QuinceThe blossoms of flowering quince are a sure sign that Winterthur’s Sundial Garden is about to come into its own. In the Sundial Garden, April is like a fireworks show—light the fuse and stand back. This part of the Winterthur Garden was not designed to offer multiple seasons of interest; instead, it was created to look its best in April. With the warmth of the last couple of days, magnolia, quince, and spiraea have begun their display. Presiding over this colorful performance is one of Winterthur’s finest specimen trees, a large, cloud-like Magnolia called  ‘Wada’s Memory.’ Magnolia 'Wada's Memory'