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
11/25/2023 38.0 4 13 33.0 8.00 24 39.0 6.00 22 43.0 11.00 28 33.0 0.00 6
11/26/2023 37.0 3 13 39.0 4.00 20 38.0 4.00 20 54.0 6.00 23 33.0 0.00 8
11/27/2023 31.0 0 20 28.0 1.00 30 33.0 0.00 29 46.0 4.00 31 29.0 0.00 14
11/28/2023 33.0 0 26 30.0 4.00 37 33.0 4.00 37 39.0 4.00 41 31.0 0.00 14
11/29/2023 34.0 6 32 30.0 7.00 41 34.0 8.00 40 30.0 3.00 53 30.0 6.00 18
11/30/2023 42.0 4 29 43.0 4.00 40 39.0 4.00 37 31.0 6.00 60 37.0 2.00 15
12/01/2023 51.0 10 31 54.0 14.00 44 55.0 13.00 42 50.0 14.00 62 43.0 6.00 19
12/02/2023 48.0 6 21 50.0 8.00 34 47.0 8.00 32 62.0 14.00 52 40.0 0.00 13
12/03/2023 47.0 6 19 48.0 8.00 33 41.0 7.00 31 60.0 16.00 44 37.0 4.00 18
12/04/2023 41.0 3 19 37.0 6.00 35 39.0 5.00 32 51.0 10.00 36 37.0 3.00 19
12/05/2023 37.0 6 27 32.0 8.00 47 33.0 9.00 43 44.0 8.00 44 34.0 6.00 22
12/06/2023 36.0 0 21 32.0 4.00 43 36.0 3.00 36 38.0 4.00 46 29.0 0.00 16
12/07/2023 36.0 4 23 32.0 7.00 43 36.0 7.00 37 33.0 6.00 44 35.0 5.00 17
12/08/2023 46.0 6 23 46.0 10.00 42 45.0 8.00 36 42.0 8.00 42 44.0 5.00 15
12/09/2023 52.0 11 22 56.0 18.00 38 53.0 16.00 34 55.0 17.00 31 56.0 18.00 40 45.0 6.00 12
12/10/2023 34.0 0 16 36.0 4.00 26 37.0 2.00 24 36.0 2.00 20 43.0 10.00 26 34.0 0.00 8
12/11/2023 29.0 2 20 31.0 4.00 28 33.0 4.00 28 31.0 2.00 22 34.0 2.00 20 30.0 1.00 11
12/12/2023 32.0 4 22 34.0 6.00 30 34.0 6.00 30 33.0 5.00 24 33.0 4.00 24 32.0 3.00 12
12/13/2023 34.0 5 23 37.0 6.00 30 35.0 6.00 30 36.0 5.00 25 39.0 6.00 26 34.0 2.00 13
12/14/2023 36.0 5 22 41.0 6.00 30 40.0 6.00 30 41.0 6.00 26 45.0 4.00 26 34.0 2.00 13
12/15/2023 38.0 4 19 43.0 6.00 28 42.0 6.00 28 42.0 4.00 24 39.0 4.00 26 36.0 3.00 12
12/16/2023 40.0 4 19 45.0 6.00 28 44.0 6.00 27 44.0 4.00 24 45.0 6.00 26 38.0 2.00 11
12/17/2023 39.0 5 19 43.0 6.00 28 42.0 6.00 27 43.0 6.00 26 49.0 6.00 26 37.0 4.00 12
12/18/2023 38.0 4 19 42.0 6.00 28 41.0 6.00 27 42.0 6.00 26 44.0 6.00 27 36.0 2.00 12
12/19/2023 33.0 2 21 37.0 4.00 29 37.0 4.00 27 37.0 4.00 26 39.0 4.00 29 31.0 1.00 14
12/20/2023 35.0 4 23 39.0 6.00 31 38.0 5.00 29 38.0 4.00 28 37.0 4.00 33 35.0 2.00 15
12/21/2023 38.0 4 23 41.0 6.00 31 41.0 6.00 30 40.0 6.00 30 40.0 6.00 37 37.0 3.00 15

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.