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Coreopsis verticillata Sylvester

Scientific Name : Coreopsis verticillata
Common Name : Tickseed
Hardiness Zone : 4a - 9b
Hardiness Degree : -20°F (-29°C)
Blooming Season : Late Summer, Summer, Autumn
Plant Habit : Mounded
Water : Medium
Fertilizer : Once a month
Spacing : 16 - 20" (41 - 51cm)
Height : 16 - 20" (41 - 51cm)
Width : 14 - 16" (36 - 41cm)
Exposure : Sun
General Information : Compact, bushy habit.
Excellent for small garden spaces.
Everblooming with season-long color.
Idea & Tips : Full sun, well-drained, medium-rich soil.
Drought resistant.
Grower Information
  • Fuller plants can be finished from first-year cuttings.
  • Bright, golden yellow blooms are twice the size of other C. verticillata.
  • Perfect for gallon programs.
  • Stays in place in the landscape.
'Sylvester'
Protection InformationPP24,767
(Flowering Only License)
Breeder : Darwin Perennials
  • Propagation Guide

    • Media EC/pH:
      EC 0.75-0.80 mmhos/pH 5.8-6.2
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      1,000 ppm IBA
      Mist:
      Low
      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 to September

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Marketing Information
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