Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Loasaceae

Genus:

Mentzelia

Species:

Mentzelia torreyi

USDA Symbol:

METO2

Growth Characteristics

Life Cycle:

Biennial

Growth Habit:

Forb/herb

Height:

40 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul

Bloom Colors:

yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, small pollinators

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from taproot after fire; common in disturbed, fire-prone desert scrub habitats.

Soil Requirements

Soil Type:

sandy, rocky, well-drained soil

pH:

6.0 - 8.0 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid, rocky slopes and desert regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds may require light for germination. Best sown in fall for natural cold stratification.

The above propagation data sourced from Claude AI