Trumpet Vine - Knowledgebase Question

Littleton, Co
Question by acnmassage
August 10, 2009
My 4 year old trumpet vine did not produce any flowers this year for the first time. I also purchased two new ones and they did not produce any blooms. I intended to have these available for the hummingbirds this summer. What is the problem. Thank you for any suggestions.

Answer from NGA
August 10, 2009


Trumpet vines flower on new growth so pruning them back each spring will encourage lots of new flowering growth. They need sunshine and warmth in order to perform well - sometimes weather doesn't cooperate. And, they can sometimes take 3-4 years to establish before they will flower, which may be what's happening with your new trumpet vines. I would simply keep them well watered this summer, prune them back next spring and lightly feed in the spring with a 5-10-10 to promote flowering. Best wishes with your trumpet vines.

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