Beardlip Penstemon
Penstemon barbatus
- Native to:
- Mexico, United States
Wendy McCrady https://www.inaturalist.org/people/wendybirds (www.inaturalist.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Penstemon
- Species:
- Penstemon barbatus
- USDA Symbol:
- PEBA2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- red, orange, pink
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Neoterpes graefiaria, Arachne Checkerspot (Poladryas arachne), Variable checkerspot (Euphydryas chalcedona)
Garden & Ecology Notes
- Wildlife Value:
- hummingbirds, bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from crown following fire; often increases in abundance in post-fire environments in mountain meadows and ponderosa pine ecosystems.
Soil Requirements
- Soil Type:
- well-drained, sandy or rocky soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Light aids germination; surface sow or barely cover seeds. Cold stratification improves germination rates.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Notes: Seeds require light for germination; do not cover.
Source: Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.