Hosta undulata var undulata bears its funnel shaped lavender blue flowers on tall spikes above neat clumps of foliage the oval bright green leaves have attractive creamy white centres a curious twisted growth habit that gives them a fascinating appearance this rhs agm variety makes a fabulous addition to borders woodland gardens and patio containers producing the best colour in a shady position height and spread 45cm 40183441 culinary information the best part to use is the h