Corn across all 50 states.
Corn (Zea mays) is a row crop crop with a frost sensitive frost profile. Across all 50 states, 40 have corn as a primary crop, 9 as secondary, 1 as limited, and 0 as trial-only.
Agronomy reference
Growing-degree-day requirement: 2400 GDD (base 50°F) from planting to maturity.
Source: www.nrcs.usda.gov/conservation-basics/natural-resource-concerns/plants-animals/agronomic-crops
Primary in 40 states
Commercially significant or common.
- AlabamaZone 8aSpring · March 25–April 15
- ArizonaZone 8bSpring · March 15–April 5
- ArkansasZone 7bSpring · April 5–April 26
- ColoradoZone 5bSpring · May 10–May 31
- ConnecticutZone 6bSpring · April 25–May 16
- DelawareZone 7aSpring · April 15–May 6
- GeorgiaZone 8aSpring · March 25–April 15
- IdahoZone 5bSpring · May 15–June 5
- IllinoisZone 6aSpring · April 25–May 16
- IndianaZone 6aSpring · May 1–May 22
- IowaZone 5aSpring · May 5–May 26
- KansasZone 6aSpring · April 25–May 16
- KentuckyZone 6bSpring · April 20–May 11
- MaineZone 5aSpring · May 15–June 5
- MarylandZone 7aSpring · April 15–May 6
- MassachusettsZone 6aSpring · May 1–May 22
- MichiganZone 5bSpring · May 10–May 31
- MississippiZone 8aSpring · March 25–April 15
- MissouriZone 6bSpring · April 20–May 11
- NebraskaZone 5aSpring · May 5–May 26
- NevadaZone 7aSpring · April 25–May 16
- New HampshireZone 5bSpring · May 15–June 5
- New JerseyZone 7aSpring · April 20–May 11
- New MexicoZone 7aSpring · April 25–May 16
- New YorkZone 5bSpring · May 10–May 31
- North CarolinaZone 7bSpring · April 5–April 26
- OhioZone 6aSpring · May 1–May 22
- OklahomaZone 7aSpring · April 10–May 1
- OregonZone 8aSpring · April 20–May 11
- PennsylvaniaZone 6bSpring · April 25–May 16
- Rhode IslandZone 7aSpring · April 20–May 11
- South CarolinaZone 8aSpring · March 30–April 20
- TennesseeZone 7aSpring · April 10–May 1
- TexasZone 8bSpring · March 15–April 5
- UtahZone 6bSpring · May 1–May 22
- VermontZone 5aSpring · May 15–June 5
- VirginiaZone 7aSpring · April 15–May 6
- WashingtonZone 8aSpring · April 15–May 6
- West VirginiaZone 6bSpring · April 25–May 16
- WisconsinZone 5aSpring · May 10–May 31
Secondary in 9 states
Grown but not at scale; often gardens / food plots / cover.
- AlaskaZone 4aSpring · May 25–June 15
- CaliforniaZone 9aSpring · March 1–March 22
- FloridaZone 9bSpring · February 15–March 7
- LouisianaZone 9aSpring · March 5–March 26
- MinnesotaZone 4aSpring · May 15–June 5
- MontanaZone 4bSpring · May 20–June 10
- North DakotaZone 4aSpring · May 20–June 10
- South DakotaZone 4bSpring · May 15–June 5
- WyomingZone 4bSpring · May 25–June 15
Limited in 1 states
Marginal — only the warmest counties or season-extended setups.
- HawaiiZone 11aSpring · January 1–January 22
Beyond the harvest
Corn as a hunting food plot.
Standing corn provides exceptional fall and winter food source for whitetail deer. Plan timing so corn matures before peak rut for maximum hunting impact.
Corn planting in your county.
Bield: Farm ties weather and soil-temperature stations in your county to corn planting thresholds — get notified when conditions clear your target.