Do I need to treat them for bugs first? They look very healthy and green now.
How to Best Move Three Med. Size Potted Trees Inside for Winter
Certified GKH Gardening Expert
I would treat them for pests as small pests can hide in the leaves and it just takes a few to create a population once they are inside.
If possible, you may want to consider acclimating the plants as well. This article will help with that: