North America Native Plant

Showy Penstemon

Botanical name: Penstemon spectabilis

USDA symbol: PESP3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Showy Penstemon: California’s Spectacular Native Wildflower If you’re looking for a show-stopping native plant that’ll have hummingbirds practically doing backflips in your garden, meet the showy penstemon (Penstemon spectabilis). This California native certainly lives up to its name with gorgeous tubular flowers that seem to glow in the garden landscape. ...

Showy Penstemon: California’s Spectacular Native Wildflower

If you’re looking for a show-stopping native plant that’ll have hummingbirds practically doing backflips in your garden, meet the showy penstemon (Penstemon spectabilis). This California native certainly lives up to its name with gorgeous tubular flowers that seem to glow in the garden landscape.

What Makes Showy Penstemon Special?

Showy penstemon is a perennial herb that belongs to the snapdragon family, and boy, does it know how to put on a display! This native wildflower produces tall spikes of tubular flowers in stunning shades of pink, purple, and magenta that bloom from late spring through summer. The flowers are perfectly designed for hummingbird beaks, making this plant a must-have for any pollinator-friendly garden.

Where Does It Call Home?

This beauty is native to Southern California, where it thrives in chaparral and desert regions. You’ll find it growing naturally in areas with well-draining, sandy or rocky soils where many other plants would struggle.

Why You’ll Want This in Your Garden

Showy penstemon isn’t just a pretty face – it’s a hardworking garden performer that offers multiple benefits:

  • Attracts hummingbirds, native bees, and butterflies
  • Extremely drought tolerant once established
  • Provides stunning vertical interest with flower spikes reaching 3-4 feet tall
  • Blooms for an extended period with proper care
  • Perfect for water-wise and native plant gardens

Best Garden Situations

This native gem shines brightest in:

  • Xeriscape and drought-tolerant gardens
  • Native California plant gardens
  • Pollinator and hummingbird gardens
  • Mediterranean-style landscapes
  • Rock gardens and slopes

Growing Conditions That Make It Happy

Showy penstemon is surprisingly easy to please once you understand its preferences. This plant thrives in USDA hardiness zones 8-10 and loves:

  • Full sun to partial shade (morning sun is essential)
  • Well-draining soil – soggy feet are its biggest enemy
  • Sandy or rocky soil conditions
  • Minimal water once established

Planting and Care Tips

Getting your showy penstemon off to a good start is straightforward with these tips:

  • Plant in fall for best establishment
  • Water regularly during the first year to help roots develop
  • Once established, water sparingly – this plant actually prefers to stay on the dry side
  • Deadhead spent flowers to encourage continued blooming
  • Cut back flower stalks after blooming to maintain plant shape
  • No fertilizer needed – rich soils can actually harm this native

The Bottom Line

Showy penstemon is a fantastic choice for gardeners wanting to support native wildlife while creating a stunning, low-maintenance display. Its drought tolerance and spectacular flowers make it perfect for California gardens and beyond. Just remember to give it the well-draining conditions it craves, and you’ll be rewarded with years of hummingbird entertainment and gorgeous blooms!

Showy Penstemon

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Penstemon Schmidel - beardtongue

Species

Penstemon spectabilis Thurb. ex A. Gray - showy penstemon

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA