Q.Crab Apple Trees
Can you plant a snow drift crabapple tree next to a prairie fire crab apple tree in indiana . Thank you

Certified GKH Gardening Expert
Yes. Make sure you space them far enough to accommodate their canopy spreads. If you have an apple tree they will help with pollination.
Here is more:
https://www.gardeningknowhow.com/garden-how-to/gardening-by-zone/zone-6/zone-6-flowering-trees.htm
https://www.gardeningknowhow.com/ornamental/trees/crabapple/do-crabapple-trees-produce-fruit.htm
https://treefruit.wsu.edu/web-article/apple-pollination/
https://www.canr.msu.edu/resources/crabapple_selection_guide_e2177