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Colorado planting calendar and frost dates

Start with the ZIP row for frost dates, then open any crop calendar for specific sow, transplant, harvest, and frost-watch windows.

ZIP	City	Zone	Last frost	First frost
80012	Aurora	6a	May 5	Oct 5
80202	Denver	6a	May 5	Oct 5
80903	Colorado Springs	6a	May 15	Oct 1

Aurora, CO · Zone 6a Tomatoes May 12 Open answer · last frost May 5 Aurora, CO · Zone 6a Peppers May 19 Open answer · last frost May 5 Aurora, CO · Zone 6a Basil May 15 Open answer · last frost May 5 Aurora, CO · Zone 6a Carrots Apr 14 Open answer · last frost May 5 Aurora, CO · Zone 6a Lettuce Apr 21 Open answer · last frost May 5 Aurora, CO · Zone 6a Cucumbers May 15 Open answer · last frost May 5 Aurora, CO · Zone 6a Zucchini May 15 Open answer · last frost May 5 Aurora, CO · Zone 6a Cilantro Apr 21 Open answer · last frost May 5 Aurora, CO · Zone 6a Bush beans May 12 Open answer · last frost May 5 Aurora, CO · Zone 6a Spinach Apr 7 Open answer · last frost May 5 Aurora, CO · Zone 6a Radishes Apr 7 Open answer · last frost May 5 Aurora, CO · Zone 6a Kale Apr 21 Open answer · last frost May 5 Aurora, CO · Zone 6a Watermelon May 19 Open answer · last frost May 5 Denver, CO · Zone 6a Tomatoes May 12 Open answer · last frost May 5 Denver, CO · Zone 6a Peppers May 19 Open answer · last frost May 5 Denver, CO · Zone 6a Basil May 15 Open answer · last frost May 5 Denver, CO · Zone 6a Carrots Apr 14 Open answer · last frost May 5 Denver, CO · Zone 6a Lettuce Apr 21 Open answer · last frost May 5 Denver, CO · Zone 6a Cucumbers May 15 Open answer · last frost May 5 Denver, CO · Zone 6a Zucchini May 15 Open answer · last frost May 5 Denver, CO · Zone 6a Cilantro Apr 21 Open answer · last frost May 5 Denver, CO · Zone 6a Bush beans May 12 Open answer · last frost May 5 Denver, CO · Zone 6a Spinach Apr 7 Open answer · last frost May 5 Denver, CO · Zone 6a Radishes Apr 7 Open answer · last frost May 5 Denver, CO · Zone 6a Kale Apr 21 Open answer · last frost May 5 Denver, CO · Zone 6a Watermelon May 19 Open answer · last frost May 5 Colorado Springs, CO · Zone 6a Tomatoes May 22 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Peppers May 29 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Basil May 25 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Carrots Apr 24 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Lettuce May 1 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Cucumbers May 25 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Zucchini May 25 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Cilantro May 1 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Bush beans May 22 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Spinach Apr 17 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Radishes Apr 17 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Kale May 1 Open answer · last frost May 15 Colorado Springs, CO · Zone 6a Watermelon May 29 Open answer · last frost May 15