Since the pre-Seasons patch in 2018 (version 1.44.77.1020 PC), the Evolve interaction for plants was made immediate, as said in the patch notes below:
Gardening Evolution has been streamlined to ...
Ideas
There's no tags in replies. Just stating is fine :D
Were the not able to evolve at all before the bug fix and now it's just the instant that doesn't work ?
It's just the instant, I can evolve them, but it takes more time to do so.