I live in the south and grow a varity of lilies. Here are the tips I know:
1.Calla lily bulbs are known as rhizomes (tubular instead of round).
2.Plant outdoors when night temperatures remain above 40 degrees or the last frost passes.
3.If you have had them in storage make sure they are firm to the touch. Soft, limp, or dry rhizomes will only produce leaves the first year. (This applies to Iris' also).
4.Dry rot can attack stored rhizomes. Discard if they are dry and crumbly. Soak the rest in a mild fungicide for about 6 hours as a preventive measure.
5.Plant in full sun to partial shade. Most lilies like a little shade.
6.Store in the refrigerator in a paper bag away from fruits. They need a cold dormant "season".
7.You can start them in pots and transfer them outdoors after the last frost.
8.To plant loosen soil to 8" and add compost.
9.Dig a hole 3" deep and lay rhizomes eyes up horizonally. Space about 8" apart.
10.Cover with soil and firm gently. Water and add a thick layer of mulch.
11.Keep well watered, but not constantly wet as they will rot.
12.Fertilize monthly and deadhead, cutting off all faded or dead flowers to keep the plant blooming longer.
13.To increase your stock of Callas, cut rhizomes into several pieces, making sure each piece has eyes.
(this applies to Iris' as well).
Hope this helps you and hope to see some pictures when they bloom. Good luck!
Edited by: MOSIERMEISTER at: 1/27/2009 (10:15)
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