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Trial Garden

Coreopsis ‘Jethro Tull’

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Summary

Coreopsis ‘Jethro Tull’ is a cultivar selected for its golden, fluted petals. We found this characteristic to be somewhat variable, but more stable than in C. auriculata ‘Zamphir’. Unfortunately, ‘Jethro Tull’ struggled to overwinter, with three plants dying over the first winter, and a fourth over the second. Some of this may have been due to disease pressure from powdery mildew, downy mildew, and leaf spot.


Details

  • Rating
    2.8 
  • Common Name
    Jethro Tull tickseed  
  • Bloom Period
    June 
  • Flower Size
    1¾” diameter 
  • Size
    8” x 12” (h x w) 
  • Weeks in Bloom
    4 weeks 
  • Disease Resistance
    Prone to powdery mildew, downy mildew, and leaf spot