I've had a couple of patches for about 30 years. One is White Splendour, the other mixed unnamed ones. They are growing with Anemone nemorosa, Pacific Coast iris, Erythronium oregonum, revolutum and hendersonii, shaded by filberts. The area gets watered occasionally in the summer. Diane Whitehead Victoria, B.C., Canada cool mediterranean climate mild dry summers, mild rainy winters