Humboldt Hill's Hardiness Zone

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

Stainless Steel Garden Tool Set

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

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

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.

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

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

Worm Composting Kit

Complete kit for starting your own worm composting system.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.