The average lowest winter temperatures in zone 9 are 20F to 30F, and the zone is sometimes split into zone 9a (20-25F) and zone 9b (25-30F ... This is where the system of hardiness zones comes in.

But how do we choose the right plants that will be happy in the backyard conditions of US hardiness zone 9? We all need a little guidance and advice on which trees, shrubs, perennials and other plants ...

For example, Seattle, Washington, and the city of Austin, Texas, are both in the USDA hardiness zone 9a because the map is a measure of the coldest temperature a plant can handle. But they're vastly ...

Hardiness ratings are determined by the lowest temperature a plant is likely to withstand. These ratings provide an overview of plant hardiness using one of the nine categories, H1a to H7. This a ...

When gardeners from different parts of the United States meet up, one common question we ask each other is, "What's your ...

Situated in the extreme Southeast, Alabama falls into hardiness zones 7a through 9a on the USDA Plant Hardiness Zone Map. That means the most extreme yearly cold temperature is as low as 0° to 5° F in ...

Georgia is in planting zones 6a to 9a. With Georgia bordering Florida and expanding northward ... Here is a breakdown of Georgia’s planting zones, according to the USDA Plant Hardiness Zone Map: ...