how much bone meal to feed a non-blooming calla lily?

Question

They have a lot of green follage. I am feeding them with a blooming fertilizer.

Answer 1

You don't want to overfertilize your plant. That can prevent blooming. Your calla lily may need a dormant period to bloom. Here is how:

https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/make-calla-lily-bloom.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm