Easy Weed Control, Whitefly and Harvesting Root Crops

Ellen and C.L. talk about the insect pest known as whitefly, and discuss several ways of controlling summer weeds. We end by answering Robie's question about how to know when an underground crop is ready for harvesting. :30  Plant Noob: Whitefly. What this insect is, what it does, and which plants it often attacks.         7:46  Eat/Drink/Grow:  Weeds: No Easy Way Out!   Various methods of weed control. 18:20  Love Letters and Questions Robie asks how you know when to harvest potatoes.