Although these plants will grow happily in a border ... Lilies should be planted at three times the depth of the bulb, begonias should be planted just below the surface, and dahlias should ...

Here are the main care requirements for growing hardy begonias or begonia grandis. Grow in partial shade or shade, planting in containers, in the shade of trees or bushes, or as a border plant.

In this video Carol Klein plants exotic bulbs (Peacock flowers) and tubers (Begonias) in early April for late summer colour.

It’s best to allow begonia stems to fall away on their own as breaking them off prematurely can damage a tuber’s growth ring.