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; and 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, wherein the tape gripping device includes: a support portion that is provided along a drawing direction of the tape; a gripping member that is provided so as to face the support portion; a gripping member urging unit that is configured to urge the gripping member toward the support portion; a lock member that is configured to be engaged with the gripping member to hold the gripping member at a standby position against an urging force of the gripping member urging unit; and a lock member urging unit that is configured to urge the lock member in an engaging direction with the gripping member, and the lock member is rotatably attached to the clincher arm, characterized by a tape guide through which the tape is guided so as to be drawable, at the front end portion of the main handle, wherein when the clincher arm rotates in a closing direction with respect to the main handle, the tape guide pushes the lock member against an urging force of the lock member urging unit. 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; and 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, wherein the tape gripping device includes: a support portion that is provided along a drawing direction of the tape; a gripping member that is provided so as to face the support portion; a gripping member urging unit that is configured to urge the gripping member toward the support portion; a lock member that is configured to be engaged with the gripping member to hold the gripping member at a standby position against an urging force of the gripping member urging unit; and a lock member urging unit that is configured to urge the lock member in an engaging direction with the gripping member, and the lock member is rotatably attached to the clincher arm, characterized by a tape guide through which the tape is guided so as to be drawable, at the front end portion of the main handle, wherein when the clincher arm rotates in a closing direction with respect to the main handle, the tape guide pushes the lock member against an urging force of the lock member urging unit. a support portion that is provided along a drawing direction of the tape; a gripping member that is provided so as to face the support portion; a gripping member urging unit that is configured to urge the gripping member toward the support portion; a lock member that is configured to be engaged with the gripping member to hold the gripping member at a standby position against an urging force of the gripping member urging unit; and a lock member urging unit that is configured to urge the lock member in an engaging direction with the gripping member, and the lock member is rotatably attached to the clincher arm, characterized by a tape guide through which the tape is guided so as to be drawable, at the front end portion of the main handle, wherein when the clincher arm rotates in a closing direction with respect to the main handle, the tape guide pushes the lock member against an urging force of the lock member urging unit.