Spider mites and aphids keep coming back? Use bark water to drive away pests, no more bugs for 3 years

When growing flowers, spider mites and aphids never seem to stop, which is really frustrating. Spraying pesticides pollutes the environment, so it is better to make some green insecticides at home, which do not pollute the environment and still work well.
Many kinds of bark can kill spider mites and aphids. Spray some bark water on plants suffering from pests and diseases, and they will not grow bugs for 3 years.
Oleander
The whole oleander plant is toxic, so pick its leaves, crush them, soak them in clean water overnight, and spray the liquid on the affected areas. It can effectively kill spider mites, aphids and their eggs, and can also serve as a preventive measure.
Willow leaves
Pick fresh willow leaves, crush them thoroughly with a tool, add water and soak overnight, filter out the residue, and spray continuously 3 to 4 times. This can kill most spider mites and aphids.
Ginkgo leaves
Ginkgo leaves are toxic. Since ancient times there has been a saying that ants do not climb ginkgo trees! So take fresh ginkgo leaves, crush them thoroughly, make them into a solution, and spray it on the affected areas. It can kill pests and also repel and prevent them.
Chinese arborvitae
Take fresh Chinese arborvitae leaves, crush them thoroughly with a tool, add water to dilute ten times, filter out the residue, and spray on the affected areas 3 to 4 times. It can also kill spider mites, aphids and eggs.
Besides these leaves being able to kill spider mites and aphids, some seasonings in daily life can do it too, such as garlic, onion, chili water and so on. Their ability to kill pests and prevent pest damage is also very strong.
These methods cause no pollution and are green pest-killing methods, a must-have for growing flowers! They can be used on common plants such as Chinese roses and gardenias.