The leaves of Aloe broomii are short and broad. They curve up slightly and crowd densely in the large rosette of about 1 m in diameter. A leaf becomes about 30 cm long, ending in a spine-tip and usually a dried-out upper part.

Leaf margins are hard and horn-like, armed with sharp teeth evenly spaced along the edges, while no spines occur on the yellow-green leaf blades. The teeth are triangular in shape with pale tips.

Faint longitudinal lines are present on both surfaces of the leaf blades, but no spots occur. The upper surface is about flat near the base, becoming channelled near its tip. The lower surface is convex.

The leaf sap is honey-coloured. The leaves have been boiled by stock farmers to yield a liquid for use against ticks (Reynolds, 1974; Van Wyk and Smith, 2003; Jeppe, 1969; iSpot).