Care Remove old and shriveled leaves from the base of the plant. Hardiness USDA zone 8-11. Size 2-3ft high, 2-3ft wide. Buy ...

Scientists used terahertz imaging to study agave plants' water storage. Findings could improve drought-resistant crops.

Waikulu Distillery owner Paul Turner stands in a Makawao field of blue agave plants Wednesday morning while describing the process of farming and distilling his premium agave spirit on Maui.

Researchers used terahertz spectroscopy and imaging to gain new insights into how agave plants are so remarkably adept at retaining water in extremely dry environments.