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.
Characteristics and Attributes
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