Strawflower, Annual Everlasting
Strawflower, Everlasing
Sulfur Flower
Sulfur Flower Buckwheat
Sumac, Staghorn 'Cutleaf'
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'