Hollyhock rosea 'Crème de Cassis'

We've trialled several semi-double hollyhocks over the years, sadly most have not made the grade but 'Crème de Cassis' was a spectacular exception.

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1 x 9cm plant 511312-1 £5.50 Delivery late February
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When in stock, please allow up to 1 week for delivery.
3 x 9cm plants 511312-3 £12.95 Delivery late February
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When in stock, please allow up to 1 week for delivery.
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We've trialled several semi-double hollyhocks over the years, but sadly most have not made the grade, struggling with rust over much of their leaves. 'Crème de Cassis', here growing in my friend Arthur Parkinson's garden, was a spectacular exception, reappearing reliably year on year.

Genus Alcea
Group/Species rosea
Variety 'Blackcurrant Whirl', Crème de Cassis'
Type Hardy Biennial, Short-lived Perennial
Common Name Hollyhock
Border Position Back
Soil Type Acid, Alkaline, Chalky, Fertile, Neutral, Sandy
Scent Unscented
Site Full Sun
Moisture Well-drained
Height 2.4m (8ft)
Spacing 45-60cm (18-24in)
Sowing, Seeds, Planting Plant in spring or autumn, sprinkle mycorrhizal fungi (Rootgrow) into the base of the planting hole and water well after planting.
Care Tips Protect against rust with Copper Mixture or position at the back of the border to hide any affected foliage. Flower spikes may require staking. Cut back after flowering.
Flowering June - September
Harvesting Flower production: 4 months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice

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