Hefty Brand Corn 3632 86-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-Determinate
Cob Color – Red
GDUs to Mid-pollination – 1050
GDUs to Black Layer – 2180
Pollination for Maturity – Medium


Heavy test weight drives yield with this hybrid! One of the better hybrids for late season health, and intactness adds peace of mind at harvest. Fast out of the ground and anchored by a great root system. National placement.


Gray leaf spot tolerance is only average.


Very consistent and stable product that likes populations in the mid-20s to the mid-30s. With the early vigor and a massive root system, it makes sense to feed this hybrid early with in-furrow or 2 X 2 fertility. It responds to microbial products, as well, such as Alpha Complete. Added late-season fertility has also shown a good return on investment as late season health is very good and test weight accumulation is great.


H3632 Agronomic Chart

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

Hefty Corn 3632 Plot Results

YearBrandProductTraitRMMoistureDry Bu/AcYield RankPlot NameStateCooperator
2019HeftyH3632VT2P8619.7186.92Hancock, MN Corn PlotHancockMNAg PhD
2019HeftyH3632VT2P8620.2196.211East Breckenridge, MN Corn PlotBreckenridgeMNAg PhD
2019HeftyH3632VT2P8622.1186.64North Aberdeen, SD Corn PlotAberdeenSDAg PhD
2019HeftyH3632VT2P86-8724.9204102019 Hillsboro, ND Kelso West Cty 1HillsboroNDAg PhD
2020HeftyH3632VT2P8620.1145.920East Grand Forks, MN Early-Season F.I.R.S.T. Corn PlotEast Grand ForksMNF.I.R.S.T.
2020HeftyH3632VT2P8619.214311Grand Forks, ND Early-Season F.I.R.S.T Corn PlotGrand ForksNDF.I.R.S.T.
2020HeftyH3632VT2P8613.6183.28Fairmount, MN Early-Season F.I.R.S.T. Corn PlotFairmountNDF.I.R.S.T.

I put my Hefty corn up to my favorite Pioneer and Dekalb, and wow does it perform! I’ll keep planting Hefty!

Luke, Iowa

I first tried Hefty because of the price point. Then I put four hybrids in my competition plot with four other brands of corn. Hefty took 1st, 2nd, and 3rd in my plot. That’s when I knew I was planting the real deal!

Ben, Moses Lake, Washington

I know that when I give my business to Hefty Seed Company, I can count on great yields from their products and outstanding service from their knowledgeable agronomists.

Paul, Southeast South Dakota

We have had a really good run with Hefty Corn hybrids on our farm over the last several years. In fact, they have been our top-yielding hybrids for a number of years now.

Nathan, Watertown, South Dakota

Out of everything I planted, Hefty has always been the first corn out of the ground over the last three years.

Devon, Southeast Nebraska

I plant corn for Habitat for Hunting. My ground is really tough due to flooding it each year. I switched to Hefty Corn because of how well it handles tough, dry soil.

Mike, Othellow, Washington

The emergence and yields I have gotten from my Hefty Brand Seed have been outstanding!

Mark, Southeast South Dakota