Glossary of Terms
W
water conservation
Strategies and technologies used to reduce water usage and waste in gardening and agriculture. Learn more.
water infiltration
The process by which water enters and moves downward through the soil surface. Learn more.
watershed
An area of land that drains all rainfall and runoff into a common outlet such as a river or lake. Learn more.
whitefly
Small, sap-sucking insects that excrete honeydew and transmit plant viruses, common in greenhouses. Learn more.
whorl
a circular arrangement of three or more leaves, petals, or other organs at the same node. Learn more.
winter sowing
Sowing seeds outdoors in covered containers during winter for natural stratification. Learn more.