There are many trees associated with faeries. One should
beware of faerie trees, because they are fiercely protected. Oak, Ash
and Thorn are the trees of Celtic lands and are sacred to the faeries.
Other trees include the Hawthorn, Blackthorn, Whitethorn,
Tulip, Birch, Elder, Redwoods,
Willow, Oak, Rowan, Felled Oaks,
Hazel, Olive, Cypress, Magnolia
and Maple.