Aztec Chinampa Garden Agriculture

Timeline

1. c. 1200–1325Lake Texcoco and Xochimilco area · Valley of MexicoLake-basin settlements built cultivable plots in shallows using enclosures and lake mud, providing a technological prototype and accumulated experience for later capital agriculture.
2. c. 1401–1410Lakeshore around Tenochtitlan · Valley of MexicoGrowth of the capital's population pushed the floating gardens out into the lake bays; the Mexica systematically planned channels and enclosures, supporting the city's food supply with maize, beans, amaranth, and other crops.
3. 1428–1519Valley of Mexico · MexicoAfter imperial expansion, chinampa output became the core of tribute and market trade, and the floating-garden system reached its peak of scale and organized management.