
B.colvilei is known for its relatively large rich pink bell-shaped flowers - much larger than any other species that I know of. This is a very rare form with large greyish felted leaves up to 20cm long, and is descended from a plant that used to grow against the house at Borde Hill.

The flowers appear in mid spring on the previous year's growth and can get frosted off in bud, so a very sheltered situation is required in all but the warmest areas.
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