Alpine Soapwort
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4Will it grow where I live?
Alpine Soapwort 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
- Caryophyllaceae
- Habit
- annual
- Height
- 0.2 m
- Spread
- 0.4 m
- Growth
- medium
- Lifespan
- 10 years
- First yield
- after 2 years
- Hardiness
- zone 3–8
- Shade tolerance
- light shade
- Soil
- Sand, Silt, Clay
- Soil moisture
- Desert – moist
- pH
- 6 – 7
- Synonyms
- Tufted soapwort
Flowering & harvest
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flowering |
Uses
Growing
Saponaria caespitosa thrives in full sun with well-drained, rocky or limestone soil. It prefers neutral to slightly acidic pH and requires moderate watering, allowing soil to dry between waterings. Propagate by seed or planting; pruning is minimal and mainly for design. Protect from wet winters and ensure good drainage to avoid root rot.
Frequently asked questions
Alpine Soapwort: how big does it get?
Alpine Soapwort (Saponaria caespitosa) grows as a annual and reaches roughly 0.2 m in height when mature, with a spread of about 0.4 m. Growth is medium.
Alpine Soapwort: what site does it need?
Alpine Soapwort tolerates light shade. Suitable soils are Sand, Silt, Clay. Soil moisture should be in the range Desert – moist. The pH may lie between 6 and 7.
Alpine Soapwort: is it hardy?
Alpine Soapwort is listed as hardy in zone 3–8 and survives normal winters outdoors there.
Alpine Soapwort: will it grow in Central Europe?
Alpine Soapwort is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.
Alpine Soapwort: when does it flower?
In a temperate northern-hemisphere climate it flowers from June to July.
Alpine Soapwort: is it poisonous?
Individual parts of Alpine Soapwort are noted as mildly problematic — the plant does not count as poisonous. With wild plants, never rely on a database alone, only on a confident identification.
Alpine Soapwort: what is it used for?
Rated on a scale up to 10: Edible 1/10, Medicinal 2/10, Other uses 4/10.
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