Trumpet Vine Not Blooming - Knowledgebase Question

Roseville, CA
Avatar for western9
Question by western9
October 26, 2002
I planted 2 trumpet vines last year--they are outside, against a wall,in pots---nice and green but growing slow and no buds. I remember my grandmas house in Sacramento having them all over the front and she did nothing to them. Any suggestions? Fertilize? Take out of pots? Deeper soil?HELP. Thank U ,Karen

Answer from NGA
October 26, 2002
Brugmansia (trumpet vines) are natives of South America. Moderately warm temperatures all year around make them especially happy. They can be grown in your Central California garden, but will be damaged by frost. To complicate matters, some trumpet vines will refuse to bloom if summer weather is hot (and yours can be). Without knowing exactly which trumpet vine you're growing, it's difficult to tell why it isn't blooming. In general terms, trumpet vines like full sun to full shade, grow well in average soil, should be watered regularly and fed infrequently. If yours isn't blooming, they may simply need to be pruned (because they bloom on new wood). At this point, continue to water deeply each time you water, and wait until leaf buds begin to swell in the spring. When they do, prune the plants to encourage new stem growth, which should produce flowers all summer long. Best wishes with your trumpet vines!

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