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Perovskia CrazyBlue

Scientific Name : Perovskia atriplicifolia
Common Name : Russian Sage
Hardiness Zone : 4a - 9b
Hardiness Degree : -25°F (-32°C)
Blooming Season : Late Summer, Summer
Plant Habit : Mounded
Characteristics : Deer Resistant, Rabbit Resistant
Water : Light
Fertilizer : Once a month
Spacing : 14 - 16" (36 - 41cm)
Height : 16 - 18" (41 - 46cm)
Width : 14 - 16" (36 - 41cm)
Exposure : Sun
General Information : Deer and rabbit resistant Perovskia that doesn’t fall open in wind and rain.
Idea & Tips : Plant in sunny location with well-drained soils.
Fertilize monthly.
Grower InformationColorado State University Flower Trial 2016 “Top Performer Perennials” Winner.
  • Unique, interlacing branches prevent breakage during shipping.
  • Looks good longer at retail and in patio containers.
  • Deeper blue flowers than any other Perovskia.
Very good performer with 4.6/5 average score, excellent flowering from Penn State University, Landisville, Pennsylvania, first season, 2015.
'CrazyBlue'
Protection InformationEU PBR41166; PP25,639
(Flowering Only License)
Breeder : Darwin Perennials
  • Propagation Guide

    • Media EC/pH:
      EC 1.0-1.25 mmhos/pH 5.8-6.2
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      1,000-1,500 ppm IBA
      Mist:
      Moderate to high for first 24 hours, then reduce to low
      Fertilization:
      50-75 ppm N after 10 days
      Pinching:
      Recommended.
      Transplanting:
      35-42 days after sticking
      Comments:
      Do not oversaturate rooting media. Allow media to dry moderately starting 10 days after sticking to encourage root development.
  • Finishing Guide

    • Media pH:
      5.8-6.2
      Temperature:
      Nights: 55 to 65°F (13 to 18°C) Days: 60 to 65°F (16 to 18°C)
      Light Level (fc):
      5,000 to 8,000
      Vernalization:
      No
      Daylength:
      Long day obligate
      Watering:
      Allow media to dry slightly between watering.
      Fertilization:
      Use a balanced fertilizer at a rate of 125 to 150 ppm.
      Pinch After Transplant:
      Recommended
      Plant Growth Regulators:
      PGRs generally not needed
      Pests and Fungal Diseases:
      Pythium can be a problem if overwatered. 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: 14-16 wks Rooted: 10-12 wks
      2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
      Unrooted: 14-16 wks Rooted: 10-12 wks
      Bloom Months:
      July to September

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