Food and other economically important plants in the Crops of the World Garden are arranged geographically by place of wild origin. Most of the plants featured are edibles—fruits, grains, vegetables, and herbs. A few are valuable for other purposes, such as mulberry trees as silkworm food and cork oaks as a source for cork. Six signs found throughout the area identify the geographical origin of the plants in that area, list some sample plants, and share important ideas in crop cultivation:

• Asia: Trade and Crop Plant Dispersal
• Europe: Plant Domestication and Families
• North America: Pollinators and Their Importance
• South America: Biodiversity and the Preservation of Varieties
• Mexico/Central America: Polyculture vs. Monoculture Farming
• Africa: Sustainable Gardening Practices