Cultivation method of blue flax
Plant a clump of blue linen on the windowsill or courtyard. When you open the window in the morning, you can see the fine blue flowers swaying in the morning mist, like a galaxy falling into the world. This perennial herb native to Eurasia is becoming a new favorite among urban gardening enthusiasts with its unique blue-purple flower sea effect and super environmental adaptability. By mastering several key maintenance points, you can also let this elegant plant bloom with amazing vitality. Blue flax growth environment regulates temperature and light balance. A warm and cool environment of 15-20℃ is the most conducive to plant development. In summer, sunshade nets need to be used to reduce the temperature. Direct light is guaranteed for 6 hours a day in spring and autumn, and full sunshine can be accepted in winter. In semi-shaded environments, it is recommended to rotate the flowerpot regularly to ensure uniform light reception. Water management cycle Keep the soil moist during the seedling period, and use an atomized spray can to replenish water once in the morning and evening. Mature plants master the principle of "see wet when it is dry", pour water thoroughly when the topsoil is white, and dump the accumulated water in the basin in time during the rainy season. Analyze the key points of blue flax planting and optimize the substrate ratio. Use a mixed substrate of humus: perlite: vermiculite =5:3:2, and add bone meal as the base fertilizer every two years when changing pots. In the peak growth season, phosphorus and potassium liquid fertilizer will be diluted 1000 times every month to avoid excessive nitrogen fertilizer causing excessive growth. The cultivation method of blue flax is shaped and trimmed artistic flowers in time after cutting off residual flowers to promote secondary flowering, and the base 15-cm main stem is retained. The overall shaping is carried out in early spring every year to remove cross branches and weak branches to keep the plant ventilated and transparent. The emergency response to plant pests and diseases to prevent and control root rot was found when the leaves were wilted. Immediately remove the pot and check the root system. After cutting off the browned and rotten roots, they were soaked in carbendazim for 30 minutes. Replace the disinfected new soil and initially control the watering amount until new roots germinate. Physical pest control hangs yellow sticky insect boards to prevent thrips. Aphids found are killed with a cotton swab dipped in alcohol. Regular spraying of azedra oil can effectively prevent the breeding of red spiders.