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Can You Grow Bell Pepper in Colorado?

US · USDA Zone 5b · zones 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b

Grows well here

Bell peppers grow well here with the warm season needed for full fruit development.

Plant zones

4a–11b

Colorado last frost

early April

Colorado first frost

late October

Days to harvest

70–90 days

When to plant Bell Peppers in Colorado

Start indoors

Feb 9

Transplant

Apr 7

Harvest

Jun 16 – Jul 6

Dates are approximate, based on Colorado's average frost dates. Your exact yard may vary by microclimate.

About Bell Pepper

Bell peppers need a long warm season and are highly productive once established in summer heat.

Start indoors 8-10 weeks before last frost — peppers are slow to establish. They thrive in heat and dislike cold soil. Feed with low-nitrogen fertiliser once flowering begins.

Full bell pepper growing guide →

Gardening in Colorado

Colorado has a semi-arid mountain climate with intense sunshine and low humidity. Front Range cities like Denver are Zone 5-6; higher elevations are Zones 3-4.

See what grows well in Colorado →

Frequently asked questions

Can you grow Bell Pepper in Colorado?

Bell peppers grow well here with the warm season needed for full fruit development.

What zone is Colorado?

Colorado spans USDA Zone 5b (3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b).

When do you plant Bell Peppers in Colorado?

Plant Bell Peppers around early April (start indoors Feb 9), harvest Jun 16 – Jul 6.