Penstemon 'Dark Towers' Beardtongue

Penstemon ‘Dark Towers’ Beardtongue

May 27, 2025
Adams Fairacre Farms

Celebrated as one of America’s most striking wildflowers, Penstemon has been the focus of extensive breeding efforts. ‘Dark Towers’ exemplifies the success of this work, offering a refined shape and excellent mildew resistance that make it a standout choice for gardens. Its soft lavender, tubular blooms provide a beautiful contrast to the deep purple-red foliage, which retains its rich color throughout the summer. Ideal for sunny, dry spots in the landscape.

Penstemon ‘Dark Towers’ Beardtongue Optimal Growing Conditions

Hardiness Zone
5-8

Sun Needs
Full Sun – Partial Sun

Soil Needs
Well-Drained

Water Needs
Dry to medium

Appearance and Characteristics

Category
Perennial

Height
3-4′

Spread
2-3′

Flower Color
Purple shades

Foliage Color
Purple & red shades

Blooming Time
May – June

Plant Uses & Characteristics
Showy flowers
Mildew resistant
Attracts butterflies
Attracts hummingbirds
Durable in a sun garden
Deer tolerant

Read Sue Adams’ Tips for Perennials HERE