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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.
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.
- The Editors of Encyclopaedia Britannica
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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.
- Marie Iannotti
The tall, often single-stemmed varieties we grow in our gardens tend to be annual sunflowers, while perennial sunflowers tend to be known by their botanical name Helianthus, and include the lovely variety 'Lemon Queen'.
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.
Learn how to grow helianthus in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants.
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