Generally speaking, if sunflowers are sown in April, the flowering period is from July to August, the maturity period of the seeds is from August to September, and the flower size generally ranges from 5 to 40cm. .

Sunflowers are native to America and are also cultivated in China. It is a plant of the genus Helianthus in the Asteraceae family. The stems are upright, thick, round and angular, with white coarse hairs. They bloom in summer. The flower language of sunflower is "sun, silent love, admiration"; the flower language of wild sunflower is "congeniality".

Extended information:

The difference between sunflowers and sunflowers

1. Height difference

The height of sunflowers is generally 1-3.5m , and the height of sunflowers is generally only 10-30cm, so they can be easily distinguished according to plant height.

Height of sunflower:

2. Differences in flowers

The flower disk of sunflower is relatively large, and the seed disk can occupy 1/3 of the entire flower disk. above. It has relatively few colors, only yellow. The flower disc of sunflower is relatively small, and the seed disc occupies a smaller proportion of the flower disc area. In addition, it comes in many colors. In addition to the yellow that everyone has seen, there are also uncommon varieties such as purple and red.

3. Different seeds

Sunflower seeds are very large and can be eaten directly. The seeds of sunflower are very small and cannot be eaten directly.

Baidu Encyclopedia - Sunflower

Baidu Encyclopedia - Sunflower