Vegetative Variety

Eupatorium purpureum Euphoria™

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Data is gathered from our West Grove, Pa., trials (Zone 6a). Southern growers: expect 1-2 weeks earlier finishing. Northern growers: 1 week slower. Consider summertime scheduling accurate. Dates based on a standard 72 liner size.

Week color desired
URC stick week
Liner transplant week
(1 ppp)
*Transplant after week 26 leads to much delayed finish. Crops should be scheduled to finish before week 36
Eupatorium purpureum Euphoria™ Ruby
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Propagation Guide
Media EC/pH: EC 0.75-0.80 mmhos/pH 5.8-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 500 ppm IBA
Mist: Low to moderate
Fertilization: 50 ppm N starting at Day 7
Pinching: Yes, pinch once in propagation around Day 21.
Transplanting: 42-49 days after sticking
Comments: Eupatorium are quite easy to root. Use a basal hormone tip to ensure rooting uniformity.
Finishing Guide
Media pH: 5.8-6.2
Temperature: Nights: 55 to 60°F (13 to 16°C) Days: 60 to 65°F (16 to 18°C)
Light Level (fc): 5,000 to 8,000
Vernalization: No
Daylength: Long day obligate
Watering: Allow media to dry moderately between watering.
Fertilization: Use a balanced fertilizer at a rate of 150 to 175 ppm.
Pinch After Transplant: One pinch, two to three weeks after transplant.
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: Aphids, white fly, spider mites