No Blooms

Question

My ten year old “sweet sixteen” apple tree will not bloom. It is growing vigorously.

Answer 1

This may be due to excess nitrogen in the soil, or lack of phosphorus and potassium. I would test your soil, and amend as necessary.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm

https://www.gardeningknowhow.com/edible/fruits/apples/apple-tree-feeding.htm

https://www.gardeningknowhow.com/edible/fruits/apples