The fresh peaches can be replaced with 2 ½ cups (350 g) frozen peach wedges.
Dried camomile flowers are available in most health food stores or bulk stores.
Why not add edible flowers to your ice cubes? They are perfect for decorating your lemonades or cocktails. Fill an ice cube tray halfway with water and freeze until starting to set, about 1 hour. Add a few flowers and cover with water. Freeze until completely set.