Nonflowering Cosmos - Knowledgebase Question

Nyack, NY
Question by PKKP99
July 18, 1999
I have planted six cosmos plants in my garden and the plants themselves are thriving. They've grown very tall and bushy - yet they have absolutely no buds on them at all and seem like they will not flower. (I planted another set of cosmos elsewhere in the garden and they are flowering beautifully.) What should I do?


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Answer from NGA
July 18, 1999

0

There are several explanations for this. It is possible that you have planted two different types of cosmos or that the growing conditions are slightly different -- the nonbloomer may be in a cooler or shadier location or growing in a richer soil. In any case, they will most likely bloom eventually. Since the plants are growing well and since excess nitrogen can encourage more foliage and delay blooming, do not be tempted to use extra fertilizer to make the plants bloom. Unfortunately, all I can suggest is patience.

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