GENERAL INFORMATION
Scientific Name: Phlox paniculata
CommonName: Garden Phlox
Hardiness Zone: 4b - 9a
Hardiness Degree: -30°F (-30°C)
Blooming Season: Late Spring, Summer, Late Summer
Plant Habit: Upright
Characteristics: Attracts Bees, Attracts Butterflies, Attracts Hummingbirds, Rabbit Resistant, Low Maintenance, Frost Tolerant
Water: Medium
Fertilizer: Once a month
Spacing: 18 - 20" (46 - 51cm)
Height: 18 - 20" (46 - 51cm)
Width: 16 - 18" (41 - 46cm)
Exposure: Sun
PROPAGATION
Media EC/pH: EC 0.80 mmhos/pH 5.8-6.2
Soil Temperature: 68-74°F (20-23°C)
Rooting Hormone: 500 ppm IBA
Mist: Low to moderate
Fertilization: 75-100 ppm N starting at Day 7
Pinching: Yes, while young plants are soft and actively growing. Allow two internodes at each pinch.
Transplanting: 42-49 days after sticking
FINISHING
Media pH: 5.8-6.2
Temperature: Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C)
Light Level (fc): 5,000 to 8,000
Vernalization: No
Daylength: Long day obligate
Watering: Moderate
Fertilization: Use a balanced fertilizer at a rate of 150 to 175 ppm N.
Pinch After Transplant: Yes, in cases where there are two or less shoots.
Plant Growth Regulators: Configure at 600 ppm to increase branching
Pests and Fungal Diseases: Powdery mildew when pressure is high.
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Not recommended
1–gal. (15–cm) pot, 1 plant per pot: Rooted: 10-12 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Rooted: 12-14 wks
Bloom Months: June to August