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Johnny's Sunflower Succession Planting Program

Johnny's
Single-Stem SUNFLOWER

Succession Planting–Harvesting Programs

3 Ways to Expand Your Sunflower Harvest

A season-long sunflower harvest can be achieved through succession planting. There are two basic ways to plant for a successive harvest, and a third, combination approach:

  1. A single planting of multiple varieties that have different days to maturity.
    » Example Chart 1
  2. Multiple plantings of the same variety at 7–14-day intervals.
    » Example Chart 2
  3. Planting multiple varieties with varying days to maturity at 21–28-day intervals.
    » Example Chart 3

Use these charts as a guide to plan for a full season of blooms, modifying your dates according to the varieties you choose and your growing conditions.

» Days to maturity (DTM) for our sunflower series are listed below the charts.

Example Chart 1 :: A single planting of multiple varieties

The easiest way to succession-plant sunflowers is to grow several single-stem varieties with different days to maturity, planting them all at once, then harvesting over several weeks.

T I M E
7
14
21
28
35
42
49
56
63
70
77
84
91
98
105
112
119
126
ONE
TWO
THREE
FOUR
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
Seeding
 
 
< -- 60– 70 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
Seeding
 
 
< -- 60– 70 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
Seeding
 
 
 
< -- 70– 80 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
Example Chart 2 :: Multiple plantings of a single variety

A second way to extend your sunflower harvest is to plant a single variety on multiple seeding dates (7–14-day intervals). Continue seeding and harvesting as long as your growing season will allow.

T I M E
7
14
21
28
35
42
49
56
63
70
77
84
91
98
105
112
119
126
ONE
TWO
THREE
FOUR
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
Example Chart 3 :: Multiple plantings of multiple varieties

The third approach is to plant multiple varieties with varying days to maturity. This combined approach requires fewer seeding dates (21–28-day intervals) and provides for the longest sunflower harvest window.

T I M E
7
14
21
28
35
42
49
56
63
70
77
84
91
98
105
112
119
126
ONE
TWO
THREE
FOUR
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
Seeding
 
 
< -- 60– 70 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
Seeding
 
 
 
< -- 70– 80 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
Seeding
 
 
< -- 60– 70 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
Seeding
 
 
 
< -- 70– 80 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
 
Seeding
 
< -- 50– 60 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
 
Seeding
 
 
< -- 60– 70 Days to Maturity -- >
 
HARVEST
 
 
 
 
 
 
 
Seeding
 
 
 
< -- 70– 80 Days to Maturity -- >
 
HARVEST
Days to Maturity (DTM) • Johnny's Single-Stemmed Sunflower Series

Single-stem varieties are uniform and predictable about bloom times during the main season, and about a week slower in early spring and fall. We recommend the ProCut Series as the earliest and most dependable series for early- and late-season plantings.

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