High Yield Ag Solutions

Hybrid Corn Planting Forecast

Guide: OK to plant corn when 5-Day GDU Accumulation greater than or equal to 40 and GDU are trending up. Careful with minimum temperatures below 50 (highlighted in yellow).
Clarksdale, MS Greenwood, MS Leland, MS Yazoo City, MS Bainbridge, GA Newport, AR
Date Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation
05/17/2020 72.0 30 107 70.0 29.00 110 72.0 28.00 109 69.0 29.00 125 61.0 20.00 83
05/18/2020 64.0 22 105 63.0 23.00 111 65.0 24.00 111 70.0 25.00 125 56.0 14.00 84
05/19/2020 59.0 16 112 58.0 18.00 120 56.0 17.00 117 68.0 26.00 128 56.0 14.00 94
05/20/2020 57.0 17 126 55.0 18.00 134 55.0 18.00 132 68.0 22.00 130 59.0 16.00 107
05/21/2020 59.0 22 140 59.0 22.00 146 59.0 22.00 146 66.0 23.00 136 59.0 19.00 119
05/22/2020 66.0 28 143 69.0 30.00 150 69.0 30.00 152 69.0 29.00 137 65.0 21.00 124
05/23/2020 68.0 29 137 72.0 32.00 146 71.0 30.00 146 68.0 28.00 134 65.0 24.00 127
05/24/2020 70.0 30 130 71.0 32.00 140 70.0 32.00 139 69.0 28.00 135 68.0 27.00 124
05/25/2020 72.0 31 122 70.0 30.00 134 70.0 32.00 131 71.0 28.00 135 68.0 28.00 119
05/26/2020 68.0 25 113 70.0 26.00 128 71.0 28.00 123 70.0 24.00 135 66.0 24.00 110
05/27/2020 64.0 22 110 67.0 26.00 124 64.0 24.00 119 69.0 26.00 141 66.0 24.00 107
05/28/2020 66.0 22 108 65.0 26.00 122 64.0 23.00 120 70.0 29.00 139 64.0 21.00 107
05/29/2020 63.0 22 110 64.0 26.00 124 63.0 24.00 126 72.0 28.00 140 63.0 22.00 110
05/30/2020 63.0 22 115 61.0 24.00 128 61.0 24.00 132 70.0 28.00 138 58.0 19.00 116
05/31/2020 61.0 22 121 59.0 22.00 134 60.0 24.00 138 61.0 24.00 139 70.0 30.00 136 60.0 21.00 127
06/01/2020 59.0 20 129 61.0 24.00 144 64.0 25.00 146 70.0 28.00 145 68.0 24.00 132 63.0 24.00 136
06/02/2020 60.0 24 139 64.0 28.00 152 65.0 29.00 153 70.0 30.00 146 72.0 30.00 136 61.0 24.00 144
06/03/2020 68.0 27 145 72.0 30.00 156 71.0 30.00 156 71.0 28.00 145 71.0 26.00 134 69.0 28.00 150
06/04/2020 68.0 28 146 70.0 30.00 157 70.0 30.00 156 69.0 29.00 145 70.0 26.00 136 70.0 30.00 150
06/05/2020 69.0 30 145 70.0 32.00 157 70.0 32.00 155 70.0 30.00 146 70.0 26.00 139 70.0 30.00 146
06/06/2020 70.0 30 142 71.0 32.00 157 72.0 32.00 153 71.0 29.00 146 71.0 28.00 141 72.0 32.00 144
06/07/2020 70.0 30 139 72.0 32.00 156 71.0 32.00 152 71.0 29.00 147 72.0 28.00 143 72.0 30.00 138
06/08/2020 70.0 28 135 72.0 31.00 154 71.0 30.00 150 72.0 28.00 147 73.0 28.00 145 70.0 28.00 134
06/09/2020 70.0 27 133 73.0 30.00 153 71.0 29.00 150 73.0 30.00 149 73.0 29.00 147 70.0 26.00 131
06/10/2020 70.0 27 132 73.0 32.00 153 71.0 30.00 151 73.0 30.00 149 72.0 28.00 148 71.0 28.00 131
06/11/2020 68.0 27 133 72.0 31.00 153 72.0 31.00 153 72.0 30.00 150 73.0 30.00 150 68.0 26.00 131
06/12/2020 67.0 26 134 69.0 30.00 153 70.0 30.00 154 70.0 29.00 150 73.0 30.00 150 66.0 26.00 133

This table shows the five-day forward looking GDU accumulation for previous and forecast weather observations. The GDU accumulation is for a row in the table and includes the next 4 days. Researchers recommend that when a location receives more than 40 accumulated GDUs hybrid corn can be planted. High Yield Ag Solutions and KTS Wireless do not warrant the success of any recommendation. Absolutely no warranties are made regarding the success of these recommendations for any particular purpose. User expressly assumes the risk of all factors, including but not limited to acts of God, drought, wind and rain damage, crop disease, and the like, which may affect these recommendations.