Is oleander poisonous? A collection of pictures is attached

Oleander is a kind of ornamental flower with large flower type and very long flowering period. They bloom almost all year round, especially in summer, when they bloom most vigorously. Oleander is planted in many places in China, often used in parks, roads, lakes and other planting beautification environment. Now there are also some friends potted at home, so oleander poisonous? What are the main points of potted farming? Complete with pictures.

1. Is oleander poisonous?

Oleander is highly toxic, and whole plant, roots, stems, leaves, flowers and fruit are highly toxic, to humans and animals is a risk of ingestion, so oleander cultivation should be avoided near wells and drinking pools. And oleander flowers have adverse effects on people, such as drowsiness, affecting intelligence. Bamboo fungus: a milky white liquid toxic substance secreted by the stems, leaves, flowers and fruits of oleander, which can easily lead to cancer of respiratory tract and digestive system when exposed to too much.

Apocynum poisoning is characterized by nausea, vomiting, abdominal pain, diarrhea, slow heartbeat or tachycardia, fever, dyspnea, cyanosis, blurred vision, rash around the mouth and other digitalis poisoning manifestations, even syncope, convulsions, coma and ectopic rhythm.

2. Cultivation of potted oleander

1. Temperature conditions

In winter, it is necessary to keep the room temperature above 15℃ for oleander to bloom. Oleander planted outdoors in the north needs to be wrapped in straw mulch to protect it from freezing and cold, and the cold-proof material should be removed around Qingming Festival.

2. Soil requirements

Oleander to soil adaptability is very strong, sandy loam and fertile soil can be. Of course, if conditions permit, choose to plant on loose fertile loam as much as possible. It grows well even in poor soil. The soil for potted oleander can be humus soil, coarse sand and garden soil mixed in a ratio of 1: 1.5: 1.5.

3, watering method

Watering once a day in spring, twice a day in summer, once in the morning and once in the evening to keep the water content in the pot at about 50%. In winter, you can water less, but still keep the water content in the pot at about 40%, and the leaves should also be washed with clean water. Inappropriate watering can easily lead to defoliation, flower drop and even death. Watering cannot always be sprayed on the leaves, but on the roots.

4. Key points of fertilization

Fertilization before Qingming can be applied once every ten days or so with bean cake retting with water. Autumn fertilization, every ten days or so to apply 1 time bean cake water or peanut cake water or chicken manure. Without the above fertilizer, decomposed human urine can be used, of course diluted 5-7 times, and dumped along the basin edge until submerged. This nitrogen-rich fertilizer is applied thinly, lightly, sparingly and frequently to prevent burning of the roots.

5, pruning technology

Pruning can be done after rain in spring, between July and August, October and winter. If you want it to bloom indoors, you need to keep the indoor temperature around 15 ° C and need to be exposed to the sun. After flowering also need to be pruned immediately, otherwise, flowers will be few, very small, or even do not bloom.