Abstract: A leaf collector and comminutor is disclosed having a collection receptacle in the form of a bag and a housing for delivery of comminuted tree leaves into the bag, the housing having thereon a motor driven rotary blade assembly, having a fan portion and a leaf comminuting portion resiliently mounted on the fan portion, for the suction collection and comminution of the leaves to reduce their bulk and for delivery of the disintegrated leaves into the bag, a spring held shearing bar being provided with openings for passage of end portions of the blades, the mounting of the leaf comminuting portion of the blade and the mounting of the shearing bar providing safety features in the event that sticks or stones enter the housing.