Common name: Hydrangea
Botanical name: Hydrangea macrophylla
Other common names: Big leaf hydrangea, mop heads
General description: An ornamental deciduous shrub to 3m tall cultivated for its large showy flowers.
Flowers: The blue, pink or less commonly, white flowers are in large dense clusters held at the end of the branches. Each flower has 4-5 petals.
Leaves: The shiny light green leaves are opposite, broadly ovate with a pointed tip and coarsely toothed margins, 10-20cm long and 6-14cm wide.
Fruit/Berries: The fruit is a capsule 6-8mm long and 1-3mm in diameter with numerous tiny light brown seeds.
Symptoms: All parts of the plant are poisonous. If eaten, symptoms can include nausea, vomiting and diarrhoea.
Skin contact can cause dermatitis, rash or irritation.
Toxicity category: 2, 3
Warning: Seek medical attention if symptoms occur.