Hilmar-Irwin's Hardiness Zone

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

Cluck Around Sign

Whimsical sign for your chicken coop area.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Raised Garden Bed Kit

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

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Brass Watering Can

Elegant brass watering can with classic design and durability.

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 Hilmar-Irwin is in growing zone 9a this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Hilmar-Irwin'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.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Brass Watering Can

Elegant brass watering can with classic design and durability.