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
02/28/2025 39.0 11 38 37.0 12.00 50 37.0 11.00 40 42.0 12.00 56 39.0 10.00 25
03/01/2025 43.0 7 29 43.0 10.00 42 45.0 9.00 32 43.0 14.00 55 40.0 4.00 15
03/02/2025 36.0 4 23 38.0 6.00 36 37.0 4.00 26 41.0 8.00 47 32.0 0.00 13
03/03/2025 45.0 8 27 45.0 10.00 41 46.0 8.00 32 35.0 8.00 51 38.0 7.00 21
03/04/2025 54.0 8 23 55.0 12.00 39 52.0 8.00 29 47.0 14.00 58 46.0 4.00 16
03/05/2025 39.0 2 21 46.0 4.00 31 43.0 3.00 22 51.0 11.00 52 36.0 0.00 17
03/06/2025 36.0 1 28 32.0 4.00 37 32.0 3.00 28 41.0 6.00 47 29.0 2.00 27
03/07/2025 42.0 8 41 44.0 11.00 46 41.0 10.00 38 37.0 12.00 53 42.0 8.00 39
03/08/2025 48.0 4 47 51.0 8.00 51 47.0 5.00 41 54.0 15.00 54 41.0 2.00 44
03/09/2025 45.0 6 62 49.0 4.00 63 46.0 1.00 52 51.0 8.00 51 42.0 5.00 60
03/10/2025 41.0 9 78 43.0 10.00 83 39.0 9.00 73 50.0 6.00 62 34.0 10.00 73
03/11/2025 45.0 14 83 39.0 13.00 89 40.0 13.00 79 42.0 12.00 78 40.0 14.00 77
03/12/2025 52.0 14 73 50.0 16.00 82 50.0 13.00 72 45.0 13.00 84 48.0 13.00 67
03/13/2025 59.0 19 67 60.0 20.00 75 52.0 16.00 67 51.0 12.00 79 58.0 18.00 63
03/14/2025 64.0 22 59 64.0 24.00 67 63.0 22.00 61 63.0 23.00 70 57.0 19.00 79 59.0 18.00 57
03/15/2025 55.0 14 47 58.0 16.00 56 57.0 15.00 49 62.0 20.00 62 60.0 22.00 74 54.0 14.00 47
03/16/2025 44.0 4 39 45.0 6.00 46 45.0 6.00 39 49.0 6.00 48 58.0 18.00 59 44.0 4.00 39
03/17/2025 37.0 8 43 38.0 9.00 49 40.0 8.00 41 39.0 9.00 51 45.0 8.00 49 36.0 9.00 43
03/18/2025 48.0 11 45 47.0 12.00 53 47.0 10.00 45 44.0 12.00 55 40.0 12.00 53 51.0 12.00 44
03/19/2025 47.0 10 47 53.0 13.00 57 50.0 10.00 51 55.0 15.00 61 44.0 14.00 57 45.0 8.00 42
03/20/2025 39.0 6 51 41.0 6.00 61 41.0 5.00 57 42.0 6.00 64 48.0 7.00 61 38.0 6.00 46
03/21/2025 38.0 8 55 39.0 9.00 67 39.0 8.00 64 38.0 9.00 72 38.0 8.00 72 38.0 8.00 48
03/22/2025 50.0 10 56 52.0 13.00 69 51.0 12.00 66 51.0 13.00 75 44.0 12.00 78 48.0 10.00 48
03/23/2025 53.0 13 58 57.0 16.00 69 56.0 16.00 66 57.0 18.00 76 52.0 16.00 80 50.0 10.00 50
03/24/2025 55.0 14 61 60.0 17.00 73 58.0 16.00 67 61.0 18.00 78 60.0 18.00 81 53.0 12.00 54
03/25/2025 52.0 10 63 54.0 12.00 76 53.0 12.00 69 57.0 14.00 79 59.0 18.00 81 48.0 8.00 56
03/26/2025 45.0 9 68 47.0 11.00 83 47.0 10.00 73 48.0 12.00 83 52.0 14.00 81 43.0 8.00 60

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.