Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Plantaginaceae

Genus:

Penstemon

Species:

Penstemon virgatus

USDA Symbol:

PEVI4

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

90 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jun,jul,aug,sep

Bloom Colors:

blue, purple, lavender, 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

Garden & Ecology Notes

Wildlife Value:

bees, hummingbirds, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from basal rosettes following fire; common in fire-maintained grasslands and open woodlands.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers open, sunny areas with minimal competition

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–30 days

Notes:

Light aids germination; surface sow and do not cover seeds deeply.

The above propagation data sourced from Claude AI