Rio Oso's Hardiness Zone

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

Hydroponic Garden Grow Kit

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

Cluck Around Sign

Whimsical sign for your chicken coop area.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

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.

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

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

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.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.