GENERAL INFORMATION
Scientific Name: Penstemon hybrida
CommonName: Beard Tongue
Hardiness Zone: 5a - 9b
Hardiness Degree: -20°F (-20°C)
Blooming Season: Late Spring, Summer, Late Summer
Plant Habit: Upright
Characteristics: Attracts Hummingbirds, Heat Tolerant
Water: Light
Fertilizer: Once a month
Spacing: 18 - 20" (46 - 51cm)
Height: 20 - 24" (51 - 61cm)
Width: 16 - 18" (41 - 46cm)
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: Moderate to high for first 24 hours, then reduce to low.
Fertilization: 50-75 ppm N
Pinching: Recommended.
Transplanting: 35-42 days after sticking
FINISHING
Media pH: 5.8-6.2
Temperature: Nights: 45 to 70°F (7 to 21°C) Days: 55 to 80°F (13 to 27°C)
Light Level (fc): 3,000 to 5,000
Vernalization: No
Daylength: Long day obligate
Watering: Allow media to dry moderately between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: Yes
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: 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: 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