Gardening in USDA Zone 4a
short to moderate growing season · Frost-free ~110-140 days · Min temp -30°F to -25°F
❄️ Frost Dates — Zone 4a
Plant warm-weather crops after this date. Check 10-day forecasts before setting out tender plants.
Count back from this date to know how long your growing window is.
📍 Where is Zone 4a?
Southern Minnesota, Wisconsin, Iowa, parts of New York, northern New England
🌱 Soil & Growing Notes
Glacially-deposited silty loam in many areas. Generally fertile but can be compacted. Add organic matter yearly.
What Grows Well in Zone 4a?
Zone 4a has a short to moderate growing season with roughly ~110-140 days of frost-free weather — last spring frost around May 15, first fall frost around September 21. That's enough time for 40+ popular garden plants, from fast-growing leafy greens to longer-season fruiting crops. Below is our curated list of plants that thrive in your zone.
🥕 Best Vegetables for Zone 4a
🌿 Best Herbs for Zone 4a
🍓 Best Fruits for Zone 4a
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