Hefty Brand Corn 5212 102-day Hybrid Header
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Ear Type
Cob Color
GDUs to Mid-pollination
GDUs to Black Layer
Pollination for Maturity


Ear Type – Semi-Flex
Cob Color – Red
GDUs to Mid-pollination – 1215
GDUs to Black Layer – 2440
Pollination for Maturity – Medium


High yielding hybrid with very good tolerance to Goss’s Wilt! You’ll want to plant this hybrid early and feed it to push yields! Flexes well for length. Taller hybrid with very good roots and stalks.


Average rating for gray leaf spot.


Works best in the variable to good ground. Responds very well to added fertility. This is not our lead selection for wet ground. Did show some sensitivity to high rates of ALS herbicides, especially pre-emerge. Don’t skip the pre, though, as early weed control is key with this hybrid. Responds well to foliar fungicide applications, especially in gray leaf spot country where fungicides are routinely used. Very close relative to H5214.


H5212 Agronomic Chart

The higher the number, the better the performance or rating.

Hefty Corn 5212 Plot Results

YearBrandProductTraitRMMoistureDry Bu/AcYield RankPlot NameStateCooperator
2018HeftyH5212VT2P10221.7215.17Baltic Corn Plot 1BalticSDAg PhD
2018HeftyH5212VT2P10222.7212.58Baltic Corn Plot 2BalticSDAg PhD
2018HeftyH5212VT2P10220.9241.56Baltic Corn Plot 3BalticSDAg PhD
2018HeftyH5212VT2P10325.1218.53Hancock Corn Plot 5HancockMNAg PhD
2018HeftyH5212VT2P10218.2173.54Huron Corn Plot 1HuronSDAg PhD
2018HeftyH5212VT2P10220.1192.91Huron Corn Plot 2HuronSDAg PhD
2018HeftyH5212VT2P10217.8181.76Kimball Corn Plot 1KimballSDAg PhD
2018HeftyH5212VT2P10218138.41Kimball Corn Plot 2KimballSDAg PhD
2018HeftyH5212VT2P10217.2206.86Baltic Corn Plot 5BalticSDAg PhD
2018HeftyH5212VT2P10218.11643Hancock Corn Plot 6HancockMNAg PhD
2018HeftyH5212VT2P10218.7214.93Hancock Corn Plot 7HancockMNAg PhD
2018HeftyH5212VT2P10215.9189.32Marshall Corn Plot 1MarshallMNAg PhD
2018HeftyH5212VT2P10217.6216.91Marshall Corn Plot 2MarshallMNAg PhD
2018HeftyH5212VT2P10218.5232.54Plymouth, IA 2018 Early Season F.I.R.S.T corn plotPlymouthIAF.I.R.S.T. Plot
2018HeftyH5212VT2P10217.2237.515Waterloo, IA 2018 Early Season F.I.R.S.T corn plotWaterlooIAF.I.R.S.T. Plot
2018HeftyH5212VT2P10214.9261.417Winnebago, IL 2018 Ultra Early F.I.R.S.T Corn PlotWinnebagoILF.I.R.S.T. Plot
2018HeftyH5212VT2P10217.7260.917Grand Ridge, IL 2018 Ultra Early F.I.R.S.T Corn PlotGrand RidgeILF.I.R.S.T. Plot
2018HeftyH5212VT2P10216.4258.718Grand Ridge, IL 2018 Ultra Early F.I.R.S.T Corn PlotSubletteILF.I.R.S.T. Plot
2018HeftyH5212VT2P10216.5239.523Grand Ridge, IL 2018 Ultra Early F.I.R.S.T Corn PlotWalnutILF.I.R.S.T. Plot
2018HeftyH5212VT2P10219.9252.210Emmetsburg, IA 2018 Early Season F.I.R.S.T. Corn PlotEmmetsburgIAF.I.R.S.T. Plot
2018HeftyH5212VT2P10221.6253.01Fox Lake, WI 2018 Full Season F.I.R.S.T. Corn PlotFox LakeWIF.I.R.S.T. Plot
2018HeftyH5212VT2P10220.9217.214Plover, WI 2018 Full Season F.I.R.S.T. Corn PlotPloverWIF.I.R.S.T. Plot
2018HeftyH5212VT2P10222.7249.94Oxford, WI 2018 Early Season F.I.R.S.T. Corn Plot IIOxfordF.I.R.S.T. Plot
2018HeftyH5212VT2P10226.6302.47Warden Corn Plot 1WardenWAHefty Store
2018HeftyH5212VT2P10219.6186.8122383Robeoltman Corn Plot 1Robeoltman Corn PlotIAHefty Store
2017HeftyH5212VT2P10219.46213.91Baltic Corn Plot 1BalticSDHefty Store
2017HeftyH5212VT2P10221.76239.42Baltic Corn Plot 2BalticSDHefty Store
2017HeftyH5212VT2P10218.76212.51Baltic Corn Plot 3BalticSDHefty Store
2017HeftyH5212VT2P10217.3149.35Baltic Corn Plot 4BalticSDHefty Store
2017HeftyH5212VT2P10218.00235.91Baltic Corn Plot 5BalticSDHefty Store
2017HeftyH5212VT2P10220.41220.43Baltic Corn Plot 6BalticSDHefty Store
2017HeftyH5212VT2P10220.92212.215Breckenridge Corn Plot 1BreckenridgeMNHefty Store
2017HeftyH5212VT2P10217.50195.72Centerville Corn Plot 1CentervilleSDHefty Store
2017HeftyH5212VT2P10217.73162.31Centerville Corn Plot 2CentervilleSDHefty Store
2017HeftyH5212VT2P10217.42219.14Centerville Corn Plot 3CentervilleSDHefty Store
2017HeftyH5212VT2P10216.77168.26Freeman Corn Plot 1FreemanSDHefty Store
2017HeftyH5212VT2P10218.58192.01Huron Corn Plot 1HuronSDHefty Store
2017HeftyH5212VT2P10220.76129.81Huron Corn Plot 2HuronSDHefty Store
2017HeftyH5212VT2P10217.56174.62Huron Corn Plot 3HuronSDHefty Store
2017HeftyH5212VT2P10219.36193.53Marshall Corn Plot 1MarshallMNHefty Store
2017HeftyH5212VT2P10221.90182.01Marshall Corn Plot 2MarshallMNHefty Store
2017HeftyH5212VT2P10218.82220.05Olivia Corn Plot 1OliviaMNHefty Store
2017HeftyH5212VT2P10219.32200.55Sheldon Corn Plot 3SheldonIAHefty Store
2017HeftyH5212VT2P10218.85192.51Sheldon Corn Plot 4SheldonIAHefty Store
2017HeftyH5212VT2P10221.38177.41Watertown Corn Plot 1WatertownSDHefty Store
2017HeftyH5212VT2P10222.17226.22Watertown Corn Plot 4WatertownSDHefty Store
2019HeftyH5212VT2P10220.3215.54East Vermillion, SD Soybeans 2019VermillionSDAg PhD
2019HeftyH5212VT2P10221.3222.49East Le Mars, IA Corn 2019Le MarsIAAg PhD
2019HeftyH5212VT2P10222.4183.110East Sheldon, IA Corn 2019SheldonIAAg PhD
2019HeftyH5212VT2P10219.8226.14East Marshall, MN Corn 2019MarshallMNAg PhD
2019HeftyH5212VT2P10221239.11Olivia, MN Corn PlotOliviaMNAg PhD
2019HeftyH5212VT2P10222.4220.51West Olivia, MN Corn PlotOliviaMNAg PhD
2019HeftyH5212VT2P10220.7209.712Baltic, SD Corn PlotBalticSDAg PhD
2020HeftyH5212VT2P10218.72256Egan, SD Corn Plot 1EganSDAg PhD
2020HeftyH5212VT2P10216.6236.38Olivia, MN Corn Plot 1OliviaMNAg PhD
2020HeftyH5212VT2P10216207.15Renville Co Corn Growers 2020 Plot 1MNHefty
2020HeftyH5212VT2P10216.5219.43Renville Co Corn Growers 2020 Plot 2MNHefty
2020HeftyH5212VT2P10214.4190.817Beresford, SD Early-Season F.I.R.S.T Corn PlotBeresfordSDF.I.R.S.T.
2020HeftyH5212VT2P10218.3264.916Cobb, WI Early-Season F.I.R.S.T. Corn PlotCobbWIF.I.R.S.T.
2020HeftyH5212VT2P10217250.71Colton, SD Early-Season F.I.R.S.T Corn PlotColtonSDF.I.R.S.T.
2020HeftyH5212VT2P10216.223829Dell Rapids, SD Early-Season F.I.R.S.T Corn PlotDell RapidsSDF.I.R.S.T.
2020HeftyH5212VT2P10221.2270.85Fox Lake, WI Full-Season F.I.R.S.T Corn PlotFox LakeWIF.I.R.S.T.
2020HeftyH5212VT2P10218.3263.49Milledgeville, IL Early-Season F.I.R.S.T. Corn PlotMilledgevilleILF.I.R.S.T.
2020HeftyH5212VT2P10217.6263.12Oxford, WI Full-Season F.I.R.S.T Corn PlotOxfordWIF.I.R.S.T.
2020HeftyH5212VT2P10212.720916Pearl City, IL Early-Season F.I.R.S.T. Corn PlotPearl CityILF.I.R.S.T.
2020HeftyH5212VT2P1021816720Plover, WI Full-Season F.I.R.S.T Corn PlotPloverWIF.I.R.S.T.
2020HeftyH5212VT2P10217.9226.72Ripon, WI Full-Season F.I.R.S.T. Corn PlotRiponWIF.I.R.S.T.
2020HeftyH5212VT2P10216254.37Salem, SD Early-Seaason F.I.R.S.T. Corn PlotSalemSDF.I.R.S.T.
2020HeftyH5212VT2P10213220.528Thomson, IL Early-Season F.I.R.S.T. Corn PlotThomsonILF.I.R.S.T.

The Hefty 5212 with the Hefty Complete Seed Treatment was the first out of the ground and had a great stand.

Ben, Kimball, Minnesota

Hefty 5212 was first out of the ground and stayed a full leaf ahead of the competition throughout the year.

Jon, Dimock, South Dakota

Hefty 5212 looks like my best corn!

Tony, East Central South Dakota

Hefty 5212 has great standability.

David, Central South Dakota

H5212 is great in stress and has awesome top yield.

Bryce, Southeast South Dakota