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Wisconsin March Planting Calendar
What to plant, transplant, and harvest in Wisconsin this March
Zone 4spring
🌡️ Wisconsin Frost Dates
Average Last Spring Frost
April 25 - June 1
Average First Fall Frost
September 15 - October 15
🌾 Direct Sow Outdoors
Plant these seeds directly in your garden in March.
✅ March Garden Tasks for Wisconsin
1Start tomatoes indoors
2Direct sow peas and spinach (mild zones)
3Prepare garden beds
4Apply compost
📅 Full Year Calendar for Wisconsin
📍 March Calendar for Other States
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