The Almanac: an interactive object that, given a location, makes garden almanac for it.
Here's a document talking about the almanac.
The Plants: a database of plants, giving cultivation information, mostly courtesy of the USDA. Give it a plant name, find out how it grows.
Here's a document talking about the plants database.
The Recipies: a ginormous searchable cookbook.
Here's a document talking about the recipes database.
The Microcultures: a culinary culture is just a collection of recipes-- in a place, with the ingredients of that place, embedded in the seasons.
Here's a document talking about the cultures database.