Suggested crop seeding dates in South Dakota: Row crops. Crop Approximate
seeding dates by region Suggested
seeding dates* Historical
acres seeded, 1970 – 94** Region Earliest Latest Desired
range 10% 50% 90% Corn: Dent or Popcorn May
4 5 6 Jun
5
5
5 May
12 -26 May
10 - 24 May
10 - 24 May
10 9 6 May
26
20
18 Jun
9
5
4 NW NC NE Apr
29 May
3 6 Jun
8
5
5 May
12 - 24 May
6 - 26 May
6 - 26 May
12 9 4 May
25
20
16 Jun
10 5 3 WC C EC May
4 Apr
29
27 Jun
3
8 10 May
7 - 24 May
3 - 17 May
1 - 15 May
7 10 6 May
20
22
15 Jun
2 7 2 SW SC SE Grain Sorghum May
14 12 14 Jun
18
19
20 May
18 – Jun 15 May
15 – Jun 12 May
18 – Jun 15 May
23 20 22 Jun
10 6 7 Jun
27 26 25 NW NC NE May
15 13 9 Jun
20
13
16 May
18 – Jun 15 May
16 – Jun 10 May
12 – Jun 1 May
22
20
16 Jun
9 2 3 Jun
25
20
23 WC C EC May
16 12 7 Jun
15
17
17 May
18 – Jun 12 May
12 – Jun 10 May
10 – Jun 10 May
19
22
16 Jun
5
4 May
30 Jun
23
22
18 SW SC SE Soybean May
15 1 1 Jun
5 13 10 ----- May
5 - 25 May
5 - 25 ----- May
15
13 ----- May
30
28 ----- Jun
17
14 NW NC NE May
15 1 1 Jun
5
17
15 ----- May
5 - 25 May
5 - 25 ----- May
15 13 ----- May
28
27 ----- Jun
16
14 WC C EC May
15
1
1 Jun
10 30 25 ----- May
5 - 25 May
5 - 25 ----- May
18
13 ----- Jun
1 May
26 ----- Jun
14
13 SW SC SE Sunflower May
5 1 1 Jun
18
23
23 May
20 - Jun 15 May
15 - Jun 10 May
15 - Jun 10 May
24
19
19 Jun
12 4
4 Jun
29
23
24 NW NC NE ----- May
1 1 ----- Jun
20
22 ----- May
15 - Jun10 May
17 - Jun 7 ----- May
19
24 ----- Jun
3
6 ----- Jun
21
29 WC C EC ----- May
1 1 ----- Jun
22
24 ----- May
15 - Jun 7 May
15 - Jun 10 ----- May
24
19 ----- Jun
9 2 ----- Jun
21
20 SW SC SE * Dates are best estimates
obtained from historical and research data within a region. Insufficient or missing data is indicated by Ò-----Ò. ** SD Agricultural Statistical
Reporting Service. Compiled by: R. G. Hall, Extension Crops, South
Dakota State University, Brookings, SD.