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1. en.wikipedia.org › wiki › HelianthusHelianthus - Wikipedia

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

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3. en.wikipedia.org › wiki › Common_sunflowerCommon sunflower - Wikipedia

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   The common sunflower (Helianthus annuus) is a species of large annual forb of the daisy family Asteraceae. The common sunflower is harvested for its edible oily seeds which are used in the production of cooking oil.

4. www.britannica.com › plant › sunflower-plantSunflower | Description, Uses, & Facts | Britannica

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   4 days ago · Sunflower is a genus of nearly 70 species of herbaceous plants in the aster family, native to North and South America. Some species are cultivated for their ornamental and edible seeds, oil, and tubers.

   • Author: The Editors of Encyclopaedia Britannica

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5. People also ask

   What is Helianthus annuus used for?

   • Helianthus annuus can also be used in rhizofiltration to neutralize radionuclides, such as caesium-137 and strontium-90 from a pond after the Chernobyl disaster. A similar campaign was mounted in response to the Fukushima Daiichi nuclear disaster.

   Common sunflower - Wikipedia

   en.wikipedia.org/wiki/Common_sunflower

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   Are Helianthus native to North America?

   • Except for three South American species, the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower ( Helianthus annuus ).

   Helianthus - Wikipedia

   en.wikipedia.org/wiki/Helianthus

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   Is Helianthus giganteus a perennial?

   • A: The tall sunflower Helianthus giganteus grows to 12 feet tall; it’s a perennial often grown as an annual. For a lower-growing sunflower plant Helianthus annus. Varieties of this annual fro four to six feet tall and you will find some even shorter such as Sunbright and Teddy Bear.

   How to Grow Sunflower — Helianthus - Harvest to Table

   harvesttotable.com/how-to-grow-perennial-sunflower-helianthus/

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   How does Helianthus grow?

   • Helianthus species are used as food plants by the larvae of many lepidopterans. The growth of a sunflower depends strictly on its genetic makeup and background. Additionally, the season it is planted will have effects on its development; those seasons tend to be in the middle of summer and beginning of fall.

   Helianthus - Wikipedia

   en.wikipedia.org/wiki/Helianthus

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   What plants grow well with Helianthus?

   • Use tall sunflowers as a hedge or a fast-growing screen. Dwarf sunflowers can be massed for a colorful display. Good garden companions for Helianthus include Aster, Boltonia asteroides, Chrysanthemum, Erigeron, Helenium, Hemerocallis, Sedum, Solidago. Set sunflowers in the garden in spring after the last expected frost.

   How to Grow Sunflower — Helianthus - Harvest to Table

   harvesttotable.com/how-to-grow-perennial-sunflower-helianthus/

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   Why is Helianthus a flower?

   • Helianthus is derived from Greek ἥλιος hēlios "sun" and ἄνθος ánthos "flower", because its round flower heads in combination with the ligules look like the Sun. There are many species recognized in the genus:

   Helianthus - Wikipedia

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6. www.thespruce.com › growing-sunflowers-1402916How to Grow and Care for Sunflowers - The Spruce

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   Sep 17, 2022 · Learn how to grow sunflowers (Helianthus annuus), a popular annual flower with yellow, red, or bicolor blooms. Find out about sun, soil, water, fertilizer, pruning, propagation, and common issues of sunflowers.

   • Author: Marie Iannotti

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7. www.gardenersworld.com › how-to › grow-plantsHow To Plant And Grow Your Own Sunflowers (Helianthus) | BBC ...

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   Learn how to grow sunflowers (Helianthus) from seed in pots or in the ground. Find out about different varieties, care tips, problem-solving and more.

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8. Videos

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     Helianthus annuus - Common Sunflower

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     How To Grow Helianthus Annuus From Seed - Grow Sunflower At Home

     21 Apr 2021

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     How to Grow Tall Sunflower From Seed (Helianthus Giganteus)

     26 Feb 2018

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9. harvesttotable.com › how-to-grow-perennialHow to Grow Sunflower — Helianthus - Harvest to Table

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   Learn how to grow and care for sunflowers, also known as Helianthus, in your garden. Find out about different species, varieties, uses, and tips for annual and perennial sunflowers.

10. www.almanac.com › plant › sunflowersSunflowers: Planting, Growing, and Caring for Sunflowers

    www.almanac.com › plant › sunflowers

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    Learn how to plant, grow, and care for sunflowers (Helianthus annuus), the annual plants with bright daisy-like flowers. Find out about different varieties, colors, sizes, and uses of sunflowers in the garden.