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  2. Perennial sunflower - Wikipedia

    en.wikipedia.org/wiki/Perennial_sunflower

    Perennial sunflower is a crop of sunflowers that are developed by crossing wild perennial and domestic annual sunflower species. Annual sunflower is a major oilseed crop. Genes from wild perennial relatives may increase root depth and mass and extend the growing season. These upgrades means future varieties with higher yields and better soil ...

  3. Are Sunflowers Perennials That Will Return Year After Year in ...

    www.aol.com/sunflowers-perennials-return-garden...

    The common sunflowers we see in cut flower bouquets are annuals, as are the sunflowers grown for seeds, but other species are perennials. Many perennial sunflowers are native to the prairie ...

  4. Helianthus - Wikipedia

    en.wikipedia.org/wiki/Helianthus

    Helianthus (/ ˌ h iː l i ˈ æ n θ ə s /) [3] is a genus comprising around 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. [ 4 ] [ 5 ] Except for three South American species, the species of Helianthus are native to North America and Central America .

  5. Helianthus strumosus - Wikipedia

    en.wikipedia.org/wiki/Helianthus_strumosus

    Helianthus strumosus, the pale-leaf woodland sunflower, [3] is a species of sunflower native to North America east of the Great Plains and is in the family Asteraceae. [4] It is a native perennial sunflower that resembles other members of this family including the Pale Sunflower (H. decapetalus), Woodland Sunflower (H. divaricatus), Hispid Sunflower (H. hirsutus), and Jerusalem Artichoke (H ...

  6. The Best Flowers and Perennials to Plant in Your Garden ... - AOL

    www.aol.com/best-flowers-perennials-plant-garden...

    Sunflower. Though perennial sunflowers are not quite as large or fast growing as their annual cousins (Helianthus annuus), they are prolific bloomers for up to 12 weeks into the late autumn ...

  7. The Best and Brightest Summer Flowers to Grow in Your Garden

    www.aol.com/most-popular-summer-flowers-grow...

    Perennial sunflowers are in season for a period of 8 to 12 weeks with some beginning as early as July and others ending as late as October. Their large daisy-like flower faces thrive in full sun ...

  8. Helianthus giganteus - Wikipedia

    en.wikipedia.org/wiki/Helianthus_giganteus

    Helianthus giganteus is a perennial herbaceous plant native to the northern United States and southern Canada that can grow up to 1–3 metres (3.3–9.8 ft) tall with instances to 4m (13 feet). The leaves are approximately 1 inch wide by 7 inches long, and partly rough.

  9. Helianthus × laetiflorus - Wikipedia

    en.wikipedia.org/wiki/Helianthus_×_laetiflorus

    Helianthus × laetiflorus, the cheerful sunflower [2] or perennial sunflower, [3] is a plant in the family of Asteraceae. It is widespread in scattered locations across much of Canada from Newfoundland to British Columbia , and the central and eastern United States as far south as Texas and Georgia . [ 4 ]

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