Holly Green Alaska Grow the perfect Christmas Holly this year! Ilex Holly Green Alaska is a female variety that looks much like the species with glossy green, spiny foliage. A traditional Holly variety it is spherical in shape & produces shiny red berries. Overtime the Holly Green Alaska forms a narrowly upright, dense evergreen tree that offers useful cover & a valuable source of food for winter birdlife. Just in time for Christmas, it will produce amazing red berries, making this the perfect Christmas Holly. A robust evergreen is especially hardy & forms a useful windbreak tree for year-round interest in even the coldest gardens! Holly head diameter 20-30cm. Ultimate height if left unpruned: 10m (32'). Ultimate spread if left unpruned: 3m (9').