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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.
Jun 25, 2024 · 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.
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.
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.
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.
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 ...
Cherished for their beauty, Sunflowers (Helianthus) are striking ornamental annuals or perennial plants grown for their colorful summer and fall blooms. Fast-growing, they can reward you with glamorous blooms between 55 and 100 days after planting, depending on the variety grown.
Learn how to grow helianthus in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants.
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.
