Catalpa Trees
Q.

Catalpa tree has no blooms

Zone Hilton Head Island | Anonymous added on July 12, 2016 | Answered

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.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
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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