Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Penstemon 'Onyx and Pearls' you will need.
*Correct and successful spacing is complex and depends on project conditions.
Penstemon 'Onyx and Pearls'
Penstemon
- Striking purple foliage
- Tall upright habit
- Creamy white flowers
- Ideal for the perennial border
- Category: Perennials
- Hardiness Zone: 3-8
- Height: 36-42 in
- Spread: 36-42 in
- Spacing: 36-42 in
- Bloom Color: White
Attributes
| • | Border or Bed |
| • | Cut Flower/Foliage |
| • | Drought Tolerant |
| • | Great Foliage |
| • | Mass Planting |
| • | Rock Garden |
| • | Salt Tolerant |
Habit
| • | Upright |
Season of Interest (Flowering)
| • | Summer |
