The Blue Oleander is a species of flower. It is poisonous to reptiles if they eat it. However, the Scauldron is the only reptile immune to the flower and makes the dragon venomous.
Background[]
Physical Appearance[]
The Blue Oleander is known to be a short bushy plant that grows blue flowers. It has five separated petals and the leaves are ovate that end in an acute tip.
Role in the series[]
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In "Dragon Flower", Mildew got the Blue Oleanders from Trader Johann and planted them on Berk. During the night, the Dragon Riders then noticed the flower and wondered what they are and Fishlegs tells are Blue Oleanders.
Hiccup then carries a basket full of Blue Oleanders into the sea to lure Scauldron. The basket of Blue Oleanders land on Mildew's face. The flowers began to slide down the ship and the Scauldron starts to feed on them. The Scauldron noticed one Blue Oleander on Mildew's butt and bite him there.
In "When Darkness Falls", as the Dragon Riders search for a safe island for themselves they found an island that looks safe but then stumbled across some bushes full of Blue Oleanders which are poisonous to dragons.
In "Defenders of the Wing, Part 1", Viggo surround himself with Blue Oleanders to keep the dragons out while having Hiccup in a meeting.
Trivia[]
- The Blue Oleander is the first plant to be used as a weapon.
