About

Senna septentrionalis, the hedge senna, is a sprawling shrub producing pinnate leaves and racemes of bright-yellow flowers from summer to autumn. A rewarding and ornamental shrub for a sunny, warm, frost-free border or large conservatory.

About the genus

Senna are trees, shrubs and perennials producing alternate, pinnate leaves and racemes or panicles of five-petalled, usually bright-yellow flowers, followed by seed pods. Rewarding plants for warm, frost-free gardens and large conservatories.

Plant details

Suggested usesBedding, containers, hanging baskets.

Care notes

CultivationPlant after last frost in fertile soil.
PruningDeadhead regularly.
PropagationGrow from seed in spring.
Pest resistanceGenerally pest-free.
Disease resistanceGenerally disease-resistant.