Growth habitLike warmth, not cold-tolerant, sun-loving, afraid of intense heat, strong in nature, drought-tolerant, barren-tolerant, avoiding continuous cropping. The roots are deep and the stems are hard and not easy to fall down. It is suitable to grow in fertile deep soil. The optimum temperature during the growth period is 15-30°C.
Zinnia seed planting method1. Choose seeds
If you want to plant Zinnia seeds more smoothly, you must choose the best seeds for planting. The shelf life of Zinnia seeds is only 3 years, and the germination rate of seeds that are too long is also very low. It is best to choose seeds from the previous year. The germination rate of seeds that are as large as possible and plump is the highest.
2. Treat seeds
To make the plants grown from Zinnia seeds healthier, it is necessary to disinfect her seeds. Dilute a 1% potassium permanganate solution in water. Throw the seeds in sterilized water and soak them, remove them to dry after 30 minutes. In this way, when the zinnia grows in the future, it will be stronger.
3. Soil disinfection
Many flower lovers don't understand how to plant Zinnia seeds. In fact, the disinfection of golden soil is also beneficial to the future maintenance of Bao Ri grass, which can prevent Zinnia from pests and diseases during the subsequent growth period. The soil is best to be mixed with peat, perlite and river sand in a ratio of 3:3:3:1, and use 0.05% potassium permanganate for high-temperature fumigation and distillation and disinfection.
4. Planting method
Zinnia is not suitable for intensive planting in a large area. It is best to plant only one plant per flowerpot. Dig a small pit, throw the seeds in, then bury it inside, and compact the soil with your hands. It is also possible to sprinkle Zinnias directly on the soil, and then cover with a layer of 3 to 5 cm of soil, and then water after compaction, soak the soil, and place it in a cool environment.
Precautions for planting zinnia:
1. Maintenance after sowing
Zinnias must be carefully maintained after sowing, and watering must not be excessive, as long as the soil is kept moist. In addition, I have to be a little shady. Zinnia seeds are photophobic flowers, and the rooting rate will decrease after exposure to light. Keep the temperature between 21~23℃, keep the environment ventilated, and then just wait 3~5 days, it will germinate.