USDA Hardiness Zone 2A is one of the coldest gardening zones in the continental United States, with average annual minimum temperatures between -50ยฐF and -45ยฐF. The growing season is short and intense: an average last spring frost around May 30 and first fall frost near Sep 1 yield approximately 94 frost-free days. Gardeners in Zone 2A must prioritize fast-maturing, cold-hardy varieties and rely heavily on season-extension techniques such as cold frames, row covers, and indoor seed starting to make the most of a compressed window. Root vegetables, brassicas, and cool-season greens are the backbone of Zone 2A production. For a personalized forecast based on your specific zip code, use our free planting calendar. Browse individual plant guides for detailed growing instructions, or explore how USDA zones work to better understand your growing conditions.
๐ฑ Zone 2A Planting Guide
Last Spring Frost
May 30
First Fall Frost
Sep 1
Growing Season
94 days
Planting dates for 100 vegetables, herbs, and flowers โ computed from Zone 2A frost dates.
Browse all 100 Zone 2A plant guides โ
Jump directly to the detailed growing guide for any plant in Zone 2A.
๐ฅฌ Vegetables
๐ฟ Herbs
๐ธ Flowers
๐ Growing guides for Zone 2A
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๐จ๏ธ Printable calendars & worksheets
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Month-by-month planting dates for 100 crops across every zone in the Midwest region. Printable PDF.
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Map beds, track planting dates, and plan rotations with zone-specific frost windows pre-filled for the Midwest region.
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