🌱 Planting Date Calculator
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Planting Date Calculator
This tool is under development. When complete it will calculate optimal corn and soybean planting windows based on your ZIP code — including historical soil temperature trends, last frost probability by date, GDU accumulation needed to black layer, and comparison of early vs late planting yield impacts.
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Soil Temp Tracker
Historical + current 2" and 4" soil temps by ZIP
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Frost Risk by Date
10%, 50%, 90% probability of last frost by location
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Planting Window
Optimal date range + yield penalty for each week late
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Black Layer Date
GDU accumulation → estimated harvest readiness