Cultivation methods and precautions of Buddleja

How to cultivate Buddleja

temperature

Buddleja likes a warm growing environment and is slightly cold-resistant. The suitable growth temperature is about 25℃.

Watering

Buddleja likes moisture, so keep the soil moist at all times, but avoid waterlogging.

soil

Buddleja has strong adaptability and is not very demanding on soil, so it can be cultivated in most soils.

Fertilization

You can apply top dressing once before the Buddleja blooms, and again during the fruiting period. It is best to use a combination of nitrogen, phosphorus and potassium. You can also apply human feces and urine.

Things to note when growing Buddleja

prune

The main trunk of the Buddleja plant that is more than 3 years old is basically formed. Cut off the dense branches, weak branches, dead branches, diseased branches and the sprouting branches from the rhizome.

Pests

The main hazards are borers and red spiders. Borers damage young branches and can be killed by spraying with imidacloprid, long-lasting phosphorus and other sprays during the egg-laying period of the adult insects. At the same time, the withered branches can be cut off and burned. Red spider mites mainly harm leaves, and can be controlled by spraying 1800 times diluted 40% dimethoate emulsion.