Ash trees (Fraxinus oleaceae) are mostly deciduous trees, but there are a few subtropical evergreen species. All together, there are about 45 to 65 species of Ash, which can be found in Europe, Asia Minor and North Africa. They are medium to large trees, growing up to 40 meters in height. Their branches grow opposite to each other. Their leaves are made up of feathery leaflets and provide a light domed canopy over the ground. Its seeds are 'helicopters'. While they can grow in a variety of soils, they prefer deep, moist, well-draining, fertile soils on the northern and eastern sides of hills.


As wandwood, Ash is useful in Transfiguration and Divination. Its ideal owner is stubborn, but courageous. Unfortunately, this wand cannot be gifted to another or it will lose its power. Early Quidditch broomsticks were made of Ash and there is one on display at the Museum of Quidditch.