Calla Lilly - Knowledgebase Question

Sterling Heights, Mi
Question by mysticmom512
February 22, 2009
I planted Calla Lillies 2 years ago. The first year they bloomed beautifully, the second year all I got was green foliage no flowers can you tell me why? These bulbs were left in the ground and I am in Michigan. What can I do for them to bloom again this season?


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Answer from NGA
February 22, 2009

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Calla lilies should perform well in your garden, especially if they're planted in a shady bed (morning sun is okay, but afternoon shade is a must), in rich, moist soil. Calla's thrive on heavy watering so soak the soil every few days to keep it moist. Don't cut the foliage back, but let it yellow on its own. Callas go into a dormant period after blooming so if you water less frequently beginning late summer, the foliage will die back and the roots can rest. This is when the roots should be dug and stored in a protected place over the winter months. You can grow your callas in pots sunk into the ground, but they will still need to be dug and stored over the winter. New shoots will develop from the crowns of the plants when they've finished resting and you can replant them in the garden at that time. The easiest way to feed your calla's is to mulch the plants with 1"-2" of aged-compost. As the organic matter decomposes, it will provide nutrients to your plants. Hope this answers your questions.

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