What is the best season to plant zinnias?

What month is suitable for planting zinnias?

Zinnia is best planted around spring each year, generally around April to June. It can also be planted in autumn, generally from August to October. The climate and temperature in these two time periods are more conducive to the germination of zinnia seeds, so it is best to plant them at this time.

How to plant zinnias

1. Choose a seed

The zinnia seeds should be healthy, fresh and full of seeds. Seeds that have been stored for too long will affect germination. In addition, the selected seeds should be soaked in potassium permanganate solution for disinfection for about half an hour.

2. Soil selection

The soil needs to be fertile, loose and breathable leaf humus, or a mixture of coarse sand and garden soil, which can ensure the drainage of the soil and prevent the zinnia from rotting its roots. The soil also needs to be exposed to the sun before sowing to reduce residual pathogens.

3. Sowing method

When sowing zinnias, you can use the spot sowing method or directly broadcast sowing. First, smooth the soil, then sprinkle the seeds on the soil surface or sow them into the soil, then cover with fine soil and spray with appropriate amount of water.

4. Lamination

After the zinnia seeds are sown, cover the surface with a layer of plastic film and keep them ventilated. The temperature should be controlled at around 25 degrees and they will germinate after about a week.

Points to note when planting zinnias

1. Water in time after sowing to keep the soil moist, but the amount of water should not be too much, otherwise it will be detrimental to the germination and later growth of zinnia seeds.

2. One week after the zinnia is planted, when the seedlings grow 4 leaves, they need to be topped off, and whether a second topping is needed will be decided based on the growth conditions to avoid the plant being too tall and having too few flowers.

3. Zinnia grows relatively quickly during the seedling stage. At this time, you need to reduce the frequency of watering, lower the temperature, and prevent it from growing too tall.