North America Native Plant

Stickystem Penstemon

Botanical name: Penstemon glandulosus

USDA symbol: PEGL4

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Stickystem Penstemon: A Pacific Northwest Native That’s Perfect for Pollinators If you’re looking for a native perennial that brings both beauty and ecological value to your Pacific Northwest garden, let me introduce you to stickystem penstemon (Penstemon glandulosus). This delightful wildflower might have a somewhat unglamorous common name, but don’t ...

Stickystem Penstemon: A Pacific Northwest Native That’s Perfect for Pollinators

If you’re looking for a native perennial that brings both beauty and ecological value to your Pacific Northwest garden, let me introduce you to stickystem penstemon (Penstemon glandulosus). This delightful wildflower might have a somewhat unglamorous common name, but don’t let that fool you – it’s a true garden gem that deserves a spot in your landscape.

What Makes Stickystem Penstemon Special?

Stickystem penstemon is a native forb that calls the Pacific Northwest home. As a perennial herb, it lacks the woody tissue of shrubs and trees, instead sporting soft stems that die back each winter and return with vigor each spring. This reliable performer has been gracing the wild landscapes of Idaho, Oregon, and Washington for countless years, and it’s ready to do the same for your garden.

This native beauty grows naturally across Idaho, Oregon, and Washington, making it perfectly adapted to the unique growing conditions of the Pacific Northwest.

Beauty That Works Hard

What really sets stickystem penstemon apart is its stunning floral display. In late spring to early summer, tall spikes emerge crowned with clusters of tubular flowers in shades of purple, pink, or white. These aren’t just pretty faces – they’re specifically designed to attract some of nature’s most important pollinators.

The plant’s vertical flower spikes add wonderful architectural interest to garden beds, creating natural exclamation points among lower-growing companions. Whether you’re designing a cottage garden or a naturalized meadow, stickystem penstemon provides that perfect touch of wild elegance.

A Pollinator Magnet

Here’s where stickystem penstemon really shines – it’s absolutely irresistible to pollinators. Those tubular flowers are like tiny landing pads for:

  • Hummingbirds, who love the nectar-rich blooms
  • Native bees, including bumblebees and mason bees
  • Butterflies seeking sweet rewards

By planting stickystem penstemon, you’re not just adding beauty to your garden – you’re creating a vital food source for these important creatures.

Where Does It Belong in Your Garden?

Stickystem penstemon is wonderfully versatile and fits beautifully into several garden styles:

  • Native plant gardens: A natural choice for authentic regional landscapes
  • Pollinator gardens: Essential for supporting local wildlife
  • Xeriscape gardens: Perfect for water-wise gardening
  • Wildflower meadows: Adds height and structure to naturalized plantings
  • Cottage gardens: Provides that charming, informal look

Growing Conditions and Hardiness

One of the best things about choosing native plants like stickystem penstemon is how well-adapted they are to local conditions. This hardy perennial thrives in USDA hardiness zones 4-8, making it suitable for most Pacific Northwest gardens.

For optimal growth, provide:

  • Sunlight: Full sun to partial shade (morning sun is ideal)
  • Soil: Well-drained soils – this plant doesn’t like wet feet
  • Water: Drought tolerant once established, minimal watering needed

Planting and Care Made Simple

Growing stickystem penstemon successfully is refreshingly straightforward. Here’s how to set yourself up for success:

Planting: Spring is the ideal time to get your plants in the ground. Space them 12-18 inches apart to allow for proper air circulation and growth.

Establishment: Water regularly during the first growing season to help roots establish, then gradually reduce watering as the plant becomes drought tolerant.

Maintenance: This is where stickystem penstemon really wins points for being low-maintenance. Deadhead spent flowers to encourage additional blooms, and cut back stems in late fall or early spring.

Propagation: Seeds can be collected and sown, or you can divide established clumps in spring or fall.

Why Choose Native?

By choosing stickystem penstemon, you’re making a choice that benefits both your garden and the broader ecosystem. Native plants like this one support local wildlife, require less water and maintenance once established, and help preserve the natural character of Pacific Northwest landscapes.

Plus, there’s something deeply satisfying about growing plants that truly belong in your region – plants that have been thriving in your local environment for thousands of years.

The Bottom Line

Stickystem penstemon might not have the flashiest name, but it’s a reliable, beautiful, and ecologically valuable addition to Pacific Northwest gardens. Whether you’re a seasoned native plant gardener or just beginning to explore regional flora, this charming perennial offers beauty, wildlife value, and easy care – a winning combination in any garden.

Ready to welcome some native charm into your landscape? Stickystem penstemon is waiting to show you just how rewarding native gardening can be.

Stickystem 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 glandulosus Douglas - stickystem penstemon

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