Tuesday, September 16, 2008

Calla Lillies Won't Bloom

Why are my calla lillies not blooming? They are 3 feet tall but have no flowers.

-- Ann

Anne’s Response:

Calla lillies need sun, not too much nitrogen fertilizer and a rich loamy soil. Bulbs that are planted too deeply do not bloom as well. The bulb is planted no deeper than three times its height in the ground. They need a protective mulch in the fall to reduce the danger of cold damage. Some callas are not completely hardy in this area of North Carolina so yours may be able to have survival of foliage but not the bloom.

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