Plant Calculator

Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Ilex glabra 'Strongbox®' you will need.

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

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

Ilex glabra 'Strongbox®'

Inkberry Holly

  • Tight compact, mounded habit
  • Glossy foliage
  • Showy black berries in the fall

Proven Winners
  • Category: Shrubs
  • Alternate Cultivar: 'ILEXFARROWTRACEY'
  • Breeder: Proven Winners
  • Hardiness Zone: 5-9
  • Height: 2-3 ft
  • Spread: 2-3 ft
  • Spacing: 2-3 in
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