Matters needing attention in rhododendron culture
The weather is beginning to be hot, and it is an essential process for flower friends to help flowers spend the summer. In this article, we will talk about how to manage azaleas in summer. The heat tolerance of azaleas has a great relationship with varieties and plant growth, so we say that they can be treated differently.
Light
Rhododendron is a shady plant, the direct sun is not good for its growth, it is best to plant in a shaded place.
Soil
Like the acid soil with good drainage, loose, fertile, rich in humus, acid sandy loam is suitable, and should not be stagnant water.
Watering
In hot summer, water should be watered at least once a day, but do not accumulate water. Daily watering, do not use alkaline water, watering should also pay attention to the water temperature should not be too cold, especially in hot summer, using supercooled water to penetrate, resulting in a sudden decrease in soil temperature, affecting root water absorption, interfering with plant physiological balance. Watering is reduced in autumn, and the basin soil should be dry and re-irrigated after entering the house in winter.
Fertilizer application
Usually in late winter and early spring, some organic fertilizers are applied as base fertilizers. After the rhododendron blossoms from April to May, because the plant consumes a lot of nutrients during the flowering period, the new shoots grow with the germination of leaf buds, which can be fertilized every 15 days or so. After the ambush, most of the shoots have stopped growing, at this time is the high temperature season, the physiological activity is weakened, can no longer topdressing. After autumn, the climate is getting cooler, and there is continuous autumn rain, temperature and humidity is suitable for cuckoo growth, at this time can do the last fertilizer, generally not suitable for fertilization after winter.
Pruning
Pruning branches is generally carried out in spring and autumn, cutting off cross branches, over-dense branches, overlapping branches, diseased and weak branches, timely removal of residual flowers, increase ventilation and light, is also conducive to plant growth. Plastic surgery will come according to your own preferences.
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