When is the best time to plant sunflowers?

Sunflowers are best planted in spring.

Spring blossoms, everything recovers, temperature and humidity can meet the growth of most plants, and sunflower is no exception, so sowing sunflower in spring is the best. Before planting sunflowers, you should choose suitable varieties according to your own needs. If it is planted in a large area, it is necessary to choose edible varieties, and when potted, it is necessary to choose small varieties as ornamental.

Secondly, when the local surface temperature is stable at about 20 degrees, directly sow sunflower seeds on the seedbed, then apply granular fertilizer to provide nutrients for seed germination, then cover the seeds and fertilizer with soil, and finally fully dissolve the fertilizer in the soil.

The weeding function of sunflower;

The fertile soil in the northern region provides excellent basic conditions for the growth of sunflowers, but it also gives opportunities for weeds to grow. Therefore, when planting sunflowers, attention should be paid to intertillage and weeding in time.

The main function of intertillage weeding is to weed and loosen the soil, remove weeds competing with sunflower for soil nutrients, and at the same time make the compact soil soft and breathable, thus having the functions of water conservation, reducing evaporation and reducing salt harm.