English, asked by star7167, 1 year ago

Colour size shape features climate suitable for sunflower

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Answered by Anonymous
1
Feature
Annual sunflowers have been bred to grow beyond the standard sunny yellow blooms, with a new range of colors from golden yellow, orange, and ruby red, to bronze and even white. There are branching varieties with multiple flower heads as well as dwarf cultivars that reach only 1 to 2 feet tall. Some are bred to produce especially large seeds, while pollenless types clean up as the cream of the crop for cut flowers with a longer shelf life. 
Climate
Sunflowers are full sun plants that only thrive in environments in which they are provided six or more hours of direct sunshine per day. This annual prefers the longer-lit days of summer and blooms through the season. Sunflowers thrive in warmer weather and climates. They are known for their hardiness and the ability to survive extreme heat; however, the optimal temperatures for growing sunflowers is between 70 and 78 degrees Fahrenheit, with soil temperatures of at least 55 to 60 degrees when the seeds are sown.
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