an ice cube, a glass of cold water, and a swimming pool are each exposed to the same amount of sunlight on a hot day. after five minutes, the ice cube is melted and the cold drink is two degrees warmer, but the temperature of the swimming pool remains unchanged. what is the ...
TREES & plants. Sweet birch. Sweet birch is an attractive tree for lawns and naturalized areas, with shiny, red-brown bark and yellow foliage. Native to the eastern United States, the tree also attracts beautiful butterflies to the landscape, serving as a caterpillar/larval host. This species is resistant to bronze birch borer (BBB).
Using USDA zone-hardiness map to chart your plant purchases. Dicksonia antarctica (Tasmanian Tree Fern) is a Zone 8b plant, hardy down to 15 to 20 degrees. Ciscoe Morris, Seattle Times garden writer, says Seattle did get a new number on the USDA zone-hardiness chart, but our weather does not always correspond to the number. Tips on pruning climbing roses and using coffee grounds in your garden.