Hey @metal_man,

Although you chose the right board to ask a question, next time make sure to create your own thread by clicking "Create New Topic" so that you aren't asking an unrelated question in someone else's thread! xP

To answer your question, there's no way in-game to see a plant's growth rate. But you can search the Wiki for a specific seed (such as "evolution fruit seed") to see info on its growth rate.

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Also @Komodo, can you answer Lycan's question?

Edit: I got his answer, which is yes!