Q.What Causes a Mandevilla to Lose Its Buds?
I have kept it watered and fertilized with Miracle Gro.

Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 3, 2011
It may have thrips. This article will help with that:
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm
It also would not hurt to increase watering. While you are watering, it may simply not be enough for the plant.
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