GENERAL INFORMATION
Scientific Name: Eupatorium purpureum
CommonName: Joe-Pye Weed
Hardiness Zone: 4a - 9a
Hardiness Degree: -30°F (-30°C)
Blooming Season: Summer, Autumn, Late Summer
Plant Habit: Mounded
Characteristics: Attracts Bees, Attracts Butterflies, Deer Resistant, Rabbit Resistant, Low Maintenance, Frost Tolerant
Water: Light
Fertilizer: Once a month
Spacing: 24 - 30" (61 - 76cm)
Height: 24 - 32" (61 - 81cm)
Width: 24 - 28" (61 - 71cm)
Exposure: Sun
PROPAGATION
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
FINISHING
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
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Not recommended
1–gal. (15–cm) pot, 1 plant per pot: Unrooted: 15-17 wks Rooted: 10-12 wks Natural flowering in early July
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Unrooted: 15-17 wks Rooted: 10-12 wks Natural flowering early July
Bloom Months: July to October