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Penstemon x Dark Towers
Dark Towers Beardtongue: Patent PP20,013
- » Lavender flowers
- » Purple-red foliage
- » Needs well-drained soil for best performance
- » Native
- » Mildew resistant
- » A durable choice for the sun garden
- Category:Perennial
- Hardiness Zone:5-8
- Height:3-4 ft
- Spread:2-3 ft
- Bloom Color: Purple Shades
Known as one of America's most attractive native wildflowers, there has been considerable breeding work done on the genus Penstemon. 'Dark Towers' is a true testament to that with its superior form and mildew resistance, making it an improved garden selection. Lavender tubular flowers create a pleasing contrast against purple-red foliage that holds its color all summer long. Perfect for hot, dry areas of the garden.
Growing & Maintenance Tips for Penstemon x Dark Towers
Thrives in moist, well-drained soils and full sun. Feed yearly with an organic fertilizer. Prune spent flowers to encourage rebloom. Perfect for grouping or garden container use. Cut back to just above ground level after a hard freeze in late fall.