Pansies:
the flower that was used as a love potion by Oberon, a Faerie king thought
to have been invented by Shakespeare.
Bluebell:
One who hears a bluebell ring will soon die. A field of bluebells is especially
dangerous, as it is intricately interwoven with Faerie enchantments.
Clover:
A four-leafed one may be used to break a Faerie spell.
St. John's Wort
Protects against Faerie spells and is also used as a healing herb.
Hazel:
Celtic legend says it is the receptacle of knowledge; the hazelnut is a symbol of fertility in England.