Colorado Four O'clock
Scientific Name: Mirabilis multiflora (Torr.) A. Gray
Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Caryophyllidae / Caryophyllales / Nyctaginaceae / Mirabilis L./ Mirabilis multiflora (Torr.) A. Gray
| General Information |
| Usda Symbol | MIMU |
| Group | Dicot |
| Life Cycle | Perennial |
| Growth Habits | Forb/herbSubshrub, |
| Native Locations | MIMU |
Plant Guide
Use a soil moisture meter to monitor the soil moisture where Colorado Four O'clock is planted.
Plant Traits
Growth Requirements
| Temperature, Minimum (°F) | -18 |
|---|
| Adapted to Coarse Textured Soils | Yes |
|---|
| Adapted to Fine Textured Soils | No |
|---|
| Adapted to Medium Textured Soils | Yes |
|---|
| Anaerobic Tolerance | None |
|---|
| CaCO3 Tolerance | Medium |
|---|
| Cold Stratification Required | No |
|---|
| Drought Tolerance | High |
|---|
| Fertility Requirement | Low |
|---|
| Fire Tolerance | Low |
|---|
| Frost Free Days, Minimum | 130 |
|---|
| Hedge Tolerance | None |
|---|
| Moisture Use | Low |
|---|
| pH, Maximum | 8.5 |
|---|
| pH, Minimum | 6.5 |
|---|
| Planting Density per Acre, Maxim | 4800 |
|---|
| Planting Density per Acre, Minim | 2700 |
|---|
| Precipitation, Maximum | 18 |
|---|
| Precipitation, Minimum | 8 |
|---|
| Root Depth, Minimum (inches) | 12 |
|---|
| Salinity Tolerance | Low |
|---|
| Shade Tolerance | Intolerant |
|---|
Morphology/Physiology
| After Harvest Regrowth Rate | Slow |
|---|
| Toxicity | None |
|---|
| Resprout Ability | No |
|---|
| Shape and Orientation | Semi-Erect |
|---|
| Active Growth Period | Spring and Summer |
|---|
| Bloat | None |
|---|
| C:N Ratio | High |
|---|
| Coppice Potential | No |
|---|
| Fall Conspicuous | No |
|---|
| Fire Resistant | No |
|---|
| Flower Color | Purple |
|---|
| Flower Conspicuous | Yes |
|---|
| Foliage Color | Green |
|---|
| Foliage Porosity Summer | Moderate |
|---|
| Foliage Porosity Winter | Porous |
|---|
| Fruit/Seed Color | Brown |
|---|
| Nitrogen Fixation | None |
|---|
| Low Growing Grass | No |
|---|
| Lifespan | Moderate |
|---|
| Leaf Retention | No |
|---|
| Known Allelopath | No |
|---|
| Height, Mature (feet) | 2.0 |
|---|
| Growth Rate | Moderate |
|---|
| Growth Form | Single Crown |
|---|
| Fruit/Seed Conspicuous | No |
|---|
| Foliage Texture | Medium |
|---|
Reproduction
| Vegetative Spread Rate | None |
|---|
| Small Grain | No |
|---|
| Seedling Vigor | Medium |
|---|
| Fruit/Seed Period Begin | Summer |
|---|
| Seed Spread Rate | Moderate |
|---|
| Seed per Pound | 7953 |
|---|
| Propagated by Tubers | No |
|---|
| Propagated by Sprigs | No |
|---|
| Propagated by Sod | No |
|---|
| Propagated by Seed | Yes |
|---|
| Propagated by Corm | No |
|---|
| Propagated by Container | No |
|---|
| Propagated by Bulb | No |
|---|
| Propagated by Bare Root | No |
|---|
| Fruit/Seed Persistence | No |
|---|
| Fruit/Seed Period End | Summer |
|---|
| Fruit/Seed Abundance | Medium |
|---|
| Commercial Availability | Contracting Only |
|---|
| Bloom Period | Late Spring |
|---|
| Propagated by Cuttings | No |
|---|
Suitability/Use
| Veneer Product | No |
|---|
| Pulpwood Product | No |
|---|
| Post Product | No |
|---|
| Palatable Human | Yes |
|---|
| Nursery Stock Product | No |
|---|
| Naval Store Product | No |
|---|
| Lumber Product | No |
|---|
| Fodder Product | No |
|---|
| Christmas Tree Product | No |
|---|
| Berry/Nut/Seed Product | No |
|---|
