My white Arum lilies had beautiful blooms, but for the past 2 years they are not flowering and the leaves have large brown/yellow holes in them. Could you please advise?
Certified GKH Gardening Expert
Arum lilies can sometimes be tricky to get to rebloom. This article will help you (Calla is another name for Arum): https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/make-calla-lily-bloom.htm