Penstemon Sour Grapes 3 Litre Pot
Penstemon or commonly known as beardtongue are an easy perennial to grow especially for the non-gardners that would like to plant and watch. Other than that you can sit back and enjoy the gorgeous flowers that they produce in late summer going into autumn.
They like nice free draining soil, can have a little shade to full sun if possible each spring when you see the new shoots trim back the old ones.f in a sheltered site you might be able to enjoy flowers in October. If in a really cold region we do suggest to mulch over with bark or compost.
Penstemon Sour Grapes are a fantastic perennial with lance-shaped leaves and dense panicles of tubular, two-lipped, purple and blue flowers with a white throat. Height can reach 1m