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The common sunflowers we see in cut flower bouquets are annuals, as are the sunflowers grown for seeds, but other species are perennials. Many perennial sunflowers are native to the prairie ...
To repot your plant, add several inches of fresh potting mix to your growing container. Then place your plant’s root ball in the pot so it sits at the same depth it was at in its old container.
The inflorescence holds several flower heads. Each head is supported by a base covered in long, pointed phyllaries that bend back as the head ages and develops fruit. The flower head has a fringe of golden yellow ray florets , each two to three centimeters ( 3 ⁄ 4 – 1 + 1 ⁄ 4 in) long, and a center filled with curly yellow and brown disc ...
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. Each "flower" is actually a disc made up of tiny flowers, to form a larger ...
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The flowers are yellow and composite, looking much like true sunflowers, and sometimes grow to about 5 cm (2 in) wide. [3] Both the (8–12) ray and disk flowers are yellow, [3] with one flower head on each flowering stalk. [2] [6] The flower heads have 6–14 rays, which are darker towards the base, and several disk flowers. [7]
Gaillardia aristata is a North American species of flowering plant in the sunflower family, known by the common names common blanketflower and common gaillardia. [3] This perennial wildflower is widespread across much of North America, from Yukon east to Québec and south as far as California, Arizona, Illinois, and Connecticut, although it may be naturalized rather than native in parts of ...