Brunnera macrophylla Permafrost

Scientific Name : Brunnera macrophylla

Common Name : Great Forget-Me-Not

Hardiness Zone : 4a - 9a

Hardiness Degree : -25°F (-32°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 : 20 - 23" (51 - 58cm)

Height : 12 - 15" (30 - 38cm)

Width : 18 - 21" (46 - 53cm)

Exposure : Shade

General Information : Low-maintenance Permafrost brings attractive silver leaves to the shade for years of enjoyment. Mixes seamlessly into a wide range of shade garden designs. Bright blue flowers are an added bonus in Spring!

Idea & Tips : Plant in well-drained soil in a shaded location. Spent flowers may be removed to keep plants looking tidy. Fertilize Spring and Summer to keep plants healthy and actively growing. Remove old foliage in Fall or early Winter once plants have gone dormant.

Grower Information : Large leaves with strong venation for shaded areas.

Brighten up your shade display with this large-leaf plant with strong veins.
Displays bright blue flowers in Spring.
Produces less Summer browning compared to the competition.
Ideal for the landscape.

'Balbrupost'

Protection Information : EU PBRAF; PPAF

(Flowering Only License)

Breeder : Darwin Perennials

Propagation Guide
- 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
  
  Comments:
  
  This is a tissue culture raised item. Please see our detailed tissue culture propagation guide at darwinperennials.com. This item is generally a summer propagated item. Excessive heat can cause losses.
Finishing Guide
- 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

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