How to Sow Dianthus Seeds
A comprehensive guide on how to sow Dianthus seeds and the planting methods and timing for Dianthus seed cultivation, with the detailed introduction as follows.
Dianthus seeds can be sown from March to May and from September to October each year, with autumn sowing being more suitable. This is because Dianthus thrives in cool climates, and although the climate and temperature during spring and autumn are suitable for seed germination, the cooler autumn weather is more conducive to improving survival rates. High summer temperatures and low winter temperatures are not favorable for seed germination and growth.
After sowing, during the germination stage, provide comfortable scattered light and a cool environment. In summer, with high temperatures and strong sunlight, shading is necessary, and measures to lower temperatures should be taken. In winter, the plants should be moved indoors for care, with some varieties able to overwinter outdoors.
Dianthus Sowing Method
Seed Selection
Choose healthy, plump seeds without damage or pests, preferably new seeds.
Soil Preparation
Prepare a loose, breathable soil that is alkaline, and expose it to sunlight to sterilize and improve survival rates.
How to Sow Dianthus Seeds
Sowing Operation
Mix the seeds with sand and evenly sprinkle them onto the prepared soil, then cover them with a thin layer of soil, about 1cm thick. Water thoroughly afterward. When watering, be gentle and avoid strong streams to prevent seed displacement and uneven germination.
Late-stage Maintenance
After sowing, control the temperature and lighting. An environment of 20-22°C is conducive to germination, usually within a week. Then ensure more than 5 hours of daily sunlight to promote growth.
Dianthus is drought-tolerant, so the soil can be slightly dry before watering. Water thoroughly and avoid积水. Although Dianthus enjoys sunlight, during the hot summer and strong sunlight, shading is necessary to prevent exposure. Dianthus is prone to diseases such as petal rot, rust, gray mold, seedling rot, and root rot. Regular ventilation is essential, and any diseased plants should be cleared promptly and treated with pesticides.
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