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Home > 'Pruning Penstemons'

'Pruning Penstemons'

Thompson & Morgan Facebook Question and Answer Session February 10th 2012

…Question: Question for Sue: My Penstemons have been flowering until a couple of weeks ago. Should I cut them down? And if so, how far? Also, I have a small blackcurrant, should I prune that? Thanks Answer: Hi Kay. It's a good idea to leave the old foliage of your penstemon intact until spring to…

What to do in the garden in August

…As your Penstemon flowers fade, cut them back to just above a leaf to encourage more flowers. * • Cut back herbs now to encourage a new flush of tasty leaves you can harvest before the frost. * • Prune summer flowering shrubs once they have finished blooming. * • Prune your Wisteria…

What to do in the garden in May

…let them die down naturally. * • To reduce the spread of forget-me-not, lift the plants now to prevent heavy self-seeding. * • Prune your Penstemons now - cut all the old shoots back to the base provided there is new growth at the bottom of the plant. If there are no new shoots at the…

What to do in the garden in September

…perennials to extend their performance. * • Keep dead-heading your Penstemons, Dahlias and Roses to prolong flowering. * • Prune any late-summer flowering shrubs such as the rock rose (Helianthemum). * • Prune climbing roses and rambling roses once they've finished flowering (unless…

What to do in the garden in April

…Check any tree ties to make sure the tie is not cutting into the trunk. Loosen any that are tight to allow the trunk room to expand. * • Prune your Penstemons now - cut all the old shoots back to the base provided there is new growth at the bottom of the plant. If there are no new shoots at the…

What to do in the garden in July

…five leaves. * • Prune your plum, apricot, peach and cherry trees now. Pruning these species in the summer reduces the risk of these trees getting silver leaf disease. * • If you've trained your apples and pears as cordons, fans or espaliers, give them their summer prune now to maintain a…