My Columbine Plants Do Not Flower

Question

Live in southern Ca.  They’re planted in sunlight. Growing very well but no flowers or buds.

Answer 1

They may be lacking in phosphorous. Adding bone meal to the soil will help to add phosphorous to the soil.

Here is an article that has some other suggestions as well on why they may not be blooming:
https://www.gardeningknowhow.com/plant-problems/environmental/plant-not-blooming.htm