Gaithersburg's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Gaithersburg a growing zone designation of 7b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Gaithersburg's climate. If you are looking for plants suitable for growing in the Gaithersburg area, head on over to our page on plants that grow well in Gaithersburg, MD.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Understanding your growing zone is very important because it is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would grow best in your particular climate. Since Gaithersburg is in growing zone 7b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Gaithersburg's climate should be chosen with this in mind or plants should be moved inside to keep their core temperature in the right range if necessary.

USDA Growing Zone: 7b

Zip Codes: 20878, 20899, 20879, 20877, 20884, 20885, 20898