Sesuvium portulacastrum (Sea Purslane)

Plant Profile

Sesuvium portulacastrum, commonly known as Sea Purslane, is a succulent, sprawling perennial herb native to coastal regions worldwide. It features fleshy, linear to lanceolate leaves on reddish stems that root at the nodes, forming dense mats. Small, star-shaped pink to purple flowers bloom throughout the growing season. Highly salt-tolerant, it thrives in sandy, saline soils.

Key Characteristics

• Family: Aizoaceae (ay-zoh-AY-see-ee)
• Genus: Sesuvium (ses-OO-vee-um)
• Species: portulacastrum (port-yoo-luh-KAS-trum)

Growing Conditions

Requires full sun and well-drained, sandy soil. Extremely tolerant of salt spray, saline soils, and drought. Hardy in USDA zones 8–11. In cooler climates, it can be grown as an annual or in containers.

Landscape Uses

Ideal for coastal gardens, dune stabilization, salt-tolerant landscapes, and rock gardens. Edible leaves are sometimes used as a salad green (ensure clean harvest area).

Maintenance

Virtually maintenance-free once established. Trim to control spread if needed. No significant pests or diseases.