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
03/09/2023 50.0 6 20 56.0 14.00 44 54.0 12.00 39 57.0 16.00 78 45.0 1.00 7
03/10/2023 46.0 4 14 47.0 7.00 32 49.0 5.00 27 59.0 20.00 67 39.0 3.00 6
03/11/2023 43.0 4 12 44.0 10.00 31 44.0 10.00 26 46.0 14.00 53 39.0 0.00 5
03/12/2023 45.0 6 18 44.0 11.00 33 43.0 10.00 26 60.0 20.00 51 42.0 3.00 9
03/13/2023 39.0 0 19 39.0 2.00 29 39.0 2.00 22 50.0 8.00 49 32.0 0.00 8
03/14/2023 32.0 0 19 34.0 2.00 29 36.0 0.00 23 40.0 5.00 45 28.0 0.00 8
03/15/2023 32.0 2 19 32.0 6.00 27 31.0 4.00 23 37.0 6.00 42 29.0 2.00 8
03/16/2023 46.0 10 19 47.0 12.00 25 48.0 10.00 21 38.0 12.00 40 46.0 4.00 7
03/17/2023 43.0 7 13 40.0 7.00 23 40.0 6.00 18 57.0 18.00 38 36.0 2.00 3
03/18/2023 36.0 0 22 38.0 2.00 36 37.0 3.00 29 46.0 4.00 35 29.0 0.00 12
03/19/2023 28.0 0 44 29.0 0.00 56 30.0 0.00 47 39.0 2.00 49 24.0 0.00 34
03/20/2023 28.0 2 66 25.0 4.00 82 26.0 2.00 69 30.0 4.00 69 27.0 1.00 50
03/21/2023 41.0 4 78 45.0 10.00 98 46.0 7.00 85 33.0 10.00 87 40.0 0.00 57
03/22/2023 54.0 16 86 60.0 20.00 104 55.0 17.00 92 48.0 15.00 101 46.0 11.00 67
03/23/2023 64.0 22 83 60.0 22.00 104 63.0 21.00 92 63.0 24.00 104 54.0 18.00 110 65.0 22.00 64
03/24/2023 65.0 22 69 68.0 26.00 94 64.0 22.00 81 68.0 26.00 93 60.0 22.00 108 59.0 16.00 48
03/25/2023 56.0 14 55 62.0 20.00 79 59.0 18.00 69 63.0 20.00 77 64.0 22.00 99 49.0 8.00 38
03/26/2023 49.0 12 51 54.0 16.00 74 52.0 14.00 65 54.0 14.00 71 66.0 24.00 91 46.0 10.00 38
03/27/2023 53.0 13 59 62.0 20.00 82 59.0 17.00 73 63.0 20.00 80 66.0 24.00 88 48.0 8.00 44
03/28/2023 50.0 8 55 56.0 12.00 79 54.0 10.00 70 57.0 13.00 78 61.0 16.00 88 46.0 6.00 43
03/29/2023 45.0 8 57 49.0 11.00 82 48.0 10.00 73 50.0 10.00 81 53.0 13.00 92 42.0 6.00 47
03/30/2023 52.0 10 64 55.0 15.00 89 54.0 14.00 79 54.0 14.00 88 50.0 14.00 97 49.0 8.00 53
03/31/2023 63.0 20 66 67.0 24.00 90 66.0 22.00 79 65.0 23.00 90 57.0 21.00 100 61.0 16.00 53
04/01/2023 53.0 9 56 63.0 17.00 80 59.0 14.00 69 63.0 18.00 80 63.0 24.00 95 52.0 7.00 45
04/02/2023 46.0 10 57 54.0 15.00 76 52.0 13.00 67 55.0 16.00 74 62.0 20.00 87 44.0 10.00 46
04/03/2023 57.0 15 57 59.0 18.00 75 58.0 16.00 66 58.0 17.00 70 56.0 18.00 81 55.0 12.00 44
04/04/2023 53.0 12 52 57.0 16.00 71 56.0 14.00 62 56.0 16.00 65 56.0 17.00 77 50.0 8.00 40

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.