Are Azaleas Poisonous? Toxicity Facts Every Gardener Should Know

Are azaleas poisonous? Azalea, also known as yingshanhong or mountain pomegranate, is an evergreen or semi-evergreen shrub. Azaleas are very beautiful, and many people like to place them indoors to purify the air. They have the effects of promoting qi and blood circulation, tonifying deficiency, and treating internal injury cough, kidney deficiency deafness, irregular menstruation, rheumatism and so on. Below, the editor will explain whether azaleas are actually poisonous!

Azaleas are indeed toxic to a certain degree. The plants and flowers of yellow azaleas contain toxins, and accidental ingestion can cause poisoning; the flowers of white azaleas contain tetracyclic diterpenoid toxins, and poisoning causes vomiting, difficulty breathing, numbness of the limbs and so on. Poisoned individuals may show nausea, pain, salivation, vomiting, tearing, numbness, slowed heartbeat, low blood pressure, diarrhea, seizures, coma, and possibly death.

Toxic species of azalea include (Rhododendron molle), (Rhododendron decorum) and (Rhododendron aureum), among others. The symptoms of accidental human poisoning are mainly nausea, vomiting, decreased blood pressure and respiratory depression, usually leading to death from respiratory failure. Although some species have not been found to harm humans or livestock and are uncommon, they show strong toxicity in toxicity experiments. When crude extracts of these plants in water or chloroform and other solvents were injected intraperitoneally into mice, doses of less than 1000mg/kg could cause severe poisoning or immediate death in the test animals.

Alright, now everyone should be clear about whether azaleas are poisonous. Although azaleas are beautiful and have certain beneficial effects, many varieties are toxic, and this is something everyone must keep in mind.