North America Native Plant

Purdy’s Penstemon

Botanical name: Penstemon heterophyllus purdyi

USDA symbol: PEHEP

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Penstemon heterophyllus Lindl. var. purdyi (D.D. Keck) McMinn (PEHEP3)  âš˜  Penstemon spinulosus Wooton & Standl. (PESP11)   

Purdy’s Penstemon: A California Native Gem for Your Garden If you’re looking to add some purple pizzazz to your California garden while supporting local ecosystems, meet Purdy’s penstemon (Penstemon heterophyllus purdyi). This delightful native perennial brings both beauty and ecological benefits to landscapes throughout the Golden State. What Makes Purdy’s ...

Purdy’s Penstemon: A California Native Gem for Your Garden

If you’re looking to add some purple pizzazz to your California garden while supporting local ecosystems, meet Purdy’s penstemon (Penstemon heterophyllus purdyi). This delightful native perennial brings both beauty and ecological benefits to landscapes throughout the Golden State.

What Makes Purdy’s Penstemon Special?

Purdy’s penstemon is a true California native, growing naturally throughout the state. As a perennial herb, this charming plant returns year after year, reaching a modest 2 feet in both height and width. Its semi-erect growth form creates an attractive, multi-stemmed appearance that fits beautifully into various garden designs.

The star of the show? Those gorgeous purple flowers that bloom conspicuously in mid-spring, creating a vibrant display when many other plants are just waking up from winter. The green foliage provides a lovely backdrop, with a coarse texture that adds visual interest even when the plant isn’t in bloom.

Where Does It Grow?

This penstemon is native to California, where it has adapted to the state’s unique climate and growing conditions.

Perfect for California Gardens

Purdy’s penstemon is ideally suited for:

  • Native plant gardens
  • Drought-tolerant landscapes
  • Pollinator gardens
  • Natural or wildflower gardens
  • Mediterranean-style landscapes

With its moderate growth rate and compact size, this penstemon works wonderfully as a mid-border plant, in mass plantings, or as part of mixed native plant communities.

Growing Conditions

One of the best things about Purdy’s penstemon is its adaptability. This resilient native can handle:

  • Soil types: Coarse, medium, or fine-textured soils
  • pH range: 6.0 to 7.6 (slightly acidic to slightly alkaline)
  • Drought tolerance: Medium (perfect for California’s dry summers)
  • Sun exposure: Full sun (shade intolerant)
  • Temperature: Hardy to 17°F, suitable for USDA zones 8-10

The plant requires at least 145 frost-free days and thrives in areas receiving 14-20 inches of annual precipitation. Its roots can extend at least 12 inches deep, helping it access water during dry periods.

Planting and Care Tips

Getting started with Purdy’s penstemon is easier than you might think:

Planting

  • Plant 1,700-2,700 plants per acre for naturalized areas
  • Available through contracting (not commonly found in regular nurseries)
  • Can be grown from seed, bare root plants, or containers
  • Seeds are tiny – there are about 1 million seeds per pound!

Care

  • Provide full sun exposure
  • Water moderately during establishment
  • Once established, quite drought tolerant
  • Medium fertility requirements – no need for heavy fertilization
  • Has good resprout ability if damaged
  • Long-lived perennial that will return for many years

Wildlife and Pollinator Benefits

Like other penstemons, Purdy’s penstemon is likely a valuable pollinator plant, attracting bees, butterflies, and possibly hummingbirds to your garden. The abundant seeds produced from spring through summer can also provide food for birds and small wildlife.

Is Purdy’s Penstemon Right for Your Garden?

This native beauty is an excellent choice if you:

  • Garden in California and want to support native ecosystems
  • Need a drought-tolerant perennial
  • Want to attract pollinators
  • Prefer low-maintenance plants
  • Have full sun areas to fill
  • Appreciate spring color

However, it might not be the best fit if you garden in shaded areas, need plants for wet conditions, or live outside its natural hardiness range.

The Bottom Line

Purdy’s penstemon offers California gardeners a wonderful opportunity to grow a true native that’s both beautiful and ecologically beneficial. While it may take some effort to source (it’s available by contracting only), the reward is a long-lived perennial that will grace your garden with purple blooms each spring while supporting local wildlife. For anyone creating a sustainable, water-wise California native garden, Purdy’s penstemon deserves serious consideration.

How

Purdy’s Penstemon

Grows

Growing season

Spring and Summer

Lifespan

Long

Growth form & shape

Multiple Stem and Semi-Erect

Growth rate

Moderate

Height at 20 years

2

Maximum height

2.0

Foliage color

Green

Summer foliage density

Moderate

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

Purple

Fruit/seeds

No

Fruit/seed color

Brown

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

High

Fire Resistant

No

Foliage Texture

Coarse

Low-growing Grass

No

Resproutability

Yes

Coppice Ability

No

Bloat

None

Purdy’s Penstemon

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

Yes

Anaerobic tolerance

None

CaCO₃ tolerance

Medium

Cold Stratification

No

Drought tolerance

Medium

Nutrient requirement

Medium

Fire tolerance

Medium

Frost-free days minimum

145

Hedge tolerance

None

Moisture requirement

Medium

pH range

6.0 to 7.6

Plants per acre

1700 to 2700

Precipitation range (in)

14 to 20

Min root depth (in)

12

Salt tolerance

None

Shade tolerance

Intolerant

Min temperature (F)

17

Cultivating

Purdy’s Penstemon

Flowering season

Mid Spring

Commercial availability

Contracting Only

Fruit/seed abundance

High

Fruit/seed season

Spring to Summer

Fruit/seed persistence

No

Propagated by bare root

Yes

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

1000000

Seed spread rate

Slow

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Purdy’s 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 heterophyllus Lindl. - bunchleaf penstemon

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