Best Plants For New Castle, CO

A variety of plants are suitable for New Castle's climate. According to our data, the growing zone for the area is 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 climate.
Trees for New Castle
Fruits for New Castle
Flowers for New Castle
Vegetables for New Castle
Frequently Asked Questions
Have questions about plants for your area? Check out our FAQ below for quick answers to common questions about what plants grow best in the New Castle, CO climate.
Some of the best vegetables for New Castle, CO include beans, beets and bell peppers. Other recommended vegetables include Broccoli, Carrots and Cauliflower based on New Castle's USDA hardiness zone.
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.

Large Greenhouse Kit

Self Watering Plant Pots

Steel Hori Hori Weeding Knife

Fiskars Garden Harvest Basket

Raised Garden Planter
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.

Metal Arbor Trellis

Metal Seed Storage Box

Shiitake Mushroom Kit

Wooden Chicken Coop

Rustic Iron Garden Trellis

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

Raised Garden Bed Kit

Small Greenhouse Kit

Hydroponic Garden Grow Kit

Deluxe Plastic Watering Can

Brass Watering Can
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

Raised Garden Planter

Fiskars Garden Harvest Basket

Wooden Chicken Coop

Raised Garden Bed 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.

Hydroponic Garden Grow Kit

Brass Watering Can

Large Greenhouse Kit

Raised Garden Planter

Cluck Around Sign
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