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Viola Halo Lemon Frost

Scientific Name : Viola cornuta
Common Name : Violet
Hardiness Zone : 5a - 9b
Hardiness Degree : -20°F (-29°C)
Blooming Season : Early Spring, Autumn, Winter
Plant Habit : Mounded, Spreading
Characteristics : Shade Tolerant
Water : Medium
Fertilizer : Once a month
Spacing : 12 - 14" (30 - 36cm)
Height : 8 - 10" (20 - 25cm)
Width : 10 - 12" (25 - 30cm)
Exposure : Partial Sun, Sun
General Information : Excellent hardiness.
Long lasting in the garden.
Great heat tolerance.
Summer-long flowering.
Idea & Tips : Heat-tolerant, low-maintenance plants stay compact in the garden.
Plant in full sun to part shade in slightly acidic soils.
Grower InformationExcellent hardiness for long-lasting garden enjoyment.
  • Very heat-tolerant.
  • No vernalization required.
  • Oversummers and overwinters.
  • Larger flowers than Celestial.

Extra-large, two-toned flowers captivate customers for early sales.
'Halo Lemon Frost'
Protection InformationEU PBR43716; PP26,383
Breeder : Darwin Perennials
  • Propagation Guide

    • Media EC/pH:
      EC 0.80-1.0 mmhos/pH 5.5-5.8
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      500-750 ppm IBA
      Moderate for first 24-48 hours, then reduce to low.
      50-75 ppm N at Day 7
      Soft pinch recommended 25-28 days after sticking.
      35-42 days after sticking
      Excessive media moisture will slow rooting. Begin fertilizing at Day 7 with 75 ppm N.
  • Finishing Guide

    • Media pH:
      Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C)
      Light Level (fc):
      5,000 to 8,000
      Day length neutral
      Allow media to dry slightly between watering.
      Use a balanced Pansy/Viola fertilizer at a rate of 125 to 150 ppm.
      Pinch After Transplant:
      Plant Growth Regulators:
      PGRs generally not needed
      Pests and Fungal Diseases:
      Watch for Thielaviopsis, Pythium, white fly, spider mites
  • Crop Scheduling

    • 1–qt. (10–cm) pot, 1 plant per pot:
      Unrooted: 11-13 wks Rooted: 6-8 wks
      1–gal. (15–cm) pot, 1 plant per pot:
      Unrooted: 13-15 wks Rooted: 8-10 wks
      2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
      Unrooted: 13-15 wks Rooted: 8-10 wks
      Bloom Months:
      February to April, September to October

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