EDIT: I've started gathering data on the sample prices of the items in the cultivation menu, which seem to have changed recently.
Here's what I know so far: docs.google.com/spreadsheet...
If you want to help please let me know the prices of the items as you see them. I also need to know whether an item is placed or not! An example entry would be:
Back yard:
Patch 632 placed
Dirt 474 placed
Herb Sm 665
Crop Sm 665
Rock Dull 1064
Rock Beryl 1330
Barnacles 399
Jellisac 474 placed
Peat 632 placed
Herb Med 1596
Crop Med 1596
Fireflies 931
Rock Metal 1896 placed
Rock Spark 1995
Herb Lg 3160 placed
Crop Lg 3160 placed
Front Yard:
Patch 1331 placed
Dirt 998 placed
Herb Sm 1538
Crop Sm 1663 placed
Rock Dull 2661 placed
Rock Beryl 3326 placed
Barnacles 998 placed
Jellisac 998 placed
Peat 1331 placed
Herb Med 3992 placed
Crop Med 3692
Fireflies 2503 placed
Rock Metal 3992 placed
Rock Spark 4990 placed
Herb Lg 6153
Crop Lg 6153