Astilbe Plants
Q.

astilbe

Zone 56071 | zgunther9 added on November 15, 2015 | Answered

I have 2 in large pots and live in central Minnesota. Can I just put them in the garage and should I water them and cut them back?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on November 17, 2015

Let the plants die back naturally.
When they have gone dormant you can dress the top of the pots with a layer of leaves or some hardwood mulch. This will help with moisture retention.
When they have gone dormant you can move them to the garage.
Check the pots once a month to make sure the soil has not completely dried out. You can add a small amount of moisture if needed.
The key to wintering is to make sure the temperature stays quite constant.
Not cold, then thawing.
https://www.gardeningknowhow.com/ornamental/flowers/astilbe/growing-astilbe-plants.htm

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