Hi kir. Your pots are not yet ready for the items that Keegan mentioned in his reply, and the in-game messaging is giving you an excellent clue as to what you need to do get them ready. cool Here's another clue:
Click to reveal..
This part of the puzzle is similar to how you prepared the small garden near the apple tree. Similar, but not exact! smile What's the opposite of dry and unfertilized? Once you've taken care of both of those things you'll be able to use the flowers from the Crafting Hut.

Good luck!
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Kathy
Lead Tester
Last Day of Work