hibiscus plant

Question

My plant is full of buds, but right before they open, the green healthy looking buds fall off the plant. The plant is planted in the soil, not a pot.

Answer 1

What you describe is often caused by insect problems. Here are more details:

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
https://www.gardeningknowhow.com/plant-problems/pests/insects/blossom-midge-in-plants.htm