Hosta T Rex will form a substantial mound, reaching approximately 80cm-100cm in height and spreading up to 240cm upon full maturity. This Hosta is notably large. The green leaves of Hosta T Rex are slightly wavy and floppy, forming a significant mound of somewhat corrugated green foliage. Although it is slow to start, it eventually grows into a very large and impressive Hosta with a pleasing leaf shape. The leaves have a matte, mid-green hue with a blue cast. They are deeply veined, seer suckered, as well as a slight ripple along the margin. White flowers bloom on 130cm scapes, beginning in July and lasting through August. Additionally, it is slug resistant and sun tolerant.