Althaea officinalis

Marsh mallow

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Key information

Plant type

Hardy perennial

Flower colour






Skill level


photo by Visions, copyright GAP Photos (61970)

Plant details

As the name implies, this wildflower is found in marshes, mostly near the sea. It is a soft hairy plant with velvety grey-green leaves, and bears masses of light pink flowers in late summer. The roots produce a white gummy substance when boiled which confectioners used to sweeten to make marshmallow sweets.

Family: Malvaceae

Genus: Althaea

Species: officinalis

Plant type: Hardy perennial

Flower colour: Pink

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light, Moist

Hardiness: Hardy

Skill level: Beginner

Height: 200cm

Spread: 150cm

Time to divide plants: March to May

Flowering period: July to October

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