The Collaborative International Dictionary of English v.0.48:

Leafy \Leaf"y\, a. [Compar. Leafier; superl. Leafiest.]
   1. Full of leaves; abounding in leaves; as, the leafy forest.
      "The leafy month of June." --Coleridge.
      [1913 Webster]

   2. Consisting of leaves. "A leafy bed." --Byron.
      [1913 Webster]