Macfarlane's Four O'Clock ⚠️ Threatened

Mirabilis macfarlanei

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Nyctaginaceae
Genus:
Mirabilis
Species:
Mirabilis macfarlanei
USDA Symbol:
MIMA2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
pink, magenta

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Lithariapteryx abroniaeella

Reported Fauna Sightings

Moths:Lithariapteryx abroniaeella

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, hawkmoths
Deer Resistant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open, rocky slopes and grasslands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–30 days
Notes:
Seeds germinate best after cold stratification. Flowers open in evening and attract hawkmoths.

The above propagation data sourced from Claude AI