GENERAL INFORMATION
Scientific Name: Kniphofia uvaria
CommonName: Red-hot Poker
Hardiness Zone: 6a - 9b
Hardiness Degree: -10°F (-10°C)
Blooming Season: Summer, Autumn, Late Summer
Plant Habit: Upright
Characteristics: Attracts Bees, Attracts Butterflies, Deer Resistant, Drought Tolerant, Attracts Hummingbirds, Rabbit Resistant, Heat Tolerant, Low Maintenance
Water: Medium
Fertilizer: Once a month
Spacing: 21 - 24" (53 - 61cm)
Height: 26 - 29" (66 - 74cm)
Width: 19 - 22" (48 - 56cm)
Exposure: Sun
PROPAGATION
Media EC/pH: EC 1.2-1.5 mmhos/pH 5.8-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 1,000 ppm IBA
Mist: Low
Fertilization: 50 ppm N when roots become visible
Pinching: Not necessary.
Transplanting: 12 weeks after sticking
FINISHING
Media pH: 5.8-6.2
Temperature: 68 to 72°F (20 to 22°C)
Light Level (fc): 5,000 to 8,000
Vernalization: No
Daylength: Long day obligate
Watering: Allow media to dry slightly between watering. Overwatering will result in slow bulk.
Fertilization: Use a balanced fertilizer at a rate of 150 to 175 ppm N. Generally a heavier feeder.
Pinch After Transplant: None
Plant Growth Regulators: PGRs not needed
Pests and Fungal Diseases: Pythium can result from overwatering. Aphids can also be a problem.
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Not recommended
1–gal. (15–cm) pot, 1 plant per pot: 12-14 wks for Summer to Fall flowering
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: 14-16 wks for Summer to Fall flowering
Bloom Months: July to November