• (1) I Believe Daylily - Ida Maney Webb Daylily
• (2) Ida Marmion Rhododendron - Imbricatum Rhododendron
• (3) Imbricatum Southern Maidenhair Fern Adiantum Capillus-veneris - Indian Blanket
• (4) Indian Blanket - Indian Zehneria
• (5) Indian's Dream - Infinitely Attractive Daylily
• (6) Inflamatum Azalea - Intermediate Bearded Iris
• (7) Intermediate Bearded Iris - Ipê-Pardo
• (8) Ipê-Rosa - Island Forest Gem Hosta
• (9) Island Forest Hosta - Ives Scorpion-Weed
• (10) Ives Scorpion-Weed - 울금
• (11) 울금은 - 쿠베프