Azalea Flower

Question

The flower heads on my shrubs are not opening, giving them the appearance of claws. I cannot see any obvious sign of insect infestation.

Answer 1

It sounds as though the plant is lacking phosphorus. This would cause the plant to stop blooming. Add some phosphorus to the soil. This article will help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm

This artilce will help determine if there is a problem with your azalea: https://www.gardeningknowhow.com/ornamental/shrubs/azalea/common-azalea-problems.htm