Texas Tech University

Mirabilis jalapa

Four O’Clocks
Perennials
Classification Scientific Name: Mirabilis jalapa
  Common Name: Four O'Clocks
  Family: Nyctaginaceae
  Location Index: HG4
  Suggested Use: beds & borders

container plantings
     
Plant Plant Type: perennial
  Plant Form: upright
  Height: 1.5 - 2.5 feet
  Spread: 1 - 2 feet
  Bloom Period: summer
fall
  Flower Color: yellow, red, magenta, rose, white
  Flower: trumpet shaped, 1" fragrant flowers that open during mid to late afternoon then fade the next morning
  Foliage Texture: medium
  Foliage: erect stems and mid-green heart shaped opposite leaves
     
Environment USDA Zone: zones 7 - 11
  Native Range: American tropics
  Sun Requirement: light shade
  Water Requirement: medium
  Soil: rich
  Heat Tolerance: high
     
Care Maintenance: easy to direct seed into garden
  Liabilities: poisonous if ingested

root rot
  Tolerances: drought

heat

pollution

humidity
  Wildlife: hummingbirds
  Propagation: seed
     
More Additional Notes: tender perennial often used as an annual
Mirabilis jalapa

Mirabilis jalapa Photo Gallery