Q.When Can I Move Overwintered Geraniums Outside, Pittsburgh PA, Zone 6B
I saved my geraniums overwinter in a cool basement. they look healthy, with lots of new sprouts and leaves. How soon cdan I put them outside again in my window boxes? Pittsburgh PA Zone 6B . Nominal last frost date May 15 But everything seems earlier this year? I would be willing to cover them if threatened by frost. thank you! Francisca

Certified GKH Gardening Expert
It depends on the type of Geraniums that you have. Some can stand temperatures under 50 degrees, and some cannot. Generally, once the soil stays above 50 degrees, you can plant any of them out.
Here is a collection of articles that will offer information on the broad range of Geraniums, and their care:
https://www.gardeningknowhow.com/category/ornamental/flowers/geranium