Flowers' Beardtongue

Penstemon flowersii

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Penstemon
Species:
Penstemon flowersii
USDA Symbol:
PEFL8

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
50 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
lavender, purple

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, hummingbirds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rootstock following fire; typical of chaparral-adapted Penstemon species.

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Light may aid germination. Seeds can be erratic; cold stratification improves rates.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.

Source: Claude AI

ORGHPS Germination Guide: Most interbreed and seed may not be what is labelled; germinates best with stored seed, even as long as 10 years at 20°

Source: Ontario Rock Garden & Hardy Plant Society