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What Grows in Glenwood Springs, CO?

Glenwood Springs, Colorado is in USDA Hardiness Zone 6a.

Zone

USDA 6a

Last frost

early April

First frost

late October

Frost-free days

213
Quick Answer

Glenwood Springs is in USDA Zone 6a with about 213 frost-free days.

What to plant, and when

Timing by your frost dates — last frost early April, first frost late October.

🌱 Start indoors (pre-frost)

Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Eggplant, Pumpkin

❄️ Direct-sow early (cool season)

Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion

☀️ Plant after last frost

Green Beans, Potato, Sweet Potato, Corn, Microgreens, Rhubarb

🍂 Plant in fall

Garlic

What grows well in Glenwood Springs

USDA Zone 6a

Frequently asked questions

What hardiness zone is Glenwood Springs, CO in?

Glenwood Springs, CO is in USDA Hardiness Zone 6a. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in Glenwood Springs?

The average last spring frost in Glenwood Springs is around early April, and the first fall frost is typically late October. Plan to move tender plants outside after early April and have them harvested (or protected) before late October.

What grows well in Glenwood Springs?

Plenty — Glenwood Springs's USDA Zone 6a climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.

How long is Glenwood Springs's growing season?

Glenwood Springs typically has around 213 frost-free days per year (roughly early April to late October). That's a full season — plenty of time for most annual vegetables plus a succession or fall crop of cool-season greens.

What should I plant first in Glenwood Springs?

Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Arugula, Radish are among the quickest from seed to harvest in Glenwood Springs.

Can I grow vegetables in containers in Glenwood Springs?

Yes — Glenwood Springs's climate is container-friendly for the right crops. Tomato, Cherry Tomato, Bell Pepper all do well in pots, which also lets you start them a little earlier and move them in on cold nights.

When should I start seeds indoors in Glenwood Springs?

For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around early April), then transplant after the danger of frost has passed.