In October nights draw in, the sun weakens and the garden takes on Autumn colours. It's a perfect time to tidy up, execute any re-planning or planting before…
They are frost tender, min 10C and will need partial shade and humus-rich, well drained soil. They will die down in late autumn or winter; then keep the rhizomes nearly dry.
You can propagate by division or seeds in the spring or by stem or leaf cuttings in the summer.
Pests, diseases or disorders
Vine weevils and mildew