A binding machine for gardening comprising: a main handle that is configured to draw out a tape from a front-end portion thereof; a clincher arm that is rotatably attached to the main handle; a tape gripping device that is attached to a front-end portion of the clincher arm and that is configured to grip an end portion of the tape drawn out from the front-end portion of the main handle; and a bonding unit configured to bond end portions of an overlapped tape, wherein in a case where the clincher arm completely closed with respect to the main handle is viewed from the side in a plan view, when a bonding direction of the bonding unit is defined as a vertical direction and a direction orthogonal to the vertical direction is defined as a horizontal direction, the tape gripping device is configured such that a width in the vertical direction thereof is 1.5 times or less than a width in the horizontal direction thereof, such that in a state where the clincher arm is opened, a front-end portion of the clincher arm disposed with the tape gripping device extends substantially in parallel with the main handle; and the tape gripping device is disposed along an insertion direction of the binding machine to crops, characterized in that the binding machine further comprises a gripping device cover covering a front side of the tape gripping device, the gripping device cover has a forward protruding portion that covers a front side of the tape gripping device, and the forward protruding portion is formed in a curved shape, only the forward protruding portion is in contact with crops and the tape gripping device does not come in contact with crops when the clincher arm is inserted between crops. a main handle that is configured to draw out a tape from a front-end portion thereof; a clincher arm that is rotatably attached to the main handle; a tape gripping device that is attached to a front-end portion of the clincher arm and that is configured to grip an end portion of the tape drawn out from the front-end portion of the main handle; and a bonding unit configured to bond end portions of an overlapped tape, wherein in a case where the clincher arm completely closed with respect to the main handle is viewed from the side in a plan view, when a bonding direction of the bonding unit is defined as a vertical direction and a direction orthogonal to the vertical direction is defined as a horizontal direction, the tape gripping device is configured such that a width in the vertical direction thereof is 1.5 times or less than a width in the horizontal direction thereof, such that in a state where the clincher arm is opened, a front-end portion of the clincher arm disposed with the tape gripping device extends substantially in parallel with the main handle; and the tape gripping device is disposed along an insertion direction of the binding machine to crops, characterized in that the binding machine further comprises a gripping device cover covering a front side of the tape gripping device, the gripping device cover has a forward protruding portion that covers a front side of the tape gripping device, and the forward protruding portion is formed in a curved shape, only the forward protruding portion is in contact with crops and the tape gripping device does not come in contact with crops when the clincher arm is inserted between crops.