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Foothill Penstemon

Penstemon heterophyllus, Plantaginaceae

Zones
7–10
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6.5 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Meadow ZiziaZizia trifoliata
Beneficial Insect Habitat
Azure Blue SageSalvia azurea
Pollinator SharingBeneficial Insect Habitat
DeerbrushCeanothus integerrimus
Nitrogen FixationShade Provision
Large-flowered CollomiaCollomia grandiflora
Pollinator Sharing
Smooth-leafed OreganoOriganum laevigatum
Pollinator SharingPest Deterrent
Dense-leaved WoollystarEriastrum densifolium
Pollinator SharingPhysical Support

Antagonistic Plants

Beaked PenstemonPenstemon rostriflorus

Congeneric penstemons compete for identical resources and pollinators

Uses

Functions

Specialist Nectar For Carpenter BeesSupports Native Leafcutter BeesAttracts Hummingbird Clearwing MothsHabitat For Minute Pirate BugsNectar For Native Mason Bees

Medicinal Uses

Traditional Respiratory Aid

Common Questions

What zones does Foothill Penstemon grow in?

Foothill Penstemon grows in USDA hardiness zones 7 through 10.

What are good companion plants for Foothill Penstemon?

Good companions for Foothill Penstemon include Meadow Zizia, Azure Blue Sage, Deerbrush, Large-flowered Collomia, Smooth-leafed Oregano.

Design guilds with Foothill Penstemon and see companion relationships visually.

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