How to sow sunflower seeds

Sunflower seed sowing time

Sunflower seeds are generally sown from March to September every year, and the flowering period of sunflowers is very long, making them an indispensable grass flower seed in park greening, flower sea projects, and community construction.

It takes about 30 days for sunflowers to grow from sowing to flowering. It can be said that the time required for sunflowers to grow from sowing to flowering is very short. Basically, the growth and flowering of sunflowers can be guaranteed within one month. As a landscape greening plant, sunflowers are a very good choice.

Sunflower seeds sowing in summer

Sunflowers can be sown in the summer because it is a flower with strong growth ability. Even if it is sown in the hot summer, it can germinate smoothly. However, the best time to sow it is not summer, but spring or autumn, because these two periods are relatively warm, which is very beneficial for its seed germination.

How to sow sunflower seeds

1. Material selection and processing: Sunflowers are very popular. To ensure a high survival rate of sunflower seeds, we must first ensure the rationality of the seeds. Its seeds are very small. It is best to select large, plump, and undamaged seeds as cultivation materials, so that they will be easier to survive during cultivation.

2. Soak to germinate: Wash the selected sunflower seeds, then soak them in warm water for 24 hours. After the seed coat becomes soft, take them out, place them on the culture soil, water them with enough water, and then place them in a warm environment for 3-5 days. They will germinate in about 2 weeks.

3. Substrate preparation: Since sunflowers like to grow in well-drained soil, the best planting soil is garden soil, peat soil, humus soil, and river sand mixed in a ratio of 2:3:2:2, apply an appropriate amount of base fertilizer, and then pour in an appropriate amount of water to keep the soil moist.

4. Sowing and planting: Then sow the sunflowers on the prepared soil, put the seedlings down and cover them with a thin layer of soil or wet moss, then water them with a small amount of water, and then gently compact the surrounding soil with your hands. It is best to place them in a sunny and well-ventilated environment.

5. Planting management: After sowing the sunflowers, the temperature should be controlled at around 20-25 degrees. During the hot summer season, you can spray water mist around the plants to reduce the humidity of the surrounding environment. In winter, it is best to heat them or place them in an indoor greenhouse, preferably on a balcony or by a window.

6. Photosynthesis: After sowing, it is best not to place it in an environment with strong sunlight. It is best to ensure that there is scattered sunlight. If the light intensity is high in summer, it needs to be shaded, or moved to a semi-shaded place for maintenance. It is best to place it indoors in winter, and ensure that there are 5-6 hours of light time every day.

7. Water and fertilizer management: Since the growth requirements of sunflowers are not very high for water, it is best to keep the soil in the pot moist after planting. Keep the principle of watering when it is dry, and do not water too much. Then apply a dilute organic fertilizer solution every 2-3 weeks, and add water in time to fully mix it.

Sunflower seed sowing management

1. Some people collect sunflower seeds by waiting until the flowers bloom in autumn, then cut off all the branches directly, hold them upside down and shake them, and the seeds will fall off. Put the collected sunflower seeds in the sun to dry, and store them in a well-ventilated and cool place, and they can be sown in March or April of the following year.

2. Choose a temperature between 20 and 25 degrees to sow sunflower seeds. Usually it will germinate within 2 to 10 days. When sowing sunflower seeds, it is best to choose spring, summer and autumn. When planting, there is no need to cover it with heavy soil, just sprinkle a layer lightly.

3. After the sunflower seeds germinate, try not to expose them to direct sunlight. Keep the soil slightly moist. Apply 1/1000 potassium dihydrogen phosphate once every half a month to increase the number of flowers.