Perennial Sweet Pea Care - Knowledgebase Question

Mariposa, CA
Question by mityms
June 30, 2001
I have some perennial sweet peas that put on a lovely show this spring and are now going to seed. Question is, should I cut the plants back in the fall (or now?) or allow the old growth to accumulate? Thanks! Lene'


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Answer from NGA
June 30, 2001

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Perennial sweet peas will produce flowers all summer long if you regularly remove the faded flowers. Once the plant is allowed to set seeds, new growth stops. Go ahead and cut the plant back now - it will resprout and grow until killed back by frost. You can save the seeds and begin new plants, if you wish. As the flower petals begin to wilt and drop off, if you remember to remove the entire flowering stem, you'll promote new flowers and prolong the bloom time of your sweet peas.

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