Plant Calculator

Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Coreopsis verticillata 'Heartstrings' you will need.

Approx. Length (ft):
Approx. Width (ft):

*Correct and successful spacing is complex and depends on project conditions.

Designer Threads™

Coreopsis verticillata 'Heartstrings'

Threadleaf Coreopsis

  • Long blooming, stunning bicolor flowers
  • Blooms all summer
  • Fast growing
  • Mildew resistant

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