Re: Donetta
Mari,
With such low heat and with modest indoor lights, you can sustain the plants and have them create maybe 2 new leaves a month. The new leaves get smaller and less wide the longer they are inside. My larger plants always look healthy going indoors but they look smaller and less healthy come spring.
I personally dig up my edible bananas when the over night low temp is predicted to be in the upper 30s. This is when I start to see signs of leaf damage. For my basjoo, I let them grow until first frost and then cut and cover with mulch.
Good luck!
Erik
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