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Sunflowers need six to eight hours of direct sunlight per day. You can plant the seeds directly in the soil after all danger of frost has passed. Plant seeds about one inch deep for varieties that ...
The disk of a sunflower is made up of many little flowers. The ray flowers here are dried In North Carolina A sunflower seed growing. Sunflowers are usually tall annual or perennial plants that in some species can grow to a height of 300 centimetres (120 inches) or more.
Annual Sunflowers. The sunflower we all grew up drawing is Helianthus annuus or the annual sunflower.Breeders have been working with this species for years. Selections range from the dwarf ...
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Helianthus maximiliani is a North American species of sunflower known by the common name Maximilian sunflower. [ 2 ] This sunflower is named for Prince Maximilian of Wied-Neuwied , who encountered it on his travels in North America.
Sunflowers in full bloom are not heliotropic, so they do not follow the Sun. The flowerheads face east all day, so in the afternoon, they are backlit by the Sun. In the case of sunflowers , a common misconception is that sunflower heads track the Sun across the sky throughout the whole life cycle.
Eriophyllum lanatum, with the common names common woolly sunflower, Oregon sunshine and golden yarrow, [3] is a common, widespread, North American plant in the family Asteraceae. [ 4 ] [ 5 ] [ 2 ] Description
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