Saponaria ocymoides (Rock Soapwort)

Saponaria ocymoides, commonly known as Rock Soapwort, is a low-growing, spreading perennial ideal for ground cover or rock gardens. It forms a dense mat of small, oval, bright green leaves. In late spring and early summer, it produces a profusion of small, star-shaped, pink to rosy-red flowers that cover the plant, creating a carpet of color. This hardy and vigorous plant is perfect for cascading over walls, filling crevices, or softening the edges of pathways.

Saponaria ocymoides thrives in well-drained, moderately fertile soils and is drought-tolerant once established, making it an excellent choice for xeriscaping or areas with poor soil. It is low-maintenance and deer-resistant, making it a reliable and versatile addition to gardens. Deadheading spent flowers can encourage prolonged blooming and maintain a tidy appearance. Pair it with other rock garden plants such as sedums, thyme, or dianthus for a stunning, textured display. Its cascading habit also makes it an excellent choice for container plantings or draping over retaining walls.

Sun Requirements:

Full Sun to Partial Shade. Prefers full sun for the best flowering but tolerates partial shade, especially in warmer climates.

Maximum Growth Height:

4–8 inches (10–20 cm), with a spread of 12–24 inches (30–60 cm), making it an excellent ground cover.

Bloom Month:

May to June. Blooms in late spring to early summer, with flowers lasting several weeks.