Seed selection, sowing, maintenance and harvesting verbena. As a common medicinal plant and ornamental plant, its unique medicinal value and ornamental properties have been loved by more and more people. It is not easy to grow high-quality verbena. This article will explain in detail the planting methods of verbena, including seed selection, sowing, maintenance and other aspects, to help you easily grow healthy and beautiful verbena. Selection 1. Select excellent varieties: Before planting verbena, we must first select excellent varieties. Currently, common verbena varieties on the market include purple verbena, white verbena, etc. It is recommended to choose varieties with strong disease resistance, fast growth, and high medicinal value.
2. Basis for variety selection: Select the appropriate variety according to the planting purpose and regional climate conditions. In the northern region, you can choose the purple verbena with strong cold resistance; in the southern region, you can choose the white verbena with fast growing speed. Sowing 1. Sowing time: The sowing time of verbena is generally in spring or autumn. The specific time depends on local climate conditions. Sowing too early or too late will affect the growth of verbena.
2. Sowing method: Before sowing, deeply turn the soil and loosen the soil, then evenly sow the seeds. After sowing, cover it with a thin layer of soil to keep the soil moist.
3. Sowing density: The sowing density of verbena is generally 10-15 grams per square meter. Too dense sowing will lead to poor plant growth, and too sparse will affect the yield. Maintenance 1. Watering: Verbena likes a humid environment. The soil should be kept moist during growth. Watering should follow the principle of "seeing wet when it is dry" to avoid stagnant water.
2. Fertilization: During the growth period of verbena, fertilizer is applied every 15-20 days. The fertilizer is mainly nitrogen, phosphorus and potassium compound fertilizers, and is applied in appropriate amounts.
3. Pest and insect pest control: Verbena is susceptible to pests and diseases and should be controlled in a timely manner. Common pests and diseases include leaf spot disease, aphids, etc. Prevention and control methods include spraying pesticides and strengthening field management.
4. Pruning: Verbena grows rapidly, so the withered leaves and sick branches should be pruned in time to keep the plant ventilated and transparent. Harvest 1. Harvest time: Verbena generally enters the rich period 2-3 years after planting, and the harvest time is generally in autumn. The specific time depends on market demand and plant growth.
2. Harvesting method: During harvesting, use a sickle or scissors to cut off the plants, dry them and then sell or process them.
Planting verbena is not difficult. As long as you master the steps of seed selection, sowing, and maintenance, you can easily grow high-quality verbena. I hope this article will help you and wish you success in planting!
Note: The data in this article comes from authoritative materials such as "Medicinal Flora of China" and "Cultivation Techniques of Chinese Medicinal Materials" and are for reference only.