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Back to trial Coreopsis

Trial Garden

Coreopsis lanceolata

5 Photos


Summary

Coreopsis lanceolata proved to be reliably hardy throughout the entire trial, even when it became infected with downy and powdery mildew in 2013. Its floral display was meager during the first two years; however, during June of the third year, there were approximately 80 flowers per plant. The floral display probably would have been better during the second year had it not been for the extremely wet weather and resulting disease problems. It is worth noting that Coreopsis lanceolata and its cultivar ‘Sterntaler’ were among the few non-rhizomatous plants to survive the entire trial.


Details

  • Rating
    3.3 
  • Common Name
    lance-leaf tickseed  
  • Bloom Period
    June. Sporadically through Aug. 
  • Flower Size
    1.5” diameter 
  • Size
    12”x 24” (h x w) 
  • Weeks in Bloom
    3 weeks (sporadically for 12 weeks) 
  • Disease Resistance
    Prone to downy mildew and powdery mildew