Mandevilla Blossoms Fall Off

I have a yellow mandevilla. It looks very healthy, but the blossoms start to open, and then they fall off. I don’t see any pests.

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1 Comment To "Mandevilla Blossoms Fall Off"

#1 Comment By Heather On 11/17/2010 @ 1:31 pm

It could be that it is just a little underwatered, just enough so that it can’t support its flowers and so it drops them.

It could also be that you have thrips. These are tiny pests that attack the base of buds and cause them to fall off. They can be very hard to see.

I would recommend increasing water just a bit and also treat the plant for thrips. This article will help:
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm ^[1]

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