Q.hibiscus
l have bought a hibiscus tree and it is has produced lots of buds, but they are not opening. They just die and drop off. Can you advise me of the problem?
Regards

Certified GKH Gardening Expert
It could be a number of insects, but thrips or gall midge are most common pests that affect the buds. These articles may help:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-flowers-hibiscus-blossoms-falling-off-plant.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm