Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Phrymaceae

Genus:

Diplacus

Species:

Diplacus rupicola

USDA Symbol:

MIRU2

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun,jul

Bloom Colors:

yellow, orange

Landscaping Shrub:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

hummingbirds, bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from woody base after fire; adapted to California chaparral fire regimes.

Soil Requirements

Soil Type:

rocky, 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 rocky outcrops and cliffs

Propagation & Germination

Stratification:

None required

Germination Time:

14–30 days

Notes:

Surface sow; seeds require light for germination. Best germinated at cool temperatures (55-65°F).

The above propagation data sourced from Claude AI