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PlantSnap
Plant Care
Four o'clock flower
(Mirabilis jalapa)
Also Known As
Four o'clock flower, Marvel of peru, Mirabilis, Beauty of the night
About This Plant
Mirabilis jalapa is a flowering plant species that is native to tropical South America, but is now widely cultivated and naturalized in many parts of the world. It is known for its showy and fragrant flowers that bloom in a range of colors including white, yellow, pink, and red. The plant grows as a perennial in tropical regions and as an annual in temperate regions.
Plant Care Instructions
Outdoor Size Range
36-48 inches (91-122 cm)
Light Requirements
Mirabilis jalapa prefers full sun to partial shade, and it can tolerate a wide range of light conditions.
Humidity Needs
Mirabilis jalapa can tolerate a wide range of humidity levels, but it prefers moderate to high humidity.
Fertilizing Schedule
Mirabilis jalapa benefits from regular fertilization with a balanced fertilizer. Fertilize every two weeks during the growing season.
Pruning Guidelines
Prune Mirabilis jalapa to promote bushy growth and to remove dead or damaged stems. It is best to prune in the spring before new growth appears.
Common Pests and Diseases
Common pests for Mirabilis jalapa include spider mites, aphids, and whiteflies. Diseases that can affect the plant include powdery mildew and leaf spot.
Indoor Size Range
24-36 inches (61-91 cm)
Watering Schedule
The plant needs regular watering, but it is important not to overwater as it can cause root rot. Watering once or twice a week is usually sufficient.
Temperature Range
The plant prefers warm temperatures between 60-80°F (15-27°C). It can tolerate colder temperatures, but it will not survive frost.
Growing Season
The growing season for Mirabilis jalapa is from late spring to early fall.
Growing Difficulty Level
Mirabilis jalapa is relatively easy to grow, making it a popular choice for gardeners of all skill levels.
USDA Hardiness Zones
Mirabilis jalapa is hardy in USDA zones 7-11.
Did You Know?
The name 'Four O'Clock' comes from the fact that the plant's flowers open in the late afternoon, usually around 4 o'clock.
