MIRABILIS jalapa (Four O'Clock, Formula Mix) is a perennial flowering plant native to the Americas. The Formula Mix variety of Mirabilis jalapa refers to a mix of different colors and combinations of flowers. Four O'Clock is a herbaceous perennial, but it is often grown as an annual in colder climates. It belongs to the Nyctaginaceae family.
Four O'Clock plants are bushy and can reach heights of 2 to 4 feet (60 to 120 cm). The leaves are simple and ovate, typically green in color. The Formula Mix variety produces flowers in a diverse range of colors, including pink, red, white, yellow, orange, and bi-color combinations. The flowers are trumpet-shaped and have a pleasant fragrance. They open in the late afternoon and stay open until the next morning, giving the plant its common name "Four O'Clock."
Four O'Clock typically blooms from mid-summer to fall, generally between July and October. The blooming period may vary depending on the local climate and growing conditions.
Four O'Clock thrives in full sun to partial shade. It prefers well-draining soil and can tolerate various soil types, including sandy or loamy soils. It is relatively adaptable and can grow in both cool and warm regions. Four O'Clock is known for its ability to tolerate drought conditions and can handle hot, dry summers.
Four O'Clock is usually grown from seeds. The seeds can be sown directly in the garden after the last frost date in spring. They should be planted about half an inch (1.3 cm) deep in the soil. Four O'Clock plants are low-maintenance and do not require frequent watering. They are relatively pest and disease resistant.
Four O'Clock plants are popular for their attractive and fragrant flowers. The Formula Mix variety adds a burst of color and variety to the garden with its diverse range of flower colors and combinations. They are often used as ornamental plants in borders, flower beds, and container gardens. Four O'Clock flowers also attract pollinators such as bees and butterflies.
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Scientific Name: Mirabilis Jalapa
Common Name: Four O’clock, Formula Mix
Plant Type: Tender Perennial
Native Range: Tropical America
Height: 12 to 36 "
Spread: 12 to 15 "
Habitat: Garden and Waste Ground
Zone: 3 to 9
Exposure: Full Sun
Blooming Season: Summer, Fall
Attracts: Birds, Butterflies, Bumblebees and Humming birds
Flower Shape: trumpet like flower
Flower Color: Pink, Red, Rose, White, Yellow
Moisture: Moist, Well Drained
Water Requirement: Medium, Average Water
Soil Type: Clay, Loam, Sand
Soil pH: Neutral
Uses: Beds and Borders, Ornamental, Rain Garden, Hedges and Screens, Patio and Containers, Walkways