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Rock Penstemon

Penstemon baccharifolius

Last reviewed: June 2026

Penstemon baccharifolius (Rock Penstemon) is a drought-tolerant Texas native that blooms red tubular flowers from June through November, attracting hummingbirds to xeriscaped gardens and rocky landscapes.

Rock Penstemon (Penstemon baccharifolius)
Photo: (c) Alison Northup, some rights reserved (CC BY), uploaded by Alison Northup

Light

full sun

Water

low

Size

12"–18" H × 12"–24" W

Bloom

Jun, Jul, Aug, Sep, Oct, Nov

Native to

TX

Pollinators

hummingbirds

Browse plants for this ecoregion

Rock Penstemon is a compact native perennial that produces tubular flowers in shades of red, pink, or white from summer through fall. This drought-tolerant plant forms neat clumps with narrow, gray-green foliage that stays attractive most of the year. It thrives in rocky or well-drained soils and requires minimal water once established.

Growing Rock Penstemon

Grow Rock Penstemon in full sun and low water. Mature plants reach 12 to 18 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Rock Penstemon is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

The tubular flowers are specifically adapted to attract hummingbirds, making it an excellent choice for hummingbird gardens. Bees and butterflies also visit the blooms regularly.

Common questions

When does Rock Penstemon bloom?
Penstemon baccharifolius blooms from June through November, providing an exceptionally long flowering season that extends well into fall.
What pollinators visit Rock Penstemon?
Rock Penstemon's tubular red flowers are specifically adapted to attract hummingbirds, though other pollinators may also visit the blooms.
Where is Penstemon baccharifolius native?
Rock Penstemon is native to Texas, where it grows naturally in rocky, well-drained soils and limestone outcrops.
How much water does Rock Penstemon need?
This drought-tolerant native requires very little water once established, making it excellent for xeriscaping and low-water gardens in Texas.
Is Rock Penstemon HOA-friendly?
Rock Penstemon is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Rock Penstemon fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.