Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Verbenaceae

Genus:

Glandularia

Species:

Glandularia bipinnatifida

USDA Symbol:

GLBI2

Growth Characteristics

Life Cycle:

Annual | Perennial

Growth Habit:

Forb/herb

Height:

45 cm

Light Requirements:

Part Shade

Drought Tolerance:

High

Bloom Months:

mar,apr,may,jun,jul,aug,sep,oct

Bloom Colors:

purple, lavender, pink

Ground Cover:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

butterflies, bees, hummingbirds

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from root crown after fire; common in fire-maintained prairies and grasslands.

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:

Thrives in open, sunny locations with minimal water.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination; do not cover deeply. Warm soil temperatures (70-75°F) improve germination rates.