Cardinal lobelia

What do I need to do to winter over this plant? I’ve been reading all kinds of articles and no one mentions what to do to try to winter over this plant. I am in zone 5a. Should I cut it back to 2-3 inches cover with hay and pray it comes back next year?

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1 Comment To "Cardinal lobelia"

#1 Comment By theficuswrangler On 09/21/2014 @ 8:58 pm

This article should answer your question: https://www.gardeningknowhow.com/ornamental/flowers/cardinal-flower/growing-cardinal-flowers.htm ^[1]

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