When to sow columbine? A detailed guide to the best planting time

Columbine is a plant commonly found along riversides and mountain roadsides, with high ornamental value, and it is now cultivated in some areas, so when to sow columbine?

1. Sowing time

Columbine is generally sown in spring and autumn. Spring is usually from February to April, and autumn is usually from August to October. A temperature of around 20°C is most suitable for sowing.

2. Site selection and soil preparation

The soil suitable for columbine is sandy soil. The sandy soil should contain humus and have good drainage. It prefers a cool environment and climate and is not suited to being exposed to scorching sun, so it is suitable for sowing and growing in moist places with relatively high soil moisture, such as under trees, beside rivers and beside streams. After choosing the site, first apply sufficient base fertilizer to the sowing area, water it thoroughly, and level the ground surface.

3. Seed treatment

It is best to sow columbine seeds immediately after the seeds mature. The seeds should preferably be sown somewhat sparsely, and before sowing, the waxy layer on the seeds should be removed. You can put the seeds on gauze and rub them gently in water; be gentle. Some people also soak the seeds in warm water, or cover them with a wet cloth, all to promote germination.

4. Sowing

While the soil is moist, scatter the columbine seeds evenly, but also take care that the soil is not too wet. Too much moisture will cause the seedlings to rot. Then cover with film; do not cover with a three-mix soil. This can keep them warm and let columbine sprout faster.

5. Post-sowing management techniques

1. Fertilizer requirements: During vigorous growth and before flowering, columbine should be topdressed in time. You can add urea or phosphate fertilizer to water when watering. At the same time, pay attention to drainage and prevent waterlogging; there must be no standing water. Loosen the soil in time to prevent soil compaction and reduced soil aeration, and also pay attention to proper pruning to prevent the plants from growing too tall and lodging.

2. Temperature requirements: The most suitable temperature for columbine seedlings is 15°C, and the growing period temperature is around 10°C.

3. Light requirements: Columbine has a relatively long demand for light duration. The daily sunshine duration must not be less than 14 hours. Therefore, if there is insufficient sunlight, supplemental lighting should be provided appropriately. Especially for potted plants, supplemental light must be given in winter. In summer, columbine should also be shaded and must not be exposed to direct sunlight.

4. Pest and disease control: In the north, spring is relatively dry with no rain, so water in time, 4 or 5 times a month. At the same time, remove weeds in time to prevent the spread and occurrence of pests and diseases, and do a good job early in controlling aphids and red spider mites, spraying pesticide on the leaves.

Overall, columbine can be sown in spring from February to April and in autumn from August to October. If you do not know exactly how to plant it, as long as the temperature is around 20°C, it can be planted.