How to plant sunflower seeds
Today, the editor introduces how to plant sunflower seeds and the topic of sunflower propagation and cultivation techniques. It's some very useful knowledge, and it is recommended to save it for future reference!
Sunflower planting has become one of the best choices for many friends when selecting flowers. Sunflowers are a type of Portulaca herbaceous flowers, also known as pine leaf peonies and half-day lilies, which only bloom when exposed to sunlight and close on rainy or cloudy days. They are planted in various regions across China, including Anhui, Jiangsu, Zhejiang, Hunan, Hubei, Jiangxi, and many others. So when is the best time to plant sunflower seeds? Here is an introduction to the complete process of planting sunflower seeds!
I. When is the best time to plant sunflower seeds?
Except for winter when temperatures are relatively low and planting cannot be done, sunflower seeds can be sown in spring, summer, and autumn. However, many friends generally choose to plant in spring and autumn. In Zhejiang, Shanghai, Anhui, and Jiangsu, it is most suitable to start sowing in April; in Sichuan, sowing in September to October is best; in Hunan, Hubei, and Jiangxi, sowing in March to April every year is also possible; in the northern regions, the sowing time should be adjusted according to local weather and temperature, and sowing can start once the temperature reaches about 20 degrees Celsius. However, when sowing sunflower seeds, the following conditions must be noted:
1. Soil selection for sowing sunflower seeds
Sunflower seeds can adapt to most types of soil, but sandy soil is the most suitable due to its good drainage.
2. Temperature control for sowing sunflower seeds
It is usually suitable to plant sunflower seeds when the temperature reaches 20 degrees Celsius. Seeds generally germinate in about 10 days, and if planted in spring, seeds can be harvested in summer. It is necessary to harvest the seeds before they scatter.
II. Complete introduction to the process of planting sunflower seeds!
1. Selecting sunflower seeds
Before planting sunflowers, it is necessary to select the seeds, preferably plump and undamaged ones. Do not choose dry and flattened seeds. The purpose of this is to select good seeds for easier survival.
2. Soaking sunflower seeds to germinate
Clean the selected sunflower seeds with clean water, soak them in 60-degree warm water for 24 hours, and then take them out when the seed coat becomes soft and drain off the surface water. Then place them on the prepared soil, water sufficiently, and put them in a sunny place. Generally, they will germinate within 2 weeks.
3. Soil preparation for planting sunflower seeds
Sunflower seeds grow best in good soil. Therefore, it is best to prepare the soil yourself. Generally, a mixture of peat soil, decomposed leaf soil, and garden soil in a ratio of 2:2:1 is used, with an appropriate amount of organic fertilizer as a base fertilizer, watered moderately to keep the soil slightly moist.
4. Light control for planting sunflowers
After sowing sunflower seeds, do not place them under strong sunlight, especially in summer. It is best to place them on a balcony with a bit of scattered light, and in winter, it is better to keep them indoors. However, when the sun is out, take them out to be exposed to sunlight for 1 to 3-4 hours.
5. Water and fertilizer management for planting sunflowers
Sunflowers do not have high requirements for water. After planting, just keep the potting soil moist, and water when it dries out. Then, fertilize every 3 weeks, mainly with foliar fertilizer, which is more effective when dissolved in water.
The above is a specific introduction to how to plant sunflower seeds, sunflower propagation, and cultivation techniques, hoping to bring some floral knowledge to green plant enthusiasts.