This species is called St. Augustine grass and sometimes carpetgrass in the Southeastern United States and in California, crabgrass in Bermuda and the West Indies, gramillon in Argentina, wiregrass in St. Helena and buffalograss in Australia and the South Pacific.Description.his species is called St. Augustine grass and sometimes carpetgrass in the Southeastern United States and in California, crabgrass in Bermuda and the West Indies, gramillon in Argentina, wiregrass in St. Helena and buffalograss in Australia and the South Pacific. Description.
Temperatures. The average July temperature in Whitman County is 84 degrees, while the national average for the same month is 86.5 degrees. In the month of January, when the rest of the country averages a low of 20.5 degrees, Whitman County residents experience an average low of 22.6 degrees.nnual rainfall throughout the United States is 36.5 inches, and average snowfall is 25 inches. December is the most precipitous month of the year in Whitman County, with an average of 2.3 inches, most of which is snow. August is the driest month of the year, seeing just 0.7 inches of measurable precipitation.
Minimum temperatures range from 28o to 1o F, although in some year a big freeze can cause considerable damage to plants. Zone 5 extends from the Puget Sound area in Washington, including Seattle and Tacoma, south along the Pacific Coast to north of Brookings, Oregon, including Astoria, Newport, Coos Bay. Zone 6 Willamette Valley Warmer summers distinguish this Zone from Zone 5, average temperatures being 5o to 9o F higher.