Castle Hills's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Castle Hills 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 Castle Hills's climate. If you are looking for plants suitable for growing in the Castle Hills area, head on over to our page on plants that grow well in Castle Hills, TX.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.

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

Hydroponic Garden Grow Kit

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

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.