Please Explain: Weeds
The Leonard Lopate Show | Jul 21, 2011
Weeds pop up in lawns and gardens and even in cracks in sidewalks. Lars Anderson, plant physiologist with the USDA-Agricultural Research Service on the campus of UC Davis; and Kristin Schleiter, Curator of Outdoor Gardens and Herbaceous Collections at the New York Botanical Garden, look at the wide variety of weeds, why they seem to thrive everywhere, and ways to eliminate—or accept—them.
