Diatomaceous earth: The sharp surfaces cut through the insect cuticle and the insect dies of dehydration. Diatomaceous earth kills slugs, snails and ants, but should be applied only to problem areas ...
Wetlands managers have spent years using fire and chemicals to fight phragmites, an invasive reed that chokes everything else out. But coaxing native plants to move back in is difficult.
When Vancouver resident James Lanz and his wife, Kate Ketcham, moved into their Cascade Park home nearly seven years ago, one of the first tasks they wanted to tackle was the landscaping. Grass covere ...