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The USDA Hardiness Zones for Virginia range from Zone 5A (-20°F to -15°F) in the mountains, to Zone 8A (10°F to 15°F) along the coast. A lot of variations occur because of the state's significant relief.
Richmond's Downtown and areas south and east of downtown are in USDA Hardiness zones 7b. Surrounding suburbs and areas to the north and west of Downtown are in Hardiness Zone 7a. [63] Temperatures seldom fall below 0 °F (−18 °C), with the most recent subzero reading on January 7, 2018, when the temperature reached −3 °F (−19 °C). [62]
A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most widely used system, developed by the United States Department of Agriculture (USDA) as a rough guide for ...
The old 2012 map, seen here, isn't as detailed or regional as the new plant hardiness map, in large part to the 2023 map including data from many more weather stations.
Ashland, Virginia. (2020) Ashland is a town in Hanover County, Virginia, United States, located 16 miles (26 km) north of Richmond along Interstate 95 and U.S. Route 1. As of the 2020 census it had a population of 7,565, [ 5 ] up from 7,225 at the 2010 census. Ashland is named after the Lexington, Kentucky estate of Hanover County native and ...
The Mount Rogers area contains a unique record of the geohistory of Virginia. There is evidence from the rocks that volcanoes were part of the landscape. Roughly 760 million years ago, rift-related (divergent) volcanoes erupted along the axis of what later became the Appalachians, and one remnant of that volcanic zone, with its volcanic rocks, still can be seen at Mount Rogers.