I have exotic Arum Lilies in containers that produce plenty of luscious foliage but do not bloom. I live in Waterfall, Natal. What do I do to encourage flowering?
Exotic Calla Lilies
Certified GKH Gardening Expert
Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/make-calla-lily-bloom.htm
Try hi-yield bulb food (Hi-Yield American Dutch Bulb Food) which has a 7-8-5 (n-p-k) ratio or bone meal (0-10-0).