Mentzelia packardiae is a species of flowering plant in the Loasaceae known by the common names Packard's blazingstar and Packard's stickleaf. It is native to the western United States, where it is known from a small area in Oregon and Nevada. This plant grows on dry, potassium-rich volcanic ash soils. The soils are green-tinged. Associated plants include Senecio ertterae, Trifolium owyheense, and Phacelia lutea. Threats to this rare plant include mining, recreational activity, off-road vehicles, and road construction.