Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Plantaginaceae

Genus:

Penstemon

Species:

Penstemon hallii

USDA Symbol:

PEHA9

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

15 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jun,jul,aug

Bloom Colors:

violet, blue, purple

Ground Cover:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, hummingbirds

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rocky, well-drained, sandy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to alpine and subalpine regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–42 days

Notes:

Requires light for germination; surface sow and do not cover seeds.

The above propagation data sourced from Claude AI