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    • Photo of Helianthus simulans by Almost Eden

    Photo by Almost Eden

    Used with permission, all rights reserved.

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    Helianthus simulans

    Also Known As

    • Muck Sunflower
    • Tall Narrow-Leaved Swamp Sunflower
    • Tall Swamp Sunflower

    Plant type

    perennial

    size

    • H: 3'-8'
    • W: 3'-10'

    planting zones

    • 8a-10a

    More Options

    Helianthus simulans plant details

    Helianthus simulans is a fast-growing broadleaf deciduous perennial with green foliage. In fall and summer mustard and yellow flowers emerge. Attracts bees, beneficial insects and butterflies making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and even moisture - low water. Drought tolerant once established. Adapts to various soil conditions. Does well in acidic, alkaline, average, clay, rich and well-drained soil. A good option if you're seeking something heat tolerant and humidity tolerant.

    CHARACTERISTICS OF Helianthus simulans

    Plant type: perennial
    Plant family: asteraceae
    Foliage: deciduous green
    Mature size: 3 FT - 10 FT - wide, 3 FT - 8 FT - tall
    Flowers: mustard and yellow blooms in fall and summer
    Uses: cutting garden, easy-to-grow, floriferous

    GROWING CONDITIONS for Helianthus simulans

    USDA Zones: 8a - 10a
    Sun exposure: sun - mostly sun
    Watering frequency: even moisture - low
    Resistant to: deer, heat and humidity
    Soil needs: acidic, alkaline, average, clay, rich and well-drained

    Nursery contributed plant descriptions

    The common name Muck Sunflower somehow seems less than up to the task for a plant that has the potential to provide such a brilliant show of color that begins in late summer and lasts into fall. Loose clusters of 2-3" wide brilliant golden yellow sunflowers are poised on tall stems adorned with rich deep green lance-shape foliage. Depending on moisture levels and fertility this vigorous, native, perennial, fall sunflower may reach up to 8' high. To create fuller, sturdier, and shorter plants tip the Muck Sunflower in late spring.

    By: Almost Eden

    Gardening facts about Helianthus simulans plant

    How to Grow Helianthus simulans

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • even moisture - drought tolerant

    • Soil Needs

      • clay
      • acidic
      • alkaline
      • adaptable
      • average
      • well-drained
      • rich

    • Special Situation

      • heat tolerant
      • humidity tolerant

    Features

    • Foliage Color

      • green

    • Flower Color

      • yellow
      • mustard

    • Wildlife

      • beneficial insects
      • bees
      • butterflies
      • deer resistant

    • Flower Season

      • summer
      • fall

    • Foliage Season

      • deciduous

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