🌿 Can I Plant Mint in Colorado Springs, CO?
Temperature conditions are suitable for Mint. Highs near 97°F are on the warm side — make sure plants have plenty of water. The season is running warmer than normal, which has opened this window earlier than usual.
Growing Mint 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), mint can go out around April — approximately 2 weeks before the last expected frost, making it an early-season opportunity. Starting seeds indoors 8 weeks before the last frost date gives you a significant head start.
Mint thrives between 55°F and 85°F. It tolerates temperatures as low as 28°F, making it a candidate for early spring planting before the last frost date. Expect 30–60 days from transplant to first harvest. Very vigorous. Grow in containers to control spread.
Frequently Asked Questions
When can I plant mint in Colorado Springs, CO?
In Colorado Springs (last frost around May 10), mint can go out around April — approximately 2 weeks before the last expected frost, making it an early-season opportunity. For best results, start seeds indoors 8 weeks before that — giving you strong transplants ready to go out at the right time.
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 mint outside in Colorado Springs right now?
That depends on the current weather forecast. Mint needs temperatures above 28°F (ideally 55–85°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 mint in Colorado Springs 2026?
Yes — Mint 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 mint. As a frost-tolerant crop, mint can even go out a few weeks before the last frost date.
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