Pruning Hardy red Luna hibiscus

I read an article you posted about pruning Hardy red hibiscus in the spring, down to the ground. Does this mean literally to the ground below the cluster where the branches all break off, or just above the ground and this cluster in order to keep the bases of each of those branches?
I just bought one and live in southern MN. I will plant it soon and it will be outside over winter so I will try to apply mulch around the base before snow. Just wondering Mai ly how far to prune, if needed.
Thanks

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1 Comment To "Pruning Hardy red Luna hibiscus"

#1 Comment By Downtoearthdigs On 07/29/2019 @ 7:00 am

In your area, this thing will struggle to survive winter, even with covering. I would recommend burlap, heavy mulching, anything that it a HEAVY insulator. These are hardy to zone 5, and you are in zone 4.

With this being said, It may not get huge. More than likely it will die back to the ground anyway, coming up from brand new fresh growth each year… With heavy protection in the winter that is.

However, with very heavy protection, and leaving some of the stump, you may successfully keep some old growth alive. This will allow for a larger shrub

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