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Sunflower District


Optimum Seeding Rates

 Optimum Seeding RatesOptimum Plant Stand
Dryland600,000 to 900,000 seeds/ac 
Irrigation900,000 to 1,350,000seeds/ac 

Seeding Rate with Actual Seed Drop       

                   Stand with 80% Germination & Emergence    
 Seeds/Foot of Row   Plants/Foot of Row
Row Width (in)Row Width (in)
7.51012 7.5 10 12
600,0008.611.513.8 480,000 6.99.2 11.0
700,00010.013.416.1 560,000 8.010.712.9
800,00011.515.318.4 640,000 9.212.214.7
900,00012.917.220.7 720,00010.313.816.5
1,000,00014.319.123.0 800,00011.515.318.4
1,100,00015.821.025.3 880,00012.616.820.2
1,200,00017.223.027.5 960,00013.818.422.0
1,300,00018.724.929.8 1,040,00014.919.923.9
1,400,00020.126.832.1 1,120,00016.121.425.7

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Interactive Calculating the Plant Population in Your Field Worksheet