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 ...
The tree is known for the strong wintergreen scent of its bark and leaves. Culture: Sweet birch prefers deep, fertile, moist, well-drained soil that is slightly acidic. The tree is hardy to Zone 3 and will grow on rocky, dry sites in the wild, but hot, dry sites should be avoided if possible. It has been able to handle heavy soils in the Midwest.
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.