About

Penthorum sedoides, the American ditch stonecrop, is a moisture-loving perennial producing upright, branching stems with lance-shaped, toothed leaves and arching, scorpioid cymes of small, greenish-white flowers in summer. A rewarding plant for a moist border or bog garden.

About the genus

Penthorum are moisture-loving perennials with lance-shaped, toothed leaves and arching cymes of small flowers. Native to eastern North America and eastern Asia, they are grown in moist borders and bog gardens.

Plant details

Suggested usesBorders, containers, mixed plantings.

Care notes

CultivationPlant in well-drained soil. Water during establishment.
PruningRemove dead growth as needed.
PropagationPropagate by division, cuttings, or seed.
Pest resistanceGenerally pest-free.
Disease resistanceGenerally disease-resistant.