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Coreopsis verticillata Tweety

Scientific Name : Coreopsis verticillata
Common Name : Tickseed
Hardiness Zone : 4a - 9b
Hardiness Degree : -25°F (-32°C)
Blooming Season : Spring, Late Spring, Summer, Autumn, Late Summer
Plant Habit : Upright
Water : Medium
Fertilizer : None or when needed only
Spacing : 14 - 16" (36 - 41cm)
Height : 14 - 16" (36 - 41cm)
Width : 14 - 16" (36 - 41cm)
Exposure : Sun
General Information : Compact, bushy habit makes for showy plants. Everblooming, season-long color.
Idea & Tips : Full sun, well-drained medium rich soil. Drought resistant.
Grower Information : Ever-blooming plant with plenty of sunny yellow flowers.
Compact, bushy habit requires no PGRs or bulking.
Ideal for quart programs.
'Tweety'
Protection InformationPP23,347
Breeder : Darwin Perennials
  • Propagation Guide

    • Media EC/pH:
      EC 0.75–0.80 mmhos/pH 5.8–6.2
      Soil Temperature:
      70–72°F (21–24°C)
      Rooting Hormone:
      1,000 ppm IBA
      Mist:
      Moderate
      Fertilization:
      50–75 ppm N
      Pinching:
      Pinch once in the liner stage and once after transplant for best results.
      Transplanting:
      35–42 days after sticking
      Comments:
      Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C). Remove flowers in propagation.
  • Finishing Guide

    • Media pH:
      5.8–6.2
      Temperature:
      Days: 55 to 80°F (13 to 27°C)
      Light Level (fc):
      5,000 to 8,000
      Vernalization:
      No
      Daylength:
      Long day obligate
      Watering:
      Allow media to dry evenly between watering.
      Fertilization:
      Maintain constant fertilization at 150 to 200 ppm N.
      Pinch After Transplant:
      Recommended
      Plant Growth Regulators:
      PGRs generally not needed
      Pests and Fungal Diseases:
      Manage soil moisture to avoid root diseases
  • Crop Scheduling

    • 1–qt. (10–cm) pot, 1 plant per pot:
      Unrooted: 13–15 wks Rooted: 8–10 wks
      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: 19–22 wks Rooted: 12–14 wks
      Bloom Months:
      June-Sept

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