Grenada Flag Meaning: The color yellow in Grenada's flag symbolizes the sun and the friendliness of the inhabitants; the green represents the country's vegetation and agricul â¦ ture; and the red stands for the courage and vitality of Grenada's people. The yellow stars represent the seven parishes of the country.
To flower photoperiod plants early, most indoor growers put the plants on a strict 12/12 light schedule. Meaning 12 hours under the lights followed by 12 hours of complete darkness. Autoflowering seeds work differently. Breeders have developed strains to begin flowering automatically when the plant reaches a certain size. As a result, most autoflowering plants are ready to harvest in under 10 weeks. Flowering often begins at a mere two to four weeks.
Maturity and Harvest. It will take another 30 days for your sunflower to reach what is considered to be full maturity. The mature stage of the sunflower is the point at which the back of the flower head has turned a light yellow or brown, and the seeds are dried and protruding from the flower head.