Why do sunflowers grow toward the sun?

The sunflower is a flower everyone is familiar with, and its most distinctive feature is that it faces the sun, which is why people call it the sunflower. As early as the late 18th century, the famous British biologist Darwin became deeply interested in the phenomenon of sunflowers always facing the sun and carried out a great deal of investigation and research on it. Let us now take a look at why sunflowers face the sun!

Why do sunflowers face the sun?

The stem of the sunflower contains a remarkable plant growth hormone. This hormone is very sensitive to light, and as soon as it is exposed to light it moves to the shaded side, while also stimulating the cells on the shaded side to multiply rapidly. As a result, the shaded side grows faster than the side facing the light, causing the sunflower to bend toward the light. At the same time, a sunflower facing the sun is also closely related to the effect of gravity.

Do sunflowers always face the sun?

Sunflowers do not always face the sun. From sprouting until the flower head fully opens, the sunflower does indeed face the sun: its leaves and flower head follow the sun from east to west during the day, and after the sun sets the flower head slowly swings back, turning to face east at around 3 a.m. to wait for the sun to rise. But once the flower head has fully opened, it no longer turns toward the sun and instead stays fixed facing east.

What do sunflowers symbolize?

Bravely pursuing the happiness you want. The flower language of the sunflower is faith, radiance, pride, loyalty and adoration; its meaning is silent love, and it represents bravely pursuing the happiness you want. Although the sunflower's bearing is not as romantic as the rose's, nor as pure as the lily's, it is sunny and bright, loving openly and honestly, loving without ever letting go, and it has a unique charm all its own. What it blooms is not only love, but also a passion for dreams and for life.