Ammi majus

(seed; cutflower)

Stage 1

ComponentValue
Rooting hormonesNo
Vermiculite coverNo
Soil temp (min)72
Soil temp (max)75
Irrigation frequencyMedium
SurfactantNo
Time (min)5
Time (max)7

Stage 2

Soil temp (min)
65

Soil temp (max)
70

Moisture
Medium

Fertilizer
50-75 1x/wk

Soil EC
<0.75

Time (min)
7

Time (max)
7

Stage 3

Soil temp (min)
62

Soil temp (max)
65

Allow to wilt
No

Wash leaves
No

Fertilizer
100-150 1x/wk

Soil EC
<1.0

Time (min)
21

Time (max)
21

Stage 4

Soil temp (max)
62

Allow to wilt
No

Wash leaves
No

Fertilizer
100-150 1x/wk

Soil EC
<0.75

Time (min)
6

Time (max)
7

General

  • Alternating germination temperatures of 86°F day/68°F night (30°C/20°C) may be needed for good germination of old seed
  • Control growth with DIF, moisture, light, and fertilizer
  • Leaves have a tendency to turn yellow quickly
  • Do not hold plugs!
  • 6-7 weeks total crop time

adapted from data published by Dr. Roger Styer