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Posted by Dave in NoVA on October 15, 2009, 8:25 am, in reply to "Re: Washy and ginger questions"
141.161.133.207
Regarding the var. Alpinia. I've read root-hardy to zone 8, so they CAN take some cool (but not freezing) temps. I did have one start to come back in the Spring (outside) -- I had placed a large bag of wood mulch over it all winter. But it died during a cold, wet spell in May. So they are def. not zone 7. -- MAYBE 7B with lots of protection.
OK, so I would probably not think you'd get very good results storing a rhizome. They will be very slow to regrow in Spring. I've had best results digging entire plant and sticking in small pots. I removed a few entire stalks to compensate for loss of roots. I keep them going in my cool garage (45º - 60ºF) with some supplemental light. I've never lost one yet. Keep them somewhat on the dry side. Water enough to maintain foliage.
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