Fountain Grass
Q.

Fountain grass in Iowa

Anonymous added on November 14, 2017 | Answered

I know that fountain grass will not survive our winter, but am wondering if I have to dig it up or just cut it off at ground level?

A.
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MichiganDot
Answered on November 15, 2017

Pennisetum is perennial in zones 5-9. I would not rule out surviving in zone 4, particularly if there is snow cover during the coldest days. I suggest you cut it down to 6 inches then use the cut grass as a mulch over the plant crown. It it doesn't survive, you'll want to dig it up as it will take several years for it to compost down.

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