Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Scrophulariaceae

Genus:

Buddleja

Species:

Buddleja utahensis

USDA Symbol:

BUUT

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub , Subshrub

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug,sep

Bloom Colors:

purple, lavender

Landscaping Shrub:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

butterflies, bees, hummingbirds

Deer Resistant:

Yes

Fragrant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from root crown after fire or mechanical damage. Common in post-fire successional communities.

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

7.0 - 8.5 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid, rocky regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination; sow on surface and do not cover. Maintain consistent moisture until establishment.

The above propagation data sourced from Claude AI