'Dark Amethyst' Bearded Penstemon
Penstemon barbatus
Overview
The Penstemon barbatus 'Dark Amethyst' is a mounded perennial with dark green foliage and vivid reddish-purple tubular flowers that attract bees and hummingbirds. It grows 18-22 inches tall and 20-26 inches wide. Best in full sun with average to fertile, well-drained soil, it dislikes wet winter conditions and benefits from added gravel in heavy soils. Hardy in USDA Zones 4-8.
Sun FullWater Medium
Culture
- Sun
- Full
- Water
- Medium
Shape & size
- Mature height
- 1.5–1.8333334 Ft.
- Mature width
- 1.6666666–2.1666667 Ft.
Classification
- Family
- Plantaginaceae
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