For the item used during Garden of Tranquillity, see Delphinium seed.
[FAQ] • [doc]

Delphinium seeds are given to you by Queen Ellamaria in the south-east part of New Varrock palace during Dimension of Disaster: Curse of Arrav. They can be planted in the delphinium patch to make a delphinium flower, which Thessalia needs to make blue dye for you.