What to do before moving them back outdoors? Do I pinch it back when I put it outside? Never bloomed inside during the winter. Thanks, bert
Yes, you can pinch before putting it outside, but it's best to pinch before the flower buds begin to form.
Here is an article with guidelines on how to pinch your geranium:
You will also want to transition your geranium to outdoor life. Here is an article on how to acclimate your houseplant to the outdoors: