Plant Calculator

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

Approx. Length (ft):
Approx. Width (ft):
*Distance Between Plants (in):

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

Penstemon 'Blackbird'

Beardtongue

  • Noted for its vibrant flower color
  • Deep reddish purple flowers
  • Long season of bloom

  • Category: Perennials
  • Hardiness Zone: 8-10
  • Height: 18-24 in
  • Spread: 12-18 in
  • Bloom Color: Red
Item Size Avail Your Price Qty
10885-101 1 GAL 25 $23.00
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