Marsh mallow
4
9
5Will it grow where I live?
Marsh mallow is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.
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Profile
- Family
- Malvaceae
- Habit
- perennial
- Height
- 1.6 m
- Spread
- 1.8 m
- Growth
- medium
- Lifespan
- 8 years
- First yield
- after 2 years
- Hardiness
- zone 3–7
- Shade tolerance
- full sun
- Soil
- Sand, Silt, Loam
- Soil moisture
- semi-dry – very moist
- pH
- 6 – 8
Uses
Frequently asked questions
Marsh mallow: how big does it get?
Marsh mallow (Althaea officinalis) grows as a perennial and reaches roughly 1.6 m in height when mature, with a spread of about 1.8 m. Growth is medium.
Marsh mallow: what site does it need?
Marsh mallow tolerates full sun. Suitable soils are Sand, Silt, Loam. Soil moisture should be in the range semi-dry – very moist. The pH may lie between 6 and 8.
Marsh mallow: is it hardy?
Marsh mallow is listed as hardy in zone 3–7 and survives normal winters outdoors there.
Marsh mallow: will it grow in Central Europe?
Marsh mallow is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.
Marsh mallow: is it poisonous?
No toxicity is recorded for Marsh mallow. With wild plants, never rely on a database alone — only on a confident identification.
Marsh mallow: what is it used for?
Rated on a scale up to 10: Edible 4/10, Medicinal 9/10, Other uses 5/10.
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