GENERAL INFORMATION
Scientific Name: Brunnera macrophylla
CommonName: Great Forget-Me-Not
Hardiness Zone: 4a - 9a
Hardiness Degree: -25°F (-25°C)
Blooming Season: Spring
Plant Habit: Mounded
Characteristics: Attracts Bees, Deer Resistant, Rabbit Resistant, Water/Rain tolerant, Colorful/Attractive Foliage, Shade Tolerant, Low Maintenance, Frost Tolerant
Water: Medium
Fertilizer: Once a month
Spacing: 15 - 18" (38 - 46cm)
Height: 6 - 9" (15 - 23cm)
Width: 13 - 16" (33 - 41cm)
Exposure: Shade
PROPAGATION
Media EC/pH: EC 0.75-0.80 mmhos/pH 5.8-6.2
Soil Temperature: 68-72°F (21-22°C)
Rooting Hormone: None
Mist: Low mist or tenting
Fertilization: Balanced fertilizer 75-100 ppm
Pinching: None
Transplanting: 7-8 weeks
FINISHING
Media pH: 5.8-6.2
Temperature: Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C)
Light Level (fc): 1,500 to 2,500
Vernalization: Yes, required for flowering; however, plants sell as foliage.
Daylength: Day length neutral
Watering: Allow media to dry slightly between watering.
Fertilization: Use a balanced fertilizer at a rate of 100 to 125 ppm.
Pinch After Transplant: None
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: Pythium and rhizoctonia can result from overwatering.
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Not recommended
1–gal. (15–cm) pot, 1 plant per pot: 10-12 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: 12-14 wks
Bloom Months: April to May