those seasons tend to be in the middle of summer and beginning of fall. Sunflower development is classified by a series of vegetative stages and reproductive stages that can be determined by identifying the heads or main branch of a single head or branched head.

Facing the Sun (heliotropism)

Before blooming, Helianthus plant heads tilt upwards during the day to face the Sun. This movement is referred to as heliotropism, which continues for a short time when

1.Previous
3.Next