Calla Lily Plants

Overwintering in Pots

Anonymous added on April 9, 2011 | Answered

I planted some calla lilies in a pot for the summer. To overwinter them, I placed the pot in my greenhouse on a bottom shelf and did not water. The greenhouse is heated but it will still drop down around the freezing mark (I'm in Zone 5). I checked on them yesterday and the bulbs have all rotted. What is the best way to overwinter them in pots? Do I still need to lift the bulbs?

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Certified GKH Gardening Expert
Answered on April 10, 2011
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