Heartleaf Four O'Clock

Mirabilis nyctaginea

Native to:
Canada, Mexico, United States, Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Nyctaginaceae
Genus:
Mirabilis
Species:
Mirabilis nyctaginea
USDA Symbol:
MINY

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep
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

Heliodines cliffordi, Heliodines ionis, Heliodines nyctaginella, Heliodines tripunctella, Lithariapteryx abroniaeella, Nealyda bifidella, Triprocris smithsonianus

Reported Fauna Sightings

Moths:Neoheliodines nyctaginella

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
dry to moderate
Notes:
thrives in disturbed areas like roadsides

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily after cold stratification; sow in spring or fall.

Where to Buy

Nationwide Seller