Common Soapwort Plant Care
Saponaria officinalis L.
Saponaria officinalis is a common perennial plant from the family Caryophyllaceae. This plant has many common names, including common soapwort, bouncing-bet, crow soap, and soapweed.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
What Is the Common Soapwort?
Common Soapwort (Saponaria officinalis) belongs to the Caryophyllaceae family within the Saponaria genus. Common Soapwort is also known as Soapwort, Bruisewort, Latherwort.
Common Soapwort displays a low spreading groundcover growth habit, reaching up to 0.5 inches tall with a spread of approximately 1.5 inches. Common Soapwort produces small, fragrant pink or white flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Common Soapwort?
Saponaria officinalis requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Common Soapwort Need?
Common Soapwort thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Common Soapwort in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
200–1000 lux
What Temperature and Humidity Does the Common Soapwort Prefer?
Saponaria officinalis grows best at temperatures between 50°F and 75°F. Common Soapwort prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Common Soapwort?
Well-draining, fertile soil with a neutral pH. Good drainage is essential for Common Soapwort to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Common Soapwort?
Divide and replant every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Common Soapwort?
Common Soapwort can be propagated through seeds, division of clumps.
Fertilizing
Every 6 months
During the growing season
Is the Common Soapwort Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Common Soapwort?
Common Soapwort is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Common Soapwort Need?
Common Soapwort grows outdoors in USDA Zone 3a – 9b. In cooler regions, grow Common Soapwort as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 3a – 9b
Keep exploring plants
Common Soapwort is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Saponaria genus — compare its care with other Saponaria species on PlantoScan.
Common Soapwort tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
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