R. prattii is part of the Taliensia subsection of rhododendrons, sister to bureavii and adenogynum. The subsection is known for long-lived and slow-growing shrubs and small trees. A.E. Pratt discovered R. prattii in E. Sichuan — hence the name. Its polished leaves are covered with hair-like indumentum. Its structure is open-growing.
R. prattii is native to Sichuan where it may grow to ten feet over many years. In a container, it may reach five feet in ten years.
R. prattii will like afternoon shade, shelter from baking heat, small amounts of fertilizer on Valentine’s Day and Mother’s Day, gentle watering that keeps it moist, good drainage with well-aerated soil.