When the azaleas grow buds, you can spray some foliar fertilizer on them.Fertilizing before the flowers open can promote flower bud differentiation, but only spraying foliar fertilizer after the buds appear.But wait for the bud to grow to a certain extent, then do not continue to fertilize.There is no need to fertilize during the flowering period, and nutrients can be supplemented after the flowers wither.
When fertilizing rhododendrons, it is possible to water them, but the amount of water should not be too large.Usually, the next morning after fertilizing it, water it once, the purpose of this is to help the fertilizer dissolve, and the roots of the plant will absorb it better.Fertilizer should be applied when the soil is dry, possibly in the evening, so as not to endanger the growth of plants.
1. Amount of fertilizer application: Fertilizer application to azaleas should be thin and frequent. Generally, there is no need to apply fertilizer in 1-2 years. This is because there is enough base fertilizer in the soil.If the culture is carried out for 3 to 5 years, the fertilizer is applied once every 15 days; For plants growing for more than 4 years, the amount of fertilization is about 20 G each time.
2. Concentration: It is a plant that likes fertilizer, but when fertilizing, we should also pay attention not to use thick fertilizer.Fertilization in the growing season is generally applied to thin cake fertilizer water, or their own retting of fertilizer.Fertilizer should be applied before winter, but do not apply base fertilizer when repotting.
