Shop With Confidence: FREE Growing & Glowing Guarantee

Free Shipping on Orders $199+

Dark Towers Penstemon

Penstemon 'Dark Towers'

  • Dramatic Deep Red Foliage Pairs with Two-Toned Pink Tubular Flowers for Year-Round Garden Interest
  • Cold Hardy: Thrives in Zones 3-8
  • Grows 1.5-3 ft Tall, 1-2 ft Wide
  • Showy Pink Blooms From Early Summer to Late Summer
  • Pollinator-Friendly - Attracts Songbirds
Regular price $3462
Shipping calculated at checkout.
Out of stock
Outside your zone (): not guaranteed Why

Rated for zones 3 to 8. Great in a pot brought indoors for winter, or as an annual.

Houseplant: grows indoors in any zone
Will it grow in your garden?

Unfortunately, this item cannot be shipped to your state.

Shipping to your area may be delayed due to weather conditions.

Enter your ZIP code to check shipping availability.

Plant Size

Specifications

Plant specifications
Hardiness Zone 3a to 8b
Sunlight Full sun
Height 1.5-3 ft
Width 1-2 ft
Growth Rate Moderate
Watering Needs Moderate
Landscape Use Rock Garden, Border, Woodland Garden
Blooms In Summer
Flower Color Pink
Foliage Color Green
Plant Characteristics Cold hardy, Low Maintenance, Flowering, Native, Deer-resistant, Heat Tolerant, Drought resistant, Clay Tolerant, Attracts pollinators, Attracts Hummingbirds, Non-invasive
Botanical Name Penstemon 'Dark Towers'
Does Not Ship To AK, HI, ID, MT, PR
This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.
D
Dusty
Easy to grow

Dark towers is a very nice plant because of its red foliage and pink flowers and it comes back each spring.

Hi Dusty,

Thank you so much for sharing your experience with the Dark Towers Penstemon! We're delighted to hear that you enjoy its striking red foliage and delicate pink flowers both visually and for how reliably it returns each spring. It’s such a wonderfully low-maintenance plant that adds a splash of color year after year.

If you ever want to keep your Penstemon looking its best, a little pruning in late winter just before new growth starts can encourage even fuller blooms. Also, ensuring it’s in well-drained soil with plenty of sunlight will keep your plant thriving and vibrant.

Thanks again for your kind feedback—it means the world to us to hear from happy gardeners like you!

Bloom on,
The Nature Hills Plant Knowledge Team

D
Dusty
Easy to grow

Dark towers is a very nice plant because of its red foliage and pink flowers and it comes back each spring.

Dear Dusty,

Thank you so much for sharing your experience with the Dark Towers Penstemon! We’re delighted to hear that its striking red foliage and charming pink flowers have made an enchanting addition to your garden—and it’s wonderful that it returns faithfully every spring, adding consistent beauty year after year.

If you ever want to encourage even more vibrant blooms or maintain its health, make sure it’s planted in well-draining soil with plenty of sunlight, and occasional watering during dry spells can boost its performance. Feel free to reach out anytime for more growing tips or plant suggestions—we’re always here to help your garden flourish.

Bloom on,
The Nature Hills Plant Knowledge Team

Frequently Asked Questions

Does Dark Towers Penstemon grow well in my planting zone (e.g., zone 3 or 5-8)?

  • Dark Towers Penstemon thrives in USDA zones 3-9, making it exceptionally hardy across most climates. This cultivar was specifically selected for improved cold tolerance and heat resistance. Plant it in full sun with well-draining soil for best results.

What are the sunlight requirements for Dark Towers Penstemon?

  • Dark Towers Penstemon thrives in full sun locations. This hardy perennial performs best with 6+ hours of direct sunlight daily, which enhances its deep red foliage color and promotes abundant flowering. Plant in sunny borders, pathways, or xeriscaping designs for optimal results.

How much water does Dark Towers Penstemon need after it's established?

  • Once established, Dark Towers Penstemon is drought tolerant and needs minimal supplemental water. This hardy native thrives in xeriscaping conditions across zones 3-9. Water deeply but infrequently during extended dry spells, allowing soil to dry between waterings.

How do I prune or maintain Dark Towers Penstemon for best shape?

  • Deadhead spent flower spikes in mid-summer to encourage a second flush of blooms. Cut back the entire plant by one-third in late fall or early spring to maintain compact form. In zones 3-6, leave some stem length for winter protection.

What pests or diseases affect Dark Towers Penstemon, like powdery mildew or slugs?

  • Dark Towers Penstemon is naturally resistant to most pests and diseases when grown in well-draining soil. Slugs may occasionally target young foliage in overly moist conditions. Ensure good air circulation and avoid overhead watering to prevent any fungal issues. Shop disease-resistant natives at naturehills.com.

Is Dark Towers Penstemon attractive to pollinators like butterflies, bees, or hummingbirds?

  • Dark Towers Penstemon is a magnet for hummingbirds, butterflies, and other pollinators throughout early and mid-summer. The tubular pink flowers are perfectly shaped for hummingbird feeding, while the native genetics support butterfly larvae. Plant in full sun zones 3-9 for best pollinator activity.

How is Dark Towers Penstemon shipped, and in what size pots or containers?

  • Dark Towers Penstemon ships as a live plant in a nursery pot, typically arriving ready to transplant. This hardy perennial establishes quickly in zones 3-9 and becomes drought tolerant once its root system develops. Plant in full sun for best foliage color and flowering performance.

Is Dark Towers Penstemon winter hardy in cold climates like zone 3b?

  • Dark Towers Penstemon is hardy in USDA zones 3-9, including zone 3b. This cultivar was specifically selected for improved hardiness in cold climates. Plant in well-draining soil and full sun for best winter survival.