Does cedar apple rust spread to other trees?
Yes. cedar apple rust moves to other trees, which is why one infected tree is a decision about the whole yard rather than about that tree. Disfiguring rather than deadly. It matters most to orchards and to anyone who wants a clean crabapple.
What to check
Orange gelatinous horns on cedar in spring; orange spots on apple and crabapple leaves.
Indiana specifics
Common wherever red cedar has colonised a fence line near apples — which in rural Hendricks and Boone counties is nearly everywhere.
Related
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