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Photo by Alan Cressler
Rock Penstemon (Penstemon baccharifolius)
Rock Penstemon (Penstemon baccharifolius)
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Rock Penstemon
Penstemon baccharifolius
Other Common Names: Rock Beardtongue
Top Pick: A tough, evergreen native with bold red blooms that attract hummingbirds and thrive in hot, dry conditions.
Quick Plant Info
- ☀️ Light: Full Sun
- 💧 Water: Low
- 🌿 Type: Subshrub
- 📏 Mature Size: 2–4 ft tall × 2–4 ft wide
Plant Traits
Native to Other Texas Regions
Description
A bold native subshrub with thick foliage and striking red flowers that bring structure and color to dry landscapes.
Rock Penstemon forms a dense, upright plant with succulent-like leaves and produces clusters of red blooms in spring. It is highly adapted to rocky, well-drained soils and intense heat.
🌼 Why it works
- Evergreen structure year-round
- Strong hummingbird attraction
- Excellent heat and drought tolerance
- Bold form and color contrast
🐦 Wildlife value
A strong nectar source for hummingbirds and pollinators during its bloom period.
Adds early-season ecological value in dry landscapes.
🌱 Where it thrives
Best in full sun with excellent drainage. It performs well in rocky, sandy, or limestone soils and is ideal for xeriscape plantings.
- Xeriscape and dry gardens
- Pollinator plantings
- Sunny borders and beds
Soil: Requires excellent drainage; performs best in rocky or limestone soils.
✂️ Growth & maintenance
Minimal maintenance required. Avoid overwatering and heavy soils.
💧 Water (establishment note)
Water regularly during establishment; once established, Rock Penstemon is highly drought tolerant and prefers dry conditions.
Pickup Information
Order online and select a pickup time at checkout. Plants are held for your scheduled pickup window.
