When to sow sunflowers, pictures of sunflower leaves

1. When to plant sunflowers

Sunflowers should be sown when the temperature is relatively stable and the temperature is suitable, usually around April. When the temperature rises above 20 degrees, you can prepare to start planting. The seeds will germinate ten to fifteen days after planting. It grows very fast and has a relatively short growth cycle. It is usually sown in spring and will bloom in the summer of the same year.

2. How to grow sunflowers

Potting soil: If you are planting potted sunflowers, be sure to choose a larger pot. The soil should be slightly acidic with good drainage and rich in humus, so that the soil conditions in the pot will be more suitable for its growth.

Watering: Sunflowers are relatively heat-resistant, but they have a high demand for water because they consume a lot of water. Sunflowers are tall plants with many leaves, so you must pay attention to replenishing water in daily maintenance. Increase the frequency of watering and the amount of watering appropriately, and do not let the soil dry out. However, you don't need to water it too much before it buds, as it will need more water after it buds.

Temperature: When growing sunflowers, it is necessary to ensure that the temperature of its growth environment does not drop below ten degrees. It will only grow faster in a warm environment. The temperature needs to be between 21 and 27 degrees Celsius during the day and between 10 and 16 degrees Celsius at night.

Light: Sunflowers grow towards the sun, and light is an essential condition for their healthy growth. Therefore, it is necessary to ensure that it receives sufficient light every day, at least ten hours of light a day.

3. Sunflower leaves picture