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Alcea rosea (Hollyhock)

Other names: Althaea rosea

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Species
A. rosea is a hardy biennial, with shallow-lobed, rounded leaves and long erect racemes of funnel-shaped flowers in pink, purple, red, white or yellow.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
2.5 m 0.5 m 1-2 years
8 ft 1 ft 1-2 years

Where to grow

Soil type
  • Chalky
  • Loamy
  • Sandy
Soil drainage
  • Well-drained
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Full Sun
Aspect
  • East
  • West
  • South
Exposure
  • Exposed
  • Sheltered

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Additional plant details

Cultivation

Plant in well-drained, moderately fertile soil in full sun. Staking is advised particularly in windy locations.

Suggested uses

Coastal, Beds and borders, Cottage/Informal, Wildlife, Bees (attract & feed bees)

UK hardiness

H5

USDA zones

Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10

Sunset zone

1A, 1B, 2A, 2B, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

WUCOLS

North-Central Coastal = Low
Central Valley = Low
South Coastal = Moderate/Medium
South Inland = Moderate/Medium
High and Intermediate Desert = Inappropriate
Low Desert = Inappropriate

Foliage

Deciduous

Habit

Erect

Native to

Western Asia

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic

Plant care

Pruning

Cut back after flowering.

Propagation methods

Seed

Pests

Capsid bug

Flea beetles

Slugs

Caterpillars

Diseases

Susceptible to a rust.

Cut back after flowering in early autumn (optional)

Plant container grown plants in moderately fertile, well-drained soil

Break off spent flowers of iris, daylilies, gladiola and hollyhock (optional)

Plant container grown plants in a sunny postion

Sow seed in situ

Other plants

Plants in this Genus (37)

Alcea

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Alcea rosea Chater's Double Group salmon pink-flowered
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Alcea rosea Chater's Double Group salmon pink-flowered Hollyhock Chater's Double Group salmon pink-flowered
Alcea 'Halo Apricot'
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Alcea 'Halo Apricot' Hollyhock 'Halo Apricot'
Alcea rosea 'Chater's Double Icicle'
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Alcea rosea 'Chater's Double Icicle' Hollyhock 'Chater's Double Icicle'
Alcea 'Apple Blossom'
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Alcea 'Apple Blossom' Hollyhock 'Apple Blossom'
Alcea rosea 'Zanzibar'
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Alcea rosea 'Zanzibar' Hollyhock 'Zanzibar'
Alcea rosea 'Black Knight'
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Alcea rosea 'Black Knight' Hollyhock 'Black Knight'
Alcea rosea Majorette Group
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Alcea rosea Majorette Group Hollyhock Majorette Group
Alcea 'Peaches 'n' Dreams'
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Alcea 'Peaches 'n' Dreams' Hollyhock 'Peaches 'n' Dreams'
Alcea rosea Chater's Double Group
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Alcea rosea Chater's Double Group Hollyhock Chater's Double Group
Alcea rosea 'Nigra'
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Alcea rosea 'Nigra' Hollyhock 'Nigra'
Alcea rosea
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Alcea rosea Hollyhock
Alcea rosea 'Chater's Double Maroon'
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Alcea rosea 'Chater's Double Maroon' Hollyhock 'Chater's Double Maroon'
Alcea rosea 'Chater's Double Newport Pink'
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Alcea rosea 'Chater's Double Newport Pink' Hollyhock 'Chater's Double Newport Pink'
Alcea rosea Chater's Double Group yellow-flowered
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Alcea rosea Chater's Double Group yellow-flowered Hollyhock Chater's Double Group yellow-flowered
Alcea rosea Chater's Double Group rose-pink flowered
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Alcea rosea Chater's Double Group rose-pink flowered Hollyhock Chater's Double Group rose-pink flowered
Alcea rosea Chater's Double Group chestnut brown-flowered
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Alcea rosea Chater's Double Group chestnut brown-flowered Hollyhock Chater's Double Group chestnut brown-flowered
Alcea rosea Halo Series
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Alcea rosea Halo Series Hollyhock Halo Series
Alcea rosea double scarlet-flowered
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Alcea rosea double scarlet-flowered Hollyhock double scarlet-flowered
Alcea rosea double white-flowered
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Alcea rosea double white-flowered Hollyhock double white-flowered
Alcea rosea 'Mars Magic' (Spotlight Series)
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Alcea rosea 'Mars Magic' (Spotlight Series) Hollyhock 'Mars Magic'
Alcea rosea 'Polarstar' (Spotlight Series)
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Alcea rosea 'Polarstar' (Spotlight Series) Hollyhock 'Polarstar'
Alcea pallida
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Alcea pallida Turkish hollyhock
Alcea rosea 'Nigra'
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Alcea rosea 'Nigra' Hollyhock 'Nigra'
Alcea rosea Van Zyverden Double Pink
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Alcea rosea Van Zyverden Double Pink Hollyhock Van Zyverden Double Pink
Alcea ficifolia Happy Lights Strain
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Alcea ficifolia Happy Lights Strain Fig-leaved hollyhock Happy Lights Strain
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Companion plants (1)

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Crambe cordifolia
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Crambe cordifolia Greater sea kale
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Related content

Discuss Alcea rosea with other Shoot members

Alcea Rosea (Hollyhock)

Shoot User
944 0
I have a very small alcea which I have been trying to mature in a small pot (3"d). It only ever has 3 leaves, approx 3" high. Every few weeks one leaf goes mottled, and this increases until the leaf curls up and dies off. Another leaf come up from below but this is recurring and the plant is not establishing itself. Is it rust? Is it something else? What do I do?
Posted: Wednesday 15th of May 2013 04:55 PM Last reply: Saturday 1st of March 2025 06:35 AM

Hollyhock (Alcea rosea)

Shoot User
1032 0
We bought and planted 5 Hollyhocks last year, they grew and flowered to an enormous size. This year only 2 are showing any signs of foliage at the moment. Have they done all they will or will we get a repeat of last years blooms. If they have now done all they will do, should I have taken cuttings or seeds from them to grow for this year or do I just have to buy new ones each year?
Posted: Wednesday 22nd of April 2009 03:36 PM Last reply: Saturday 1st of March 2025 06:32 AM
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