Mandevilla Plants
Q.

My mandevilla vine’s blooms just fall off

Zone Nashville, TN | carolepaine added on April 19, 2015 | Answered

The blooms never open up and just fall off.

A.
A.Answers to this queston: Add Answer
shelley
Certified GKH Gardening Expert
Answered on April 19, 2015

The cause could be cultural (watering, fertilizing, etc.) or improper site conditions. I would review the following article to ensure your mandevilla's needs are being met:
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-plant.htm

Temperature could also be to blame - specifically temperatures that are too cool. Has your plant been exposed to cold temperatures (below 50F)?

Are there any signs of an insect infestation, such as aphids? Information on aphids can be found here: https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm

For information on how to get a mandevilla to bloom, please visit the following link:
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/getting-mandevilla-to-bloom.htm

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