how to bloom a zantedeschia rehmanni

From: tychen at ippfwhr.org on 1997.02.12 at 20:15:33(343) dear aroiders, every year i grow a pink calla (z. rehmanni) in my south windowsill. although it grows, it never blooms. can anyone offer a suggestion or culture instruction to induce blooming? thanks a lot. tsuh yang chen, new york city

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