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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.
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.
3 days ago · sunflower, (genus Helianthus), genus of nearly 70 species of herbaceous plants of the aster family . Sunflowers are native primarily to North and South America, and some species are cultivated as ornamentals for their spectacular size and flower heads and for their edible seeds.
Aug 31, 2022 · The vibrant colors and association with summer make annual sunflowers a favorite around the world. Although the annual sunflower (Helianthus annuus) is easy to grow from seed, they must be replanted each year. The genus Helianthus also includes a number of perennial species.
Helianthus annuus (Common Sunflower) is a tall, fast-growing annual with broad, oval to heart-shaped, roughly hairy leaves. It produces huge, brilliant flowers in summer, up to 12 in. across (30 cm), with yellow petals surrounding a dark chocolate central disk.
Oct 19, 2023 · Helianthus are a large genus of plants that can be grown as Hardy perennials or Hardy annuals. They are better known as sunflowers, and both sunflower oils and sunflower seeds are of great commercial and health value.
Sep 17, 2022 · Sunflowers ( Helianthus annuus) are a treasure of summertime. They typically begin blooming in the mid-summer and can persist into early fall. The flowers, which stretch around 3 to 6 inches across on average, have a broad central disk surrounded by short, yellow petals.
Learn how to grow helianthus in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants.
The sunflower (Helianthus annuus) is an annual plant with a sizeable daisy-like flower face. Its scientific name comes from the Greek words helios (“sun”) and anthos (“flower”). The flowers come in many colors (yellow, red, orange, maroon, brown), but they are commonly bright yellow with brown centers that ripen into heavy heads filled ...
Learn how to grow and care for perennial sunflowers, botanical name Helianthus. You can grow sunflowers year-after-year in your garden. Join our gardening family to receive the latest tips.
