Clearfield Sunflowers are a hybrid sunflower that allows further chemical control post-seeding. They allow game managers to use both common pre-emergent herbicides, as well as Beyond herbicide following seeding. Clearfield Sunflowers are commonly used as a dove attractant and can be drilled or broadcasted. Plant into a clean, firm seedbed.
Seeding Rate: ≈ 20,000-25,000 seeds/acre
200,000 seeds/bag ≈ 10 acres/bag
*Seller will determine packaging*
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- Seeding Rate: 20,000-25,000 seeds/acre
- Seed Depth: 1” – 1 ½” deep
- Plant into a clean, firm seedbed when both drilling or broadcasting
- Planting Zones: Same as Primal Soybean
- Zone 1: Late Spring, Early Summer (Soil temps > 60°)
- Zone 2: Late Spring, Early Summer (Soil temps > 60°)
- Zone 3: Late Spring, Early Summer (Soil temps > 60°)
- Zone 4: Not Recommended
Dependent on previous year’s crop. Apply 60-80 lbs/acre of Nitrogen.
Plant into a clean, weed-free seedbed and use the herbicide options below for optimal weed control:
|Timing||Herbicide||Rate||Notes||Weeds Controlled||Control Method|
|Preemergence||Dual II Magnum (S-Metolachlor)||1.0-1.67 pts/a||Apply after planting and before crop emergence||Grasses||Residual|
|4-8 oz/a||Apply after planting and before crop emergence||Broadleaves||Residual|
|Makaze (Glyphosate)||32 oz/a||Apply after planting and before crop emergence||Grasses & Broadleaves||Contact|
|Postemergence||Poast (Sethoxydim)||0.75-2.5 pts/a||Can be applied at any stage of growth.||Grasses||Contact|
|Beyond (Imazamox)||4 oz/a||Apply during 2-leaf to 8-leaf stage of sunflower.||Grasses & Broadleaves||Contact|
Disclaimer: All products and rates were provided by university-based sources and product labels. Always follow label instructions and consult your local chemical dealer and seed dealer before making any applications or planting of seed.
Every acre is different and our goal is to help you know what works best in your area. This 'Growing Regions' section showcases where this species works best. If you have any questions on product placement, feel free to contact our experts and we will help!