Asked in Sunflowers
How long can the average sunflower live to be?
Sunflowers (Helianthus annuus) are flowering annual dicots. Since they are annuals, they only live one season, and that would be the warm season for the sunflower, since it is very intolerant of cold. If you can get a seed started in late March, and your variety has several branches and you cut back the mature heads, the plant might live into October, as long as there is not an early frost. Six months is a long life for a typical sunflower. ...