Q.Catalpa tree has no blooms
Why is it that my 5 year old Catalpa tree has no blooms? I planted it from seed. It is in the shade. I live on Hilton Head Island. It is 30 ft and full of leaves.
Downtoearthdigs
Answered on July 13, 2016
You can try adding phosphorous in the early spring to encourage buds to form.
Bone Meal is a good way to do this.
Here is a few links for you with more information and you can review the growing conditions.
https://www.gardeningknowhow.com/ornamental/trees/catalpa/catalpa-tree-planting.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm
https://plants.usda.gov/plantguide/pdf/pg_cabi8.pdf
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