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
25 lb bag
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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.