University of Wisconsin-Madison | Botany Plant Growth Facilities

Botanical Garden

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Genus: Saponaria Species: ocymoides Common Name: Rock Soapwort Family: Caryophyllaceae Order: Caryophyllales Native: Southwest and southcentral Europe Habit: Herbaceous Perennial Height: 0.5 to 1 foot Width: 1 to 2 feet Flowering Season: Spring to Summer Flower Color: White, purple or red Propagation: Seed or division Zone: 4-8 Note: This plant is suitable for borders, beds and ornamental perennial gardens. Prefers sunny, fairly dry, well-drained, sandy-ordinary garden soil.