Yellow Four O' Clock

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Yellow Four O' Clock is night-blooming tender perennial that adds a burst of sunshine to any landscape! This bushy plant grows to a height of 2-3 feet, adorned with vibrant, trumpet-shaped yellow flowers that open in the late afternoon, filling the evening air with a sweet, jasmine-like fragrance - ideal for attracting hummingbirds. Yellow Four O' Clock flowers can exhibit fascinating variations in color, sometimes displaying stripes or spots of pink or red, making each bloom unique and adding to the visual appeal of the garden. Plant in spring after the last frost, and watch as they bloom from summer until fall while adding evening charm to your garden. Four O' Clock flowers get their name because they typically open in the late afternoon around 4 PM and stay open throughout the night.  Besides its ornamental value, the flowers can be used to create natural dyes.

Also Known As:  Yellow Four O' Clock, Yellow Marvel of Peru, Mirabilis, Beauty of the Night, Jalap Plant, False Jalap, Clavillia, Afternoon Delight, Garden Jalap, Evening Trumpet Flower, Night Blooming Marvel

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    Plant Name:
    Four O' Clock, Yellow
    Latin Name:
    Mirabilis jalapa
    Days to Germinate: 10 - 20
    Days to Bloom: 75
    Plant Height: 2 - 3 Feet
    Bloom Diameter: 2 Inches
    Growth Habit: Upright
    USDA Zones: 2-10
    Lifespan: Annual, Perennial 7-10
    Brand: TomorrowSeeds
    Sunlight: Full Sun, Partial Shade
    GMO: No
    Pollination:
    Heirloom, Open-Pollinated
    Seeds Packed For*: 2025


    *Seeds are freshly packed for the growing season of the year listed. Seeds are still viable beyond pack date. Store in a cool and dry location such as the refrigerator or basement to best preserve germination rates.


    Planting Instructions:

     

     

    Soil Preparation:

    Remove weeds, large rocks, and litter from the planting area. Till the soil 8-10 inches deep and rake several times to break up large clods. It is best to do this when the soil is dry enough to not stick to garden tools. Loosening the soil will help the plant establish strong roots.
     

    Planting:

    Sow in full sun in fertile, moist, well-draining soil after all danger of frost has passed in Spring. To overwinter in freezing climates, roots may be dug in fall and stored until spring in dry, cool, >32F conditions. Tender perennial.

    Planting Depth: 1/2 inch
    Spacing:
    12 inches