Fenestration unit with installation features and associated methods

A fenestration unit having an interior side and an exterior side that is configured for installation in an opening in a structure defined by a rough opening framing, the fenestration unit comprising:

• a frame having a perimeter including a first jamb, a second jamb, a frame head, and a lower rail, the frame head defining a first accessory groove along a length of the frame head;
• and
• at least one anchoring clip including a coupling bracket, the coupling bracket including,
• a first leg defining a hook, wherein the hook is configured to be received by the first accessory groove to couple the coupling bracket to the perimeter of the frame, and
• a second leg angularly offset from the first leg and configured to engage the rough opening framing.

A method of installing an anchoring clip onto a fenestration unit having a frame defining a perimeter and including at least a frame head, the method comprising:

• engaging a hook of an anchoring clip with a first accessory groove of a frame of the fenestration unit, wherein the first accessory groove is defined along a length of the frame head;
• pivoting the anchoring clip downward toward the perimeter of the frame in a cantilever action such that one or more catches of the anchoring clip engage a third accessory groove of the frame, wherein the third accessory groove is defined along the length of the frame head;
• aligning a first aperture of the anchoring clip with a second accessory groove, wherein the second accessory groove is defined along the length of the frame head;
• and
• coupling the anchoring clip to frame at the second accessory groove via one or more fasteners.