Diablo Grande's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Diablo Grande a growing zone designation of 9b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Diablo Grande's climate. If you are looking for plants suitable for growing in the Diablo Grande area, head on over to our page on plants that grow well in Diablo Grande, CA.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

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 Diablo Grande is in growing zone 9b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Diablo Grande'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.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.