🧄 Can I Plant Garlic in Colorado Springs, CO?
Garlic needs at least 240 days to harvest, but there are only ~79 days before the average first fall frost around Oct 18. Wait until next spring for best results.
Growing Garlic in Colorado Springs
Colorado Springs at 6,035 feet sits in Zone 5b with one of the shortest growing seasons on this list — about 140 days. Late spring frosts can arrive into mid-May, and first fall frosts can come as early as late September. High-altitude sun intensity and dry air require consistent irrigation. Cold frames, row covers, and raised beds with black plastic mulch are essential tools for Colorado Springs gardeners.
In Colorado Springs (last frost around May 10), garlic can go out around December — approximately 20 weeks before the last expected frost, making it an early-season opportunity.
Garlic thrives between 35°F and 70°F. It tolerates temperatures as low as 20°F, making it a candidate for early spring planting before the last frost date. Expect 240–270 days from transplant to first harvest. Plant in fall, harvest next summer.
Frequently Asked Questions
When can I plant garlic in Colorado Springs, CO?
In Colorado Springs (last frost around May 10), garlic can go out around December — approximately 20 weeks before the last expected frost, making it an early-season opportunity.
What is the USDA hardiness zone for Colorado Springs?
Colorado Springs, CO is in USDA Plant Hardiness Zone 5b. The last expected spring frost is around May 10, and the first fall frost arrives around September 30. This zone classification helps you understand which perennials survive winter and when annual vegetables can safely go outdoors.
Is it safe to plant garlic outside in Colorado Springs right now?
That depends on the current weather forecast. Garlic needs temperatures above 20°F (ideally 35–70°F) to thrive. CanIPlant checks your real 7-day forecast and any active frost alerts to give you a live YES, NO, or WAIT answer — just enter your ZIP code.
Can I grow garlic in Colorado Springs 2026?
Yes — Garlic grows well in Colorado Springs, CO. With a Zone 5b climate and a growing season of ~143 days, Colorado Springs is well-suited for cool-season crops like garlic. As a frost-tolerant crop, garlic can even go out a few weeks before the last frost date.
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