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tanyuu

Transition now or later?

tanyuu
11 years ago

I have a small metal greenhouse outside against a south-facing wall. I've been considering using it to transition my more stout seedlings (like my lavender and zinnias), but temperatures here are doing the ol' Indiana rollercoaster. I live at the

What lows (temperature-wise) should I look for at night to know it's safe to leave my seedlings out there? I'm afraid the metal might not insulate well against lows below 50.