow, Astrantia major 'White Giant' thrives in humus-rich, moist and well-drained soil in sunny, partially shaded, or even shady locations in warm climates. It requires little maintenance. Cut back the unsightly foliage before winter and remove faded flowers to encourage a second flowering. It self-seeds very easily, although not always reliably. Its only known enemies are slugs and snails.

Astrantia major 'White Giant' should be planted in spring or autumn, at a rate of 5 plants per square meter. To plant your young plant, prepare your soil to a depth of 20 cm (8in) by breaking up the soil well and adding fertiliser such as bone meal.  Position your plant, removed from its pot, by covering the top of the root ball with 3 cm (1in) of soil. Fill in the hole, tamp down, and water thoroughly to eliminate any air pockets. During dry weather, water regularly for a few weeks to facilitate root establishment. During wet weather, it is necessary to protect the young plants from slugs by using wood ash, slug repellent, or even beer! Each of these solutions is highly effective.

Planting period

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

Intended location

Suitable for Meadow, Shaded rockery, Woodland edge, Undergrowth
Type of use Border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun, Partial shade, Shade
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, Rich, moist, and deep

Care

Pruning instructions Cut the faded flowers as they appear to promote repeat flowering. Prune the withered stems close to the ground at the end of winter.
Pruning Pruning recommended once a year
Pruning time February to March, July to August
Disease resistance Very good
Overwinter Can be left in the ground
4/5

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