GENERAL INFORMATION
Scientific Name: Phlox hybrida
CommonName: Mounding Phlox
Hardiness Zone: 4a - 8b
Hardiness Degree: -25°F (-25°C)
Blooming Season: Early Spring, Spring
Plant Habit: Mounded
Water: Medium
Fertilizer: Once a month
Spacing: 16 - 18" (41 - 46cm)
Height: 14 - 16" (36 - 41cm)
Width: 14 - 16" (36 - 41cm)
Exposure: Partial Sun, 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 at least two leaf internodes at each pinch.
Transplanting: 42-49 days after sticking
FINISHING
Media pH: 5.8-6.2
Temperature: 60 to 75°F (16 to 24°C)
Light Level (fc): 5,000 to 8,000
Watering: Moderate
Fertilization: Use a balanced fertilizer at a rate of 150 to 200 ppm N.
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: Rooted: 7-9 wks
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: April to May