Index / Search / Mirabilis multiflora

§1 Plant

Mirabilis multiflora (Torr.) A. Gray

vernacular Colorado four o'clock — species · Nyctaginaceae


USDA
MIMU
GBIF
3086166
Rank
species
Colorado four o'clock (Mirabilis multiflora)
Platephotograph · srrgr16CC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Subshrub
Duration
Perennial
Group
Dicot
Family
Nyctaginaceae Juss.
Genus
Mirabilis
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 14 counties across 1 state
Legend Native · 14 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
High
Shade
High
Moisture use
Low
Fire
Low
Salinity
Low
Anaerobic
None
CaCO₃
Medium
Hedging
None
§3b

Climate & soil

Cold tolerance
-18 °F minimum
Frost-free days
130 min.
Precipitation
8–18 in/yr
pH range
6.5–8.5
Root depth
12 in min.
Fertility need
Low
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Single Crown
Growth rate
Moderate
Lifespan
Moderate
Mature height
2 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Purple
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Moderate
Stratify
No
Seeds / lb
7,953
Propagation
seed
§3e

Use & availability

Commercial availability
Contracting Only
Nursery stock
No
Palatable, human
Yes
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 14 counties across 1 state.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/MIMU ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3086166 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T08:39:52Z