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Ozarks Gardening

Hardening off question

21 years ago

I have a bunch of Rose Mallow hibiscus seedlings that are around 5 inches high now. When is it safe to put them in my outdoor unheated greenhouse to harden off? I did post in the Hibiscus forum, but didn't get any help. I am in Central MO zone 5b. Thanks.

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Comments (2)

bigred
21 years ago
When's your last predicted frost date?

Seedlings I start inside go into the lean-to first for a couple weeks(usually first or second week in Feb.) then to the big greenhouse on a bench close to the door which I usually start leaving open in March so the breeze can strengthen the stems. After a couple weeks,outside in a location that gets morning sun/afternoon shade for 3-7 days.

PP
HotHouseHen
Original Author
21 years ago
BigRed,
My last frost date is supposed to be April 15th. I have an unheated plastic greenhouse that is on the south side of my house and has one mesh window that I leave open and I unzip the door on really warm days.
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