Cherry blossom leaves do not have any change when within a cold climate biome while it snows unlike the other leaves. As of looking up for any live bug report already, I found one for azalea leaves but that is apparently intentional, but not sure if this is also intentional or hasn't been done yet as it's still a feature in development.
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[Mod] EVGENSYPERPRO
Thank you for your report!
We're tracking this issue in MCPE-168031, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
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