Barley
A common grain, but one of the main foods of the faery. Faeries would often borrow oatmeal from storehouses, and return a double measure of barley as repayment.
Bluebell
The Scottish name for this flower is �Dead Men's Bell� for to hear the ring of a Bluebell is to hear one's death knell. For this reason, it should never be picked. The Bluebell is one of the most potent of all faery flowers. Be wary of walking through a Bluebell wood for it is a place of concentrated faery magic and enchantment. Fairies are summoned to their midnight revels by the ringing of these tiny flowers, which are reported to be the most potent of all fairy flora. Legend has it that children who venture into bluebell glades will be held captive, while adults will be pixie-led, until met by another mortal and led out. Bluebells are also known as wood hyacinths, harebells, Cuckoo's Boots, and Crowtoes.
Cabbage stalks
These serve as transportation for the fae, who ride them like horses.
Clover
This is a sacred faery plant, clovers of all kinds will attract them. Lay seven grains of wheat upon a four leaved Clover and you will be able to see the faerys. Keep the Clover with you for it can break a fairy spell.
Cowslip
These flowers are coveted and lovingly guarded by the Fae. This flower provides them with shelter from the rain and can unlock faery treasure. They are known as �Culver's Keys� in Western England, the �fairy cup� in Lincolnshire, and the �key flower� in Germany.. Another name for them is �keys to Heaven.� The legend to this story goes that when St. Peter heard that wicked souls were trying to enter heaven through the back gate, he dropped his keys in horror. They fell to earth, and where they landed, a group of Cowslips sprung up, their blossoms resembling keys.
Elder
In Denmark, it is said that if a person stands under an elder tree at 12:00 on Midsummer Eve, they will see the King of Faeryland pass by with all of his retinue. Elder also offers protection to the faeries from negative spirits.
Elderberry
This berry is used to make faery wine, and can be burned on a fire to invite the Good Folk to a gathering. It is said that if a human drinks the wine, they will be able to see the faery. If they should drink Elderberry wine from the same goblet as a faery being, they will be able to see them forever.
Elecampagne
This root is also known as "elfs-wort" or "elf-dock" in Germany. It can be scattered around the home to attract the Sidhe. It can also be added to any magick or spell to invoke faery blessing.
Elf-leaf or sorceresses' plant
This plant is not to be picked for it is among the favourite of the fae. (Netherlands)
Elf-mote
This plant (and also meeting with elves) is said to cause Miliary fever. Lichen aphosis or lichen caninus is the remedy.
Fairy butter
This name comes from a species of wood fungus which grows on the roots of old trees. In Wales, it is a substance found at great depth in cavities of limestone rocks.
Fern
This plant is guarded by Oberon on Midsummer night, since this is when the fern flowers - a beautiful sapphire blue. If a mortal manages to collect it's seed despite him, they are under the protection of spirits, and while carrying the seed it renders the person invisible.
Four leaf clover
Growing only in faery haunts, this magic talisman enables the wearer to detect the whereabouts of fae, and see them dance in their faery rings. If a person should happen to find one, they are granted a wish. This is also the main ingredient of faery ointment, which gives the power to penetrate the faeries' glamour and see them as they truly are. However, if a person is an unknowing carrier of this plant, the faeries have the power to enchant them.
Foxglove
Foxglove attracts the faery-folk. However, one must be warned that cutting off a flower stem of Foxglove and bringing into your home is something which angers the faeries. These flowers sometimes serve as caps, gloves, and petticoats for Irish faeries. They also provide thimbles for them.
Furze Bushes
The cobwebs collected on its branches are used to faeries' mantles.
Hawthorn
Hawthorn, also known as "Witches' Tree," is one of the triad of trees that are sacred to the faery. When Ash, Oak, and Thorn trees grow naturally together, it creates a place where it is easy to see the fae. These trees provide safe havens and homes for many varieties of faery.