Absolutely huge, this incredible Hosta produces large, shiny yellow-green leaves up to 50cm (20) long! In summer, densely packed spikes of pale lilac flowers appear on tall slender stems. Hosta 'Sum and Substance' is a striking addition to woodland gardens, shady borders and large patio containers, and has been awarded an RHS AGM or its outstanding performance. The ridged, textured foliage forms clumps over a metre wide so be sure to give this hardy perennial some space! Height: 75cm (30). Spread: 120cm (48).