Best Plants For New Castle, CO

A variety of plants are suitable for New Castle's climate. The growing zone for the area is usually 6a, with average annual lows of -10 to -5 degrees Fahrenheit. Scroll down for a full list of the best plants for New Castle, CO based on our analysis of the region's information.
Trees for New Castle
Fruits for New Castle
Flowers for New Castle
Vegetables for New Castle
Map of CO Hardiness Zones

Choosing plants based on the growing zone for New Castle ensures that your plants will be able to survive the lowest annual temperatures in your area of Colorado.

Worm Composting Kit

Shiitake Mushroom Kit

Wooden Chicken Coop

Hydroponic Garden Grow Kit

Metal Seed Storage Box
Best Time to Plant in New Castle
Check the growing calendar for New Castle at the Old Farmer's Almanac to see the best planting times for the region.
Need Gardening Gear?
The Plant Guide Online has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

Seed Starting Trays

Raised Garden Bed Kit

Metal Arbor Trellis

Hoeing Ain't Easy Garden Sign

Hydroponic Garden Grow Kit

New Castle's Temperature
USDA Growing Zone: 6a
Zip Codes: 81647
Longitude: -107.5267
Latitude: 39.5776
Lowest Avg Temperatures (F): -10 to -5
The USDA growing zone is 6a in New Castle, CO. This is a measure of the lowest temperature that a plant can survive, helping to decide what plants would be suitable for the region's climate. According to our records, the average annual extreme minimum temperature in New Castle is -10 to -5 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for New Castle, CO.
Map of New Castle

Hydroponic Garden Grow Kit

Raised Garden Bed Kit

Large Greenhouse Kit

Brass Decorative Faucet Handle

Cluck Around Sign
All Towns In CO
Tools You'll Love
The Plant Guide Online has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

Self Watering Plant Pots

Stainless Steel Garden Tool Set

Raised Garden Bed Kit

Seed Starting Trays

Shiitake Mushroom Kit
Plants For Other States:
Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

Steel Hori Hori Weeding Knife

Self Watering Plant Pots

Metal Seed Storage Box

Reusable Grow Bags

Rustic Iron Garden Trellis
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