A binding machine for gardening includes a main handle, a clincher arm and a tape gripping device. The main handle is configured to draw out a tape. The clincher arm is provided such that an end portion side of the clincher arm is configured to be close to and be away from a tape guide. The tape gripping device is attached to the clincher arm and is configured to grip the tape drawn out from the main handle. The tape gripping device includes a support portion and a gripping member. The support portion is provided on the clincher arm. The gripping member is provided so as to face the support portion. The tape gripping device is configured to sandwich and grip the tape by the support portion and the gripping member.