Hosta Platinum Tiara will form a compact mound, reaching a height of approximately 36cm to 45cm and spreading up to 100cm at maturity. This Hosta is a sport of Hosta Golden Tiara and features chartreuse leaves with a thin white margin. It produces dense, clump-forming foliage with broadly oval, golden-yellow leaves edged with narrow white margins. Distinguished as one of the brightest among the Tiara series, it blooms with  bell-shaped, purple flowers on tall, slender scapes measuring 70cm in height during June and July. Additionally, it is sun tolerant.