What To Do With Poppies After Flowering Uk. The annual poppies will flower for longer if they are deadheaded after flowering to remove the developing seed heads. 24042020 Cutting back clumps of spring-flowering perennials can encourage a fresh flush of foliage.
If you repeatedly leave clippings in the garden pests and disease are more likely to. They can leave quite a big gap in a herbaceous border though. It is native in damp woodlands in South West England and Wales but widespread in many other places as a garden escapee.
They can leave quite a big gap in a herbaceous border though.
04042017 Pruning and cutting back Oriental poppies. 01082015 Opium poppies will die following flowering so i would leave the seed heads as they look good until the leaves go brown. Trim off any dead leaves or stalks but leave 2 to 3 inches of foliage above the crown. Poppies arent particular about their soil but they are fussy about drainage.