Plant Kingdom

What Is the Three-Field System of Farming?

Where Does Cabbage Come From? From Wild Plant to Global Crop

Where Do Pistachios Come From and How They Grow

Where Is Squash From? Ancient Origins in Mexico

Where Does Jasmine Come From? Native Range & History

Where Does Olive Oil Come From: From Tree to Bottle

Where Does Cumin Come From? Origins and Growing Regions

What to Do With Chia Plants: Harvest, Eat & Grow

Where Are Yams From? Africa, Asia & the Americas

The Signals That Tell Trees to Prepare for Winter