Overwintering pennesetum setaceum???

Lori_MA(5b,6a)September 7, 2005

I'm new to OG's, but love how they look. I have two pennesetum setaceum rubrum in gallon containers. This OG is for Zone 9, not 5-6 where I live. I plan to bring them in the house when it starts to get below 40 degrees. Should I cut them back now and put them in a cool place or should I leave them tall in a window until next spring? Thanks for any suggestions.

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jroot(5A Ont. Canada (near Guelph))

To the best of my knowledge, no one has been able to overwinter this (Purple Fountain Grass) unless they were in a green house. Many of my friends, and I have tried to bring them indoors to keep in the light but they died. We also tried to keep it in a cool cellar and let it go dormant but it died. Your best bet, as I do and most of my friends do, is to treat it like an annual and replace it from the green house.

Sorry for the depressing news, but I use my valuable space with things I know will come back.

    Bookmark   September 8, 2005 at 6:15PM
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pam_aa(z5 Berwyn Il.)

Like I stated in another forum, I have over wintered purple fountain grass pretty successfully. I dig it up, cut it way back, and divide it. I pot up quart size pieces and put them in a cool basement under lights before mid Oct. Keep on the dry side. They grow fairly slowly (maybe a hair cut or two) until they are brought to warmer temps. I bet they would be ok in cool (30-40F) dormant situation too if they are cut back and kept mostly dry.

    Bookmark   September 26, 2005 at 4:04PM
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I am in zone 7b/8a in NC and have it in a pot. It is considered an annual here also but I am going to experiment with it this year and try and keep it over the winter in an unheated garage and protect it when temps go below freezing.

    Bookmark   October 13, 2005 at 11:28PM
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monkeydo56(z8/Fort Worth)

I just bought this gorgeous grass two days ago at the local HD. I thought it was perennial in my zone per the HD worker. I guess she was wrong per all the postings on this site. SOOOOOO....should I just leave them in their store-bought containers (quart-size) and try them in the garage for overwintering with a couple of light waterings to keep the roots from drying out? Has ANYONE had any success with this method from my zone?

    Bookmark   October 18, 2005 at 8:13PM
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