What Plants Grow Well In 80109?
USDA Growing Zone: 5b
Longitude: -104.8535
Latitude: 39.3763
Lowest Avg Temperatures (F): -15 to -10

The USDA growing zone is 5b in the 80109 zip code. This climate hardiness zone is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would be suitable for your climate. We've already picked out a selection of the best plants for Castle Rock to help you get your next gardening project started.
We also have temperature requirement information and a map of U.S. hardiness zones over on our page on the growing zone for Castle Rock.

Metal Seed Storage Box

Self Watering Plant Pots

Deluxe Plastic Watering Can

Hydroponic Garden Grow Kit

Large Greenhouse Kit
Trees for 80109
Fruits for 80109
Flowers for 80109
Vegetables for 80109

Best Time to Plant in Castle Rock
Check the growing calendar for Castle Rock at the Old Farmer's Almanac to see the best planting times for the region.

Brass Watering Can

Shiitake Mushroom Kit

Raised Garden Planter

Seed Starting Trays

Fiskars Garden Harvest Basket

Other Towns in Colorado
We have plant recommendations for most towns in Colorado. Select a town from the list below to find the best plants for your area based on the latest climate information.
Best Plants By State
Colorado not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.
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