In order to breed elderberry in pot, it is necessary to choose a flowerpot with better air permeability and drainage, and the flowerpot should be larger. The requirement for soil is not high, but it is better to be loose and fertile. Put the broken tiles on the bottom of the flowerpot for drainage, and put the soil on it.
Elderberry likes sunshine, but it can also tolerate shade. It needs to ensure sufficient sunlight, otherwise it will make the plant grow in vain and affect flowering. The climate requirements are not strict, can withstand cold, can withstand - 5 ℃ low temperature, but in the north is the best indoor insulation maintenance.
Elderberry has a large demand for water. In the vigorous growth period, it is necessary to keep the basin soil moist and water more. However, elderberry is more afraid of waterlogging, so it is necessary to avoid ponding in the basin, especially in the rainy season. Pay attention to drainage. The elderberry needs appropriate fertilization. In the vigorous growth period, in order to make the soil have sufficient nutrients, fertilization can be done every 7-10 days. Fertilization is mainly based on nitrogen fertilizer. Pay attention to topdressing after flowering.
The propagation of elderberry is generally carried out by means of cutting propagation and branch propagation. Cutting is carried out in spring and branch propagation can be carried out in spring or autumn, but spring is the best way.
The pruning of the elderberry is mainly root pruning and branch pruning. Because the root system of the elderberry is developed and the branches grow very fast, it is necessary to prune the developed root system, and often prune too many branches in the daily maintenance.
The common diseases of elderberry are leaf spot, powdery mildew and canker. 65% of zinzineb wettable powder can be used for spraying treatment. The pests are mainly night moth, scale insect, aphid and moth, which are harmful and need insecticide or self-made insecticide.
