Hartline's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Hartline a growing zone designation of 6b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Hartline's climate. If you are looking for plants suitable for growing in the Hartline area, head on over to our page on plants that grow well in Hartline, WA.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

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 Hartline is in growing zone 6b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Hartline'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.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Hoeing Ain't Easy Garden Sign

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

Hydroponic Garden Grow Kit

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