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    Sunflower ‘Big Smile’ (Helianthus annuus)

    Sunflower ‘Big Smile’ (Helianthus annuus)

    Sunflower ‘Big Smile’ (Helianthus annuus) is a cheerful dwarf sunflower variety known for its bright yellow petals and dark centres on compact plants. This variety is specially bred for small spaces, producing large, classic sunflower blooms on short, sturdy stems.

    Big Smile sunflowers are ideal for containers, patio planters, borders, and children’s gardens due to their manageable size and fast growth. Despite their compact habit, they deliver bold visual impact with oversized blooms relative to plant height.

    Well-suited to Alberta’s summer conditions, this variety thrives in full sun and warm temperatures. It is grown as an annual in Lethbridge and provides reliable mid to late summer colour.

    $5.99
    $5.99
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    Size

    Choose a pot for your plant

    Sun Requirements ▾

    Full sun is essential for the best flowering and strongest growth. Plant in a location that receives at least 6–8 hours of direct sunlight daily. Bright sunlight encourages sturdy stems, vibrant flower colour, and abundant blooms.

    Watering Instructions ▾

    Moderate. Water regularly during establishment and flowering periods. Allow the top portion of the soil to dry slightly between waterings while avoiding prolonged drought during active growth.

    Care Tips ▾

    Remove spent flowers to encourage additional blooming and maintain a tidy appearance. Fertilize lightly during the growing season to support healthy growth and flower production. A moisture meter is a great way to gauge your plant's moisture levels.
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