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
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  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  1. HAEMANTHUS HAEMANTHUS Also known as: Blood Lily
  2. Haemanthus albiflos Haemanthus albiflos Also known as: White Paint Brush
  3. Hairbrush Cactus Hairbrush Cactus Also known as: Pachycereus pringlei
  4. Hamamelis virginiana Hamamelis virginiana Also known as: Witchhazel
  5. Hand Fern Hand Fern Also known as: Doryopteris concolor
  6. Hand Ferns Hand Ferns Also known as: DORYOPTERIS
  7. Hapu Hapu Also known as: Blonde Tree Fern, Hawaiian Tree Fern, Cibotium glaucum
  8. Hard Fern Hard Fern Also known as: BLECHNUM
  9. HARDENBERGIA HARDENBERGIA Also known as: Australian Pea
  10. Hardenbergia violacea Hardenbergia violacea Also known as: False Sarsparilla, Purple Coral Pea, Vine Lilac
  11. Hardy Ice Plant Hardy Ice Plant Also known as: Delosperma cooperi
  12. Hardy Silk Tree Hardy Silk Tree Also known as: Albizia julibrissin
  13. Hare Hare's Foot Fern Also known as: DAVALLIA
  14. Harewood Bamboo Harewood Bamboo Also known as: Fargesia murieliae
  15. Harlequin Harlequin Also known as: SPARAXIS
  16. Hart Hart's Tongue Fern Also known as: Asplenium scolopendrium
  17. Hatchet Cactus Hatchet Cactus Also known as: Pelecyphora aseliformis
  18. Hatiora salicornioides Hatiora salicornioides Also known as: Drunkards Dream
  19. Hawaii Bird Hawaii Bird'snest Sleenwort Also known as: Bird's Nest Fern, Asplenium nidus
  20. Haworthia fasciata Haworthia fasciata 'Variegata' Also known as: Zebra Haworthia
  21. Haworthia truncata Haworthia truncata Also known as: Clipped Window Plant
  22. Hawthorn Hawthorn Also known as: Crimson Cloud, Crataegus laevigata
  23. Hazelnut Hazelnut Also known as: Filbert, Corylus Ameicana
  24. Heart Fern Heart Fern Also known as: Valentine Fern, Hemionitis arifolia
  25. Heart Flower Heart Flower Also known as: Flamingo Flower, ANTHURIUM
  26. Heart Leaf Ice Plant Heart Leaf Ice Plant Also known as: Baby Sun Rose, Aptenia cordifolia
  27. Heart Leaf Philodendron Heart Leaf Philodendron Also known as: Sweetheart Plant, Philodendron scandens oxycardium
  28. Heartleaf Flame Pea Heartleaf Flame Pea Also known as: Australian Flame Pea, Chorizema cordatum
  29. Hearts Ease Hearts Ease Also known as: Pansy, Viola tricolor
  30. Heath Heath Also known as: Heather, Erica Carnea
  31. Heath Heath Also known as: Heather, ERICA
  32. Heavenly Bamboo Heavenly Bamboo Also known as: Sacred Bamboo, Nandina domestica
  33. HEBE HEBE Also known as: Veronica
  34. HECHTIA HECHTIA Also known as: Fairy Angel
  35. HEDERA HEDERA Also known as: Ivy
  36. Hedera canariensis hybrids Hedera canariensis hybrids Also known as: African Ivy, Algerian Ivy
  37. Hedera helix Hedera helix Also known as: Baltic Ivy, English Ivy
  38. Hedera helix hybrids Hedera helix hybrids Also known as: Common Ivy, English Ivy
  39. Hedgehog Cactus Hedgehog Cactus Also known as: ECHINOCEREUS
  40. Hedychium coronarium Hedychium coronarium Also known as: Butterfly Ginger, Garland Flower
  41. Helenium autumnale Helenium autumnale Also known as: Sneezeweed
  42. Heliconia angustifolia cv Heliconia angustifolia cv 'Yellow Christmas' Also known as: Lobster Claw
  43. Heliconia psittacorum Heliconia psittacorum 'Lady Di' Also known as: Parrot Flower
  44. Heliocereus speciosus Heliocereus speciosus Also known as: Sun Cactus
  45. Heliophila longifolia Heliophila longifolia Also known as: Cape Stock
  46. Heliotrope Heliotrope Also known as: HELIOTROPIUM
  47. Heliotrope Heliotrope Also known as: Cherry Pie Plant, Turnsole, Heliotropium
  48. Heliotropium arborescens Heliotropium arborescens Also known as: Cherry Pie
  49. HELIPTERUM HELIPTERUM Also known as: Paper Daisy, Sunray
  50. Helipterum eximium Helipterum eximium Also known as: Strawberry Everlasting
  51. Helipterum roseum grandiflorum Helipterum roseum grandiflorum 'Double Mixed Also known as: Everlasting
  52. Hellebore Hellebore Also known as: HELLEBORUS
  53. Helleborus orientalis Helleborus orientalis Also known as: Christmas Rose, Lenten Rose
  54. Helmet Flower Helmet Flower Also known as: Skullcap, SCUTELLARIA
  55. Helmet Flower Helmet Flower Also known as: Coryanthes seegeri
  56. Hemerocallis Hemerocallis Also known as: Daylilies
  57. HEMIGRAPHIS HEMIGRAPHIS Also known as: Red Ivy
  58. Hemigraphis colorata Hemigraphis colorata Also known as: Waffle Plant
  59. Hemigraphis Hemigraphis 'Exotica' Also known as: Purple Waffle Plant
  60. Hemp Vine Hemp Vine Also known as: Climbing Hempweed, MIKANIA
  61. Hen and Chickens Hen and Chickens Also known as: Sempervivum tectorum
  62. Hens & Chicks Hens & Chicks Also known as: Mexican Snowball, Echeveria elegans
  63. Hens and Chicken Fern Hens and Chicken Fern Also known as: Mother Fern, Asplenium bulbiferum
  64. Hen Hen's Eyes Also known as: Coral Berry, Ardisia crenata
  65. Hibiscus rosa sinensis Hibiscus rosa sinensis 'Antique Rose' Also known as: Antique Rose Hibiscus
  66. Hibiscus rosa sinensis Hibiscus rosa sinensis 'Dragon's Breath' Also known as: Dragons Breath Hibiscus
  67. Hibiscus rosa sinensis hybrids Hibiscus rosa sinensis hybrids Also known as: Rose of China
  68. Hibiscus rosa sinensis Hibiscus rosa sinensis 'Mr.Ace' Also known as: Mr. Ace Hibiscus
  69. Hibiscus rosa sinensis Hibiscus rosa sinensis 'Sunshower' Also known as: Sunshower Hibiscus
  70. Hibiscus schizopetalus Hibiscus schizopetalus Also known as: Chinese Lantern
  71. Hidden Ginger Hidden Ginger Also known as: CURCUMA
  72. Himalayan Laurel Himalayan Laurel Also known as: Japanese Laurel, AUCUBA
  73. HIPPEASTRUM HIPPEASTRUM Also known as: Amaryllis
  74. Hoary Stock Hoary Stock Also known as: Matthiola incana 'Yellow Climax'
  75. Hoffmannia refulgens Hoffmannia refulgens Also known as: Quilted Taffeta Plant
  76. Holly Holly Also known as: Ilex dimorphophylla
  77. Holly fern Holly fern Also known as: CYRTOMIUM
  78. Holly fern Holly fern Also known as: Japanese Holly, Cyrtomium falcatum
  79. Hollyhocks Hollyhocks Also known as: Alcea
  80. HOMALOCLADIUM HOMALOCLADIUM Also known as: Ribbon Plant
  81. Homalocladium platycladum Homalocladium platycladum Also known as: Centopede Plant, Ribbon Bush
  82. Homalomena wallisii Homalomena wallisii Also known as: King of Hearts, Silver Thread
  83. Honey Bells Honey Bells Also known as: Hermannia verticillata
  84. Honey Bush Honey Bush Also known as: Melianthus major
  85. Honey Dew Honey Dew Also known as: Melons, Cucumis Melo
  86. Honey Palm Honey Palm Also known as: Chilean Wine Palm, Coquito, Jubaea chilensis
  87. Honey Plant Honey Plant Also known as: Bee Herb, Dropsy Plant, Lemon Balm, Sweet Balm, Sweet Mary, Melissa officinalis
  88. Honeysuckle Honeysuckle Also known as: Woodbine, Lonicera
  89. Honohono Honohono Also known as: Dendrobium anosmum
  90. Honolulu Queen Honolulu Queen Also known as: Queen of the night, Hylocereus undatus
  91. Hook-spine Water Clover Hook-spine Water Clover Also known as: Marsilea uncinata
  92. Hop Hop Also known as: Humulus lupulus
  93. Hop Bush Hop Bush Also known as: Dodonaea viscosa 'Purpurea'
  94. Horn of Plenty Horn of Plenty Also known as: Downy Thorn Apple, Datura metel
  95. Horn of Plenty Horn of Plenty Also known as: Thorn Apple, DATURA
  96. Horseradish Horseradish Also known as: Sting Nose, Armoracia rusticana
  97. Hot Water Plant Hot Water Plant Also known as: Achimenes 'Glory'
  98. Hottentot Fig Hottentot Fig Also known as: Kaffir Fig, Carpobrotus edulis
  99. House Leek House Leek Also known as: SEMPERVIVUM
  100. House Lime House Lime Also known as: Sparmannia africana
  101. Howea belmoreana Howea belmoreana Also known as: Curly Palm, Sentry Palm
  102. Howea forsteriana Howea forsteriana Also known as: Kentia Palm, Paradise Palm, Thatch Leaf Palm
  103. Hoya Hoya Also known as: Wax Plant
  104. Hoya bella Hoya bella Also known as: Miniature Wax Plant
  105. Hoya carnosa Hoya carnosa 'Little Leaf' Also known as: Wax Plant
  106. HUMATA HUMATA Also known as: Bear's Foot Ferns
  107. Humata tyermannii Humata tyermannii Also known as: Bear's Foot Fern, White Wabbit's Foot Fern
  108. Hunter Hunter's Horn Also known as: Pitcher Plant, SARRACENIA
  109. Hunter Hunter's Robe Also known as: Devils Ivy, Money Plant, Pothos, EPIPREMNUM
  110. Hunter Hunter's Robe Also known as: Devils Ivy, Golden Pothos, Money Plant, Epipremnum aureum
  111. Hyacinth Hyacinth Also known as: Hyacinthus orientalis hybrids
  112. Hyacinth Hyacinth Also known as: hyacinthus
  113. Hyacinth Orchid Hyacinth Orchid Also known as: Bletilla striata
  114. HYMENOCALLIS HYMENOCALLIS Also known as: Spider Lily
  115. Hymenocallis narcissiflora Also known as: Peruvian Daffodil, Spider Flower
  116. Hyophorbe lagenicaulis Hyophorbe lagenicaulis Also known as: Bottle Palm
  117. Hyophorbe verschaffeltii Hyophorbe verschaffeltii Also known as: Spindle Palm
  118. Hypericum Perforatum Hypericum Perforatum Also known as: St. John's Wort
  119. HYPOCYRTA (name has changed see NEMATANTHUS) HYPOCYRTA (name has changed see NEMATANTHUS) Also known as: Kiss Me Plant
  120. HYPOESTES HYPOESTES Also known as: Baby's Tears
  121. Hypoestes phyllostachya Also known as: Freckle Face, Measles Plant, Polka Dot Plant
  122. Hypoestes phyllostachya Hypoestes phyllostachya Also known as: Polka Dot Plant
  123. Hyssop Hyssop Also known as: Hyssopus officinalis