Board Thread:Plants vs. Zombies 2/@comment-35198094-20181008185118/@comment-35198094-20181023114343

Use it to instant recharge by pressing and dragging the plant food ONTO Pepper-mint's seed packet. Mints don't have plant food effects.

If you can't do that, get the upgrade that allows you to do that. I think it's in Pirate Seas or Wild West.