Isotoma
pH:
B (6.2 - 5.8)
B (0.6 - 0.9)
Medium (150 - 200 ppm)
High
Moderate to Moist
B (65 - 72º Fahrenheit)
B (65 - 72º Fahrenheit)
A (40 - 50º Fahrenheit)
Early spring through fall finish. Standard PPP.
Starting Materials:
Liners
4-5" and Quart Pot : 5-6 weeks
6" and Gallon Pot : 6-8 weeks
7-9" Pot : 8-10 weeks
10-12" and Two Gallon Pot : 10-12 weeks
Pinching should not be necessary and may delay flowering. PGR's should not be needed.
Good sanitation practices include keeping greenhouses clean at all times, eliminating weeds and debris, disinfecting equipment in greenhouses as often as possible and keeping hose ends off of the greenhouse floor. Good water management practices are critical for good, healthy plant growth.
Watch for aphids and white flies and treat if necessary.
If grown cold and wet, fungus gnats can be problematic. Good cultural practices will largely eliminate the issue.
Second to move outside
Vernalization:
Cold Required 
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