When do sunflowers blossom and sow?

Sunflower, this is a kind of flower that many people like, always towards the sun, can always give people a kind of positive energy, when will this sunflower bloom? When does the sunflower sow:

When does the sunflower bloom:

Sunflowers are usually sown in April, flowering from July to August, and seed maturity from August to September.

When does the sunflower sow:

Sowing time of sunflower: March to April

The suitable temperature for sowing is 18-25 ℃.

Budding time: 5-7 days

Sowing method: sowing on demand, covering soil about 50-80 days after 1cm sowing, the flowers vary slightly due to different varieties.

The flowering time and sowing time of sunflowers are introduced here, but don't miss the time to see sunflowers.

When does the sunflower bloom?

When does the sunflower bloom?

Sunflowers are also called sunflowers. Generally speaking, if sunflowers are sown in April, they will bloom from July to August, and the seeds will mature from August to September.

However, when raising sunflowers, we can take ways to make them blossom all the year round, which requires accumulated temperature. Basically, plants can blossom when they accumulate a certain temperature in the process of growth.

Flowering mechanism of sunflower

When a sunflower blossoms, it usually takes 9 days for a disk to bloom from a tongue-shaped flower to a full bloom. The second day to the fifth day of sunflower blooming is the full bloom of sunflower, and there are a lot of words in these days.

Sunflower flowers bloom at 6am in 4muri and can be pollinated the next morning. Without pollination, the flowers can remain unwithered for 10 days.

Flowering morphology of sunflower

Sunflower flowers are still very eye-catching, there are single flowers, but also double, at first glance, it is a large disk. There are two kinds of flowers on the disk of sunflowers, one is tongue-shaped flower, the other is tubular flower.

Sunflower flowering picture appreciation

The characteristics of sunflowers when they bloom

Sunflower, also known as sunflower, sunflower, gets its name because the inflorescence rotates with the sun. Sunflower originated in North America. Do you know when sunflowers bloom? Let's learn about the answers and the characteristics of sunflowers.

When does the sunflower bloom:

Usually, sunflowers are sown in April, flowering from July to August, and seed maturity from August to September. In fact, sunflowers can blossom all the year round, and the secret is "accumulated temperature". That is, in the process of plant growth, as long as a certain temperature is accumulated, the plant can blossom.

It usually takes 6-9 days for a disk to open from a ligulate flower to a tubular flower. The inflorescence is in full bloom from the second day to the fifth day. The number of flowers in these four days accounted for about 75% of the number of flowers. Most of the flowers bloom from 4 to 6 o'clock in the morning, and the next morning they are pollinated and fertilized. Unfertilized branches can remain intact for 7 or 10 days. The seed setting rate of self-pollination of sunflower is very low, only about 3%, while the seed setting rate of cross-pollination is high.

The characteristics of sunflowers:

Sunflowers can be used in all seasons, mainly in summer and winter. The florescence can reach more than two weeks. In addition to the sunflower looks like the sun, her flowers are bright and generous, suitable for ornamental display. Sunflower grows very fast and usually blossoms after about two months. Its flower pattern can be divided into single, double or single or multiple flowers, and its flowering period is quite long and can reach more than two weeks. Middle of inflorescence bisexual tubular flowers, brown or purple, stout. Achene, Obovate or ovate-oblong, slightly compressed, pericarp Lignification, gray or black, commonly known as sunflower seed.