Harley does well across a variety of conditions, especially those with stress during the growing season. She prefers dryland to irrigated conditions.

Planting: Harley works well at standard planting populations. You do not need to increase population to increase yield with this hybrid.

Early Season: Harley has strong early vigor and growth. She has large, wide leaves.

Mid Season: Harley flowers early for maturity and has a longer grain-filling period.

Late Season: Harley is of average height but is taller for her maturity. Her root system supports the height of the plant.

Harvest: Harley needs to be harvested in a timely fashion. The grain has average testweight.


Maturity Zones (FAO) – 270-340
Recommended Region – All 50%
Silk GDUs – N/A
Black Layer GDUs – N/A

Seedling Vigor – Very Good
Leaf Angle – Semi-erect
Flowering for Maturity – Early
Stalk Rating – Average
Root Rating – Good
Plant Height – Mediuim
Ear Height – Average
Fall Appearance – Good
Staygreen – Good
High Population Tolerance – Good

Ear Length – Medium
Ear Girth – Good
Ear Flex – Excellent
Kernel Rows – 16-22
Test Weight – Good
Cob Color – Pink
Husk Cover – Medium
Drydown – Fair
Silage Quantity – N/A
Silage Quality – N/A

Poorly Drained – Recommended
Medium Soils – Highly Recommended
Sandy Soils – Highly Recommended
Gray Leaf Spot – Good
Northern Leaf Blight –Good
Goss’s Wilt – Good
Common Rust – Good
Corn after Corn – Very Good
Fungicide Response – Medium
Drought Tolerance – Good

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