Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Hymenoxys

Species:

Hymenoxys richardsonii

USDA Symbol:

HYRI

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb , Subshrub

Height:

30 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug,sep

Bloom Colors:

yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from taproot following fire; common in fire-prone grassland and sagebrush communities.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 8.0 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid and semi-arid regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–28 days

Notes:

Seeds germinate best with cold stratification; surface sow as light may aid germination.

The above propagation data sourced from Claude AI