Flat-Top Four O'Clock

Mirabilis glabrifolia

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Nyctaginaceae
Genus:
Mirabilis
Species:
Mirabilis glabrifolia
USDA Symbol:
MIGL4

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
pollinators, moths
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from deep tuberous roots following fire; adapted to fire-prone grassland and desert scrub habitats.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions with sparse vegetation

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily at warm temperatures without pretreatment.

The above propagation data sourced from Claude AI