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
05/22/2023 63.0 22 117 65.0 26.00 124 63.0 24.00 120 67.0 24.00 105 56.0 18.00 108
05/23/2023 66.0 24 115 66.0 26.00 120 64.0 25.00 114 65.0 20.00 101 59.0 22.00 108
05/24/2023 63.0 22 113 64.0 24.00 116 61.0 22.00 110 65.0 21.00 101 62.0 24.00 107
05/25/2023 64.0 25 115 61.0 24.00 116 60.0 24.00 111 59.0 20.00 104 61.0 24.00 105
05/26/2023 63.0 24 116 61.0 24.00 116 63.0 25.00 110 61.0 20.00 108 59.0 20.00 107
05/27/2023 63.0 20 119 62.0 22.00 119 60.0 18.00 110 58.0 20.00 112 53.0 18.00 115
05/28/2023 61.0 22 128 58.0 22.00 125 57.0 21.00 118 56.0 20.00 116 58.0 21.00 125
05/29/2023 63.0 24 136 62.0 24.00 133 59.0 23.00 126 62.0 24.00 121 58.0 22.00 134
05/30/2023 63.0 26 142 60.0 24.00 139 57.0 23.00 132 62.0 24.00 123 62.0 26.00 142
05/31/2023 66.0 27 146 65.0 27.00 145 61.0 25.00 139 64.0 24.00 125 65.0 28.00 145
06/01/2023 68.0 29 151 67.0 28.00 148 62.0 26.00 143 66.0 24.00 127 66.0 28.00 147
06/02/2023 70.0 30 150 69.0 30.00 148 65.0 29.00 143 64.0 25.00 131 68.0 30.00 145
06/03/2023 68.0 30 150 67.0 30.00 148 65.0 29.00 143 66.0 26.00 133 66.0 30.00 143
06/04/2023 68.0 30 146 66.0 30.00 147 64.0 30.00 143 66.0 26.00 137 64.0 29.00 140
06/05/2023 70.0 32 142 67.0 30.00 145 65.0 29.00 141 64.0 29.00 140 64.0 26.00 139 68.0 30.00 136
06/06/2023 64.0 28 136 67.0 28.00 143 66.0 26.00 140 66.0 26.00 139 67.0 28.00 140 62.0 26.00 132
06/07/2023 65.0 30 136 67.0 30.00 143 67.0 29.00 142 66.0 27.00 143 66.0 27.00 142 62.0 28.00 133
06/08/2023 68.0 26 132 69.0 29.00 141 69.0 29.00 141 68.0 30.00 144 69.0 30.00 145 68.0 27.00 129
06/09/2023 63.0 26 132 66.0 28.00 140 67.0 28.00 140 67.0 28.00 143 68.0 28.00 143 62.0 25.00 126
06/10/2023 63.0 26 136 66.0 28.00 144 67.0 28.00 144 66.0 28.00 147 63.0 27.00 145 64.0 26.00 130
06/11/2023 68.0 28 146 69.0 28.00 152 69.0 28.00 152 69.0 30.00 155 69.0 30.00 149 68.0 27.00 140
06/12/2023 66.0 26 154 69.0 28.00 160 69.0 28.00 161 68.0 28.00 162 71.0 30.00 151 64.0 24.00 149
06/13/2023 63.0 26 162 65.0 28.00 167 66.0 28.00 167 67.0 29.00 170 68.0 28.00 155 62.0 24.00 158
06/14/2023 67.0 30 168 69.0 32.00 172 69.0 32.00 172 70.0 32.00 175 68.0 30.00 161 66.0 29.00 166
06/15/2023 74.0 36 173 75.0 36.00 176 75.0 36.00 176 73.0 36.00 179 70.0 31.00 163 73.0 36.00 171
06/16/2023 74.0 36 173 75.0 36.00 177 75.0 37.00 177 75.0 37.00 179 72.0 32.00 165 75.0 36.00 171
06/17/2023 73.0 34 173 75.0 35.00 178 74.0 34.00 177 74.0 36.00 178 73.0 34.00 166 71.0 33.00 171

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.