About
Senna corymbosa, the Argentine senna, is an attractive, semi-evergreen shrub to 2.5 m producing pinnate leaves with up to 6 pairs of bright-green leaflets and masses of deep-yellow, rounded flowers from summer to autumn. A rewarding and showy shrub for a sheltered, sunny, frost-free wall 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.