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View the new 2023 Virginia Hardiness Zone Map. Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Virginia which ranges from USDA Zone 5b to USDA Zone 7b.
Choose wisely and cultivate a flourishing garden with the perfect hydrangea for your environment. Not sure which hardiness zone you're located in? Check the map below or enter your zip code to find out!
The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones.
Each zone represents a 10-degree Fahrenheit difference in temperature. Identifying Your Zone. Before embarking on hydrangea gardening, it’s essential to determine your specific hardiness zone. The USDA Hardiness Zone Map is readily available online and is a valuable tool for gardeners.
The Hardiness Zone Map system divides the United States and Canada into numbered zones based on lowest average winter temperature. Even within a zone, different micro-climates exist, such as large urban areas which may be warmer or land situated at different elevations.
Planting hydrangeas in pots: Use a bagged potting mix rather than garden soil. Mix in a slow-release fertilizer. Leave 1 to 2 inches between the top of the soil and the rim of the pot for watering. Make sure the pot has drainage holes and has room for the plant to grow. Learn more about growing hydrangeas in pots.
Using the 1990 USDA Hardiness Zone classifications, this updated interactive version covers the state of Virginia and was compiled using National Weather Service climate data through 2009 and covering a broader time frame than the 30 year range used in the current USDA map.
