Abstract: A combined lawn mower and grass catcher including a rotary type mower having a rearwardly directed discharge opening and a grass catcher mounted on the mower and extending to the rear thereof and within the lateral confines of the mower. A mower handle extends rearwardly of the mower with a portion thereof underneath the catcher for protecting and supporting the catcher if and when the latter extends down to the supporting portion of the mower handle. The catcher and the mower have inter-engaging members for attaching and removing the catcher relative to the mower, including a handle at the rear end of the catcher for attaching to the mower handle and for lifting the catcher. A spring-biased discharge opening door is mounted on the mower for engaging the front portion of the catcher and thereby securing the catcher so the mower under the influence of the spring acting on the mower door.