Eustoma

(seed; cutflower)

Stage 1

Rooting hormones
No

Vermiculite cover
No

Germ. light
Yes

Soil temp (min)
72

Soil temp (max)
75

Irrigation frequency
Medium

Surfactant
No

Time (min)
10

Time (max)
12

Stage 2

Soil temp (min)
68

Soil temp (max)
72

Moisture
Medium

Fertilizer
50-75 1x/wk

Soil EC
<0.75

Time (min)
7

Time (max)
7

Stage 3

Soil temp (min)
65

Soil temp (max)
68

Allow to wilt
No

Wash leaves
No

Fertilizer
100-150 2x/wk

Soil EC
<1.2

Suppl. light
yes

Time (min)
28

Time (max)
28

Stage 4

Soil temp (max)
65

Allow to wilt
No

Wash leaves
No

Fertilizer
100-150 2x/wk

Soil EC
<1.0

Time (min)
9

Time (max)
11

General

  • Keep temperature below 78°Fl25oC, but above 60°F/15oC to prevent rosetting
  • Provide long days to improve flowering
  • Keep soil pH >6
  • 0
  • Reduce moisture after cotyledon expansion to control algae
  • Do not hold plugs until root-bound! Germinate on bench to provide 200 f
  • c
  • of light for best germination
  • 9-11 weeks total crop time

adapted from data published by Dr. Roger Styer