Summer Lilac
Summer or Giant Snowflake
Sun Rose
Sun Rose, Annabel
Sun Rose, Wisley Pink
Sunflower, Beach or Cucumber-Leaf
Sunflower, Common
Sunflower, Lemon Queen
Sunflower, Oxeye
Sweet Alyssum
Sweet Bay
Sweet Bay, Grecian Laurel
Sweet Flag / Striped Calamus
Sweet Gum, 'Burgundy'
Sweet Gum, 'Festival'
Sweet Gum, American / Liquidambar
Sweet Pea, Annual
Sweet William
Sycamore, American or Buttonwood
Sycamore, Western
