GENERAL INFORMATION
Scientific Name: Nepeta subsessilis
CommonName: Japanese Catmint
Hardiness Zone: 4a - 9a
Hardiness Degree: -25°F (-25°C)
Blooming Season: Spring, Late Spring, Summer
Plant Habit: Mounded
Characteristics: Attracts Bees, Attracts Butterflies, Deer Resistant, Attracts Hummingbirds, Scented Foliage, Frost Tolerant
Water: Medium
Fertilizer: Once a month
Spacing: 36 - 48" (91 - 122cm)
Height: 28 - 36" (71 - 91cm)
Width: 24 - 30" (61 - 76cm)
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: 500-1,000 ppm IBA
Mist: Moderate
Fertilization: 50-75 ppm N
Pinching: Recommended.
Transplanting: 35-42 days after sticking
FINISHING
Media pH: 5.8-6.2
Temperature: Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
Light Level (fc): 5,000 to 8,000
Vernalization: No
Daylength: Long day facultative
Watering: Allow media to dry moderately between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: Not necessary when pinched in liner.
Plant Growth Regulators: Use B-Nine/Cycocel 2,500/800 ppm to control height
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
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Unrooted: 15-17 wks Rooted: 10-12 wks
Bloom Months: March to September