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Alcea rosea Crème de cassis - Hollyhock

Alcea rosea Crème de cassis
Hollyhock

4,6/5
4 reviews
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1 reviews
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The seeds work well and produce rather robust young plants that flower the following year with careful maintenance. The colour of the flowers matches the description of the purchased product. It's quite rare, by the way, with hollyhocks, so it's interesting to note.

Enzojardin18, 25/06/2023

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This plant carries a 6 months recovery warranty

More information

Value-for-money
A very hardy perennial bearing purplish-pink flowers with juicy blackcurrant centres. From the mallow family, it is a classic cottage garden plant.
Flower size
10 cm
Height at maturity
1.80 m
Exposure
Sun
Germination time (days)
15 days
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Sowing period May to August
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Flowering time June to July
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Description

Hollyhock Crème de cassis (also known by its Latin names : Alcea rosea and Althaea rosea) is a very hardy perennial bearing purplish-pink flowers with juicy blackcurrant centres. From the mallow family, it is a classic cottage garden plant.

Tall floral stems quickly shoot up from its small clumps of lobed leaves, reaching 1.50 to 1.80 m high. 

Widespread in our French countrysides where it bears a variety of pretty common names, the hollyhock is often grown at the back of beds or placed against a wall to protect it from strong winds. 

The single or semi-double, broadly cupped purplish-pink blooms with blackcurrant red centres, flower in a staggered fashion, from July to September. During this period, they will attract bees and butterflies to your garden.

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Flowering

Flower colour pink
Flowering time June to July
Inflorescence Cluster
Flower size 10 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms
Flowering description Its single or semi-double flowers, arranged in terminal clusters, have a broad cup shape. Their size ranges from 5 to 10 cm in diameter.

Foliage

Foliage persistence Semi-evergreen
Foliage colour green
Foliage description The villous, rounded, pale green leaves, which can reach up to 15 cm in diameter, are divided into 3 to 7 lobes. During the winter period, only the lower part of the plant will remain.

Plant habit

Height at maturity 1.80 m
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Alcea

Species

rosea

Cultivar

Crème de cassis

Family

Malvaceae

Other common names

Hollyhock

Origin

Cultivar or hybrid

Product reference335111

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Planting and care

Sow hollyhocks from May to July. It takes 15 to 20 days for the young shoots to appear. Transplant the young plants when they have reached a height of 7 cm, 20 cm apart. In the following spring, place them in your beds, spacing them 40 to 50 cm apart. Staking is required if the area is not sheltered from winds. Avoid planting hollyhocks several years in a row in the same spot to prevent rust from appearing (a parasitic fungus in the form of orange powder) on the foliage.

4
19,50 €

Sowing period

Sowing period May to August
Germination time (days) 15 days

Intended location

Suitable for Meadow, Rockery
Type of use Back of border, Hedge
Hardiness Hardy down to -18°C (USDA zone 7a) Show map
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Dry soil, Moist soil, Avoid poorly drained soil which can lead to root rot.
4,6/5
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