The Q&A Archives: Non-blooming Trumpet Vine

Question: Our trumpet vine did not bloom last year. It is very old and has always bloomed. It is in full sun and we did not do anything different to it last year. How can I get it to bloom?

Answer: Trumpet vines are vigorous plants that almost always perform well in sunny to partly sunny sites. If you didn't prune the plant back hard in mid-summer, there's really no reason for it not to set blossom buds and bloom. If the plant freezes to the ground in the winter it seems to sprout even more vigorously the following spring. Try thinning out some of the older stems of your trumpet vine now, to encourage new growth that will bloom in August or September. Don't fertilize the plant, but do water it regularly.

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