Can sunflowers (sunflowers) be planted in winter? Sunflower seed planting methods and matters needing attention!

Sunflowers, which we often call sunflowers, are both warm and hardy. Although they are planted in all parts of our country, they are still in short supply in the market. Can sunflowers be planted in winter? What are the seed planting methods and matters needing attention of sunflower?

Can you plant sunflowers in winter?

1. Sunflowers can be planted in winter

From the growth habits of sunflowers, sunflowers can also be planted in winter as long as the temperature and light are well controlled. If there is a greenhouse, or if planted indoors, the survival rate of sunflowers will be higher.

2. It is important to plant sunflowers in winter.

In order to achieve the effect of heat preservation, it is necessary to mix an appropriate amount of plant ash into the sowing and cutting soil to increase the soil temperature, and be sure to ensure more light so that the soil is not dry and watered.

II. Sunflower seed planting methods and matters needing attention

1. How to plant sunflower seeds?

(1) choose the appropriate sowing time

The best sowing time for sunflower is from April to September every year, and April is the best sowing time if there is a plan to keep the seed.

When sowing, insert the seed tip of sunflower vertically into the middle suddenly, then cover the soil, properly water to keep the soil moist, and sprout in about 5 days.

(2) Post-emergence management

After the seeds germinate and emerge, in addition to maintaining the moisture of the soil, but also to enhance the light, do not lack of sunlight, it is best to put in the sun, rather than astigmatism.

(3) planting and management of sunflowers.

Wait until the seedlings of sunflowers grow about 5 true leaves, can be planted in the open field, can also be planted in pots, according to the actual needs of individuals.

After planting, it should be watered thoroughly, shaded and ventilated for one day for full sunshine management, and can be watered more. Fertilization can be carried out once a week, nitrogen, phosphorus and potassium compound balanced water-soluble fertilizer.

(4) florescence management

If it is a large-scale planting, it is recommended to adopt artificial pollination, introduce bee sources about a week before flowering, and set up a beehive for every 5 mu.

In addition, you can also artificially touch the two plates relative to each other. The best time for pollination is 9-12:00 and 3-6 p.m.

Flowering should be carried out after 5pm, in addition, after the end of flowering is the filling period, it is necessary to carry out a large-scale watering so that the seeds can develop fully.

(5) the harvest of the disk.

The sign that the disk can be harvested is that the back of the disk turns yellow for about a week, and the sunflower seeds become black and hard, so you can harvest the sunflower plate.

2. Matters needing attention in planting sunflowers

(1) the sunflower planting area should be kept away from fruits and vegetables, so as not to affect the seed setting rate affected by pesticides.

(2) Sunflower can apply more potash fertilizer at flower bud stage to enhance disease resistance and lodging resistance.