How to cultivate seasonal flowers

It is recommended to use plug trays or seedling trays for the cultivation of seasonal flowers. Directly sowing seasonal flowers in the ground can significantly increase the spread of soil-borne pests and diseases. The lower soil temperature and difficulty in controlling moisture and humidity can affect the germination rate. Using plug trays for seedling cultivation also facilitates the monitoring of germination rates. The growing medium for seedlings should be loose, well-aerated, and capable of retaining moisture and nutrients.

For seasonal flower seedling cultivation, it is recommended to use plug trays or seedling trays. Directly sowing seasonal flowers in the ground can significantly increase the spread of soil-borne pests and diseases. The soil temperature is relatively low, and moisture and humidity are difficult to control, which can affect the germination rate. Using plug trays for seasonal flower seedlings also facilitates the statistics of germination rates. The seedling substrate should be loose, well-aerated, capable of retaining water and nutrients, clean, free from diseases, and have good fertility. Common substrates include peat soil, coconut coir, perlite, and vermiculite, which are generally mixed, for example, 85% peat soil, 10% perlite, and 5% vermiculite. The peat should not be too fine, with perlite particles ideally having a diameter of 3 to 4 mm, and vermiculite particles ideally having a diameter of 3 to 5 mm. Some fertilizers can be added to the substrate; most seeds germinate well in the substrate, but for certain plants like Amaranthus, Geranium, Marigold, and Peacock Grass, the pH value needs to be between 6.2 and 6.5. The temperature for seasonal flowers should be adjusted according to the specific variety's requirements. Most seeds germinate best at temperatures between 20-25°C; temperatures that are too high or too low will directly affect the germination rate. Humidity: Water management after sowing is crucial. In winter seedling cultivation, when the soil temperature is low at night, moisture loss is minimal, so there is no need to supplement water during the seedling stage or only a little is needed. If the soil temperature is high, spraying water should be done according to actual needs. In summer seedling cultivation, moisture evaporates particularly quickly, so water must be supplemented as needed. If the seasonal flower seeds are very fine, to avoid water washing away the seeds, a soaking method can be used to supplement water.

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