English Holly (Ilex aquifolium) is the Holly plant species commonly associated with Christmas. With its iconic shape, deep green and thorny leaves, and small red berries, it often features in festive wreaths, decorations and bouquets.Also sometimes referred to as Christmas Holly or Common Holly, this slow-growing, ornamental, densely-branched evergreen tree can easily grow up to ten meters. It can also be trained to grow as a tall shrub.Holly berries ripen in fall and remain on the branches throughout winter. They make an excellent food source for wildlife during this period. You're likely to see lots of birds congregating around your holly bush in the colder months.Their attractive evergreen nature makes them an excellent choice for winter landscaping, either individually or to develop a hedgerow.