Penstemon | Raven Cut flower garden Mulch soil well

Mulch soil well

When grown outside it is hardy down to zero but will not survive prolonged freezing temperatures

Smaller plants may require staking due to the size of their huge flower heads

popping new stems up in the middle of shrubs and perennial clumps and towering over them

You can line the bottom of cake tins with leaves before cooking for an interesting flavour

Penstemon | Raven Cut flower garden Mulch soil wellPenstemon Raven is an elegant perennial that has stunning dark, deep dramatic claret burgundy coloured flowers with a dark throat in a similar shape to a foxglove. Be sure to remove the faded flowers regularly to prolong flowering. Apply a mulch around the base of the plant to protect the roots from frost damage and cut back the plant in spring when new shoots appear low down at the base. This easy to grow perennial will quickly form large, leafy