Skip to main content

Brighton, CO planting calendar

When to plant vegetables in Brighton, CO (USDA hardiness zone 6a). Typical last spring frost around May 3, 2026 9 days year to year), first fall frost around Oct 7, 20269 days).

Playing it safe? Spring frost holds off until about May 14, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Or get a printable Brighton calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Brighton, CO’s first frost (~Oct 7, 2026) — fastest first.

Month by month in Brighton, CO

January

February

March

April

May

July

August

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Brighton, CO (covering 3 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.