1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  1. IBERIS IBERIS Also known as: Candytuft
  2. Iberis amara Iberis amara Also known as: Bitter Candytuft, Clowns Mustard, Rocket Candytuft
  3. Iberis sempervirens Iberis sempervirens Also known as: Perennial Candytuft
  4. Iberis sempervirens Iberis sempervirens 'Snow Flake' Also known as: Snow Flake Candytuft
  5. Ice Plant Ice Plant Also known as: DELOSPERMA
  6. Ice Plant Ice Plant Also known as: LAMPRANTHUS
  7. Iceland Poppy Iceland Poppy Also known as: Papaver nudicaule
  8. Ilex crenata Ilex crenata Also known as: Japanese Holly
  9. Ilex dimorphophylla Ilex dimorphophylla Also known as: Holly
  10. Ilex verticillata Ilex verticillata Also known as: Winterberry
  11. Ilex vomitoria Ilex vomitoria Also known as: Yaupon Holly
  12. Illicium parviflorum Illicium parviflorum Also known as: Anise
  13. Impala Lily Impala Lily Also known as: Adenium obesum
  14. Impatiens Impatiens Also known as: Dizzy Lizzy, Jewel Wees, Touch-Me-Not
  15. IMPATIENS IMPATIENS Also known as: Balsam, Jewel Weed
  16. Impatiens hawkeri Impatiens hawkeri 'Exotica' Also known as: Patience Plant
  17. Impatiens walleriana holstii Impatiens walleriana holstii Also known as: Busy Lizzie
  18. Imperata cylindrical Imperata cylindrical Also known as: Japanese Blood Grass
  19. Incense Bush Incense Bush Also known as: Plume Bush, Calomeria amaranthoides
  20. Incense Tree Incense Tree Also known as: Alligator Tree, Gumtree, Sweet Gum Tree, Liquidambar Styraciflua
  21. India Plant India Plant Also known as: Chamaeranthemum venosum
  22. Indian Arrowroot Indian Arrowroot Also known as: Tacca leontopetaloides
  23. Indian Cress or Watercress Indian Cress or Watercress Also known as: Nasturtium, Tropaeolum Majus
  24. Indian Crocus Indian Crocus Also known as: PLEIONE
  25. Indian Ginger Indian Ginger Also known as: Alpinia calcarata
  26. Indian Kale Indian Kale Also known as: Xanthosoma lindenii 'Magnificum'
  27. Indian Mock Strawberry Indian Mock Strawberry Also known as: Duchesnea indica
  28. Indian Pink Indian Pink Also known as: Cardinal Climber, Cypress Vine, Ipomoea quamoclit
  29. Indian Reed Flower Indian Reed Flower Also known as: Indian Shot, Canna indica hybrids
  30. Indoor Oak Indoor Oak Also known as: Buddleia indica
  31. IPHEION IPHEION Also known as: Flower of the Incas, Star Flower
  32. Ipheion uniflorum Ipheion uniflorum Also known as: Spring Star Flower
  33. IPOMOEA IPOMOEA Also known as: Morning Glory
  34. Ipomoea Batatas Ipomoea Batatas Also known as: Sweet Potato
  35. Ipomoea batatas Ipomoea batatas 'Blackie' Also known as: Sweet Potato Vine
  36. Ipomoea horsfalliae Ipomoea horsfalliae Also known as: Lady Doorly, Morning Glory
  37. Ipomoea indica Ipomoea indica Also known as: Blue Dawn Flower
  38. Ipomoea Purpurea Ipomoea Purpurea Also known as: Morning Glory
  39. Iresine herbstii hybrids Iresine herbstii hybrids Also known as: Chicken Gizzard
  40. Iris germanica Also known as: Bearded Iris, German Iris
  41. Iris Pumila Also known as: Miniature Iris, Miniature Irises
  42. Iron Cross Begonia Iron Cross Begonia Also known as: Begonia masoniana
  43. Iron Tree Iron Tree Also known as: METROSIDEROS
  44. Ironwood Ironwood Also known as: Australian Pine, Beefwood, She Oak, CASUARINA
  45. Italian Bellflower Italian Bellflower Also known as: Star of Bethlehem, Campanula isophylla
  46. Ivory Cane Palm Ivory Cane Palm Also known as: Pinanga kuhlii
  47. Ivy Ivy Also known as: HEDERA
  48. Ivy Leafed Geranium Ivy Leafed Geranium Also known as: Pelargonium peltatum 'Balcon Imperial'
  49. Ivy-leaved Morning Glory Ivy-leaved Morning Glory Also known as: Ipomoea hederifolia
  50. Ivy-leaved Toad Flax Ivy-leaved Toad Flax Also known as: Climbing Sailor, CYMBALARIA
  51. IXIA IXIA Also known as: Corn Lily
  52. Ixia flexuosa Ixia flexuosa Also known as: Grass Lily
  53. Ixora casei Ixora casei 'Super King' Also known as: Flame of the Woods
  54. Ixora chinensis Ixora chinensis Also known as: Broken Pot, Prince of Orange