The most common reasons for non-blooming are tubers that haven't reached bloom size yet, too much nitrogen and not enough sunlight. Here is an article that discusses the issue: https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/make-calla-lily-bloom.htm
Answered on August 30, 2018
Was this answer useful?00
Looking for more?
here are more questions about...Calla Lily Plants