General Plant Information (Edit)
Plant Habit: Herb/Forb
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 2-3 feet
Plant Spread: 2-3 feet
Leaves: Evergreen
Flowers: Showy
Other: Blooms usually open in the late afternoon hours.
Flower Color: Yellow
Bloom Size: 2"-3"
Flower Time: Late spring or early summer
Late summer or early fall
Underground structures: Tuber
Uses: Groundcover
Cut Flower
Will Naturalize
Suitable as Annual
Wildlife Attractant: Bees
Resistances: Deer Resistant
Rabbit Resistant
Tolerates dry shade
Humidity tolerant
Drought tolerant
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Other: Seeds are poisonous
Propagation: Seeds: Sow in situ
Start indoors
Other info: Self seeds readily.
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Tolerates poor soil

Common names
  • Four o'Clocks
  • Marvel of Peru

Photo Gallery

Photo by Leo Michels
Location: My yard in Middle Tennessee
Date: 2014-09-08

Date: 2011-06-26
Courtesy Outsidepride
  • Uploaded by vic
Location: Gause, Texas
Date: 2019-09-11
Rural setting.  Just started blooming September 2019
Location: Sebastian, Florida
Date: 2014-05-11
Wonderfully fragrant blooms! I have only noticed the sweet scent
Location: Middle Tennessee
Date: 9/18/2011
center of photo shows round immature green seed and maturing dark
Location: central Illinois
Date: summer 2006
Location: Middle Tennessee
Location: central Illinois
Date: 7-12-06

Credit florum
Location: Middle Tennessee
Date: 2014-07-16
Location: Sebastian, Florida
Date: 2014-05-11
In this photo are actually 4 groups of 4 O'Clock plants growing i
Location: Sebastian, Florida
Date: 2014-05-11
The leaves are host plants to moths and Cabbage White butterflies

Credit florum

Credit florum

Credit florum
This plant is tagged in:
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  • Posted by SongofJoy (Clarksville, TN - Zone 6b) on Jul 16, 2014 5:48 AM concerning plant:
    So easy to grow here, and they make a pop of bright, vibrant color that can be seen from quite a distance. They always make me smile when I look out to the backyard and see them. Heavy reseeder.

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