Flowers are the reproductive structures of flowering plants. There are countless flowers all over the world, from cultivated gardens to remote wilderness. If you’re trying to remember the name of a flower that starts with H, this list may remind you. Or, if you simply want to look at some of the many gorgeous flowers of the world, this list may inspire you.
This guide features families, genera, common names, species, and cultivars of flowers that start with H. For clarity, the word genera is the plural form of genus. Each section begins with the name of a family or genus. The family or genus name is often also the common name of flowers within it. Then, each family or genus breaks down into species or cultivars.
1. Hydrangea

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Hydrangea is a genus containing over 75 species. These flowering plants are native to the Americas and Asia. Most species of Hydrangea are shrubs, but there are also tree and vine species. Hydrangeas are popular ornamental plants. Incredibly, Hydrangea flowers change color based on the soil pH. In acidic soils, the flowers are bluer, and in alkaline soils, the flowers are pinker. There are over 600 cultivars of Hydrangea. If you’re looking for flowers that start with H, Hydrangea may be the answer. Thirteen gorgeous cultivars appear below.
2. Hydrangea (‘Incrediball’)

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3. Hydrangea (‘Nikko Blue’)

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4. Hydrangea (‘Limelight’)

©Thijs de Graaf/Shutterstock.com
5. Hydrangea (‘Cityline Mars’)

©Catchiangmai/Shutterstock.com
6. Hydrangea (‘Endless Summer’)

©Lux pictura/Shutterstock.com
7. Hydrangea (‘Climbing’)

©shadesofquartz/Shutterstock.com
8. Hydrangea (‘Vanille Fraise’)

©S.O.E/Shutterstock.com
9. Hydrangea (‘Bloomstruck Bigleaf’)

©Nancy J. Ondra/Shutterstock.com
10. Hydrangea (‘Blue Deckle’)

©Light and Vision/Shutterstock.com
11. Hydrangea (‘Silver Dollar’)

©Zoya Pustovoyt/Shutterstock.com
12. Hydrangea (‘Madame Emile’)

©Peter Turner Photography/Shutterstock.com
13. Hydrangea (‘Miss Saori’)

©Debu55y/Shutterstock.com
14. Hydrangea (‘Unique’)

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15. Hibiscus

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Hibiscus is a genus with hundreds of species. This genus is in the mallow family, Malvaceae. Hibiscus plants are native to tropical, subtropical, and temperate areas around the world. The flowers of Hibiscus plants are large, bright, and eye-catching. There are herb, shrub, and tree species of Hibiscus. If you’re looking for flowers that start with H, Hibiscus may be the answer. Eight stunning Hibiscus cultivars appear below.
16. Hibiscus (‘Fifth Dimension’)

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17. Hibiscus (‘Mystic Pink’)

©Ramya K C/Shutterstock.com
18. Hibiscus (‘Silver Memories’)

©Skyprayer2005/Shutterstock.com
19. Hibiscus (‘Blue Bird’)

©matunka/Shutterstock.com
20. Hibiscus (‘Lord Baltimore’)

©Nikolay Kurzenko/Shutterstock.com
21. Hibiscus (‘Oiseau Blue’)

©matunka/Shutterstock.com
22. Hibiscus (‘Red Heart’)

©Fabrizio Guarisco/Shutterstock.com
23. Hibiscus (‘Hula Girl’)

©Gurcharan Singh/Shutterstock.com
24. Heathers and Heaths

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Heather is a common name that refers to plants from three different genera in the family Ericaceae. However, not all of the flowers this common name refers to are actually heathers. Calluna, Daboecia, and Erica are the three genera often called heather. Callunas are true heathers. However, most flowers in the Daboecia and Erica genera are commonly known as heathers but are actually heaths. If you’re looking for flowers that start with H, heathers and heaths may be the answer. Below are 14 beautiful species of heather and heath.
25. Common Heather (Calluna vulgaris)

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26. Irish Heath (Daboecia cantabrica)

©jessicahyde/Shutterstock.com
27. Tree Heath (Erica arborica)

©Furiarossa/Shutterstock.com
28. Crossed-Leaved Heath (Erica tetralix)

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29. Winter Heath (Erica carnea)

©nnattalli/Shutterstock.com
30. Black-Eyed Heath (Erica canaliculata)

©zzz555zzz/Shutterstock.com
31. Rice Heath (Erica cutea)

©Ian Richard Campbell/Shutterstock.com
32. Dorset Heath (Erica ciliaris)

©Mark Heighes/Shutterstock.com
33. Bell Heather (Erica cinerea)

©Edita Medeina/Shutterstock.com
34. Golden Heath (Erica grandiflora)

©Madelein Wolfaardt/Shutterstock.com
35. Spanish Heath (Erica lusitanica)

©Brookgardener/Shutterstock.com
36. Nine-Pin Heath (Erica mammosa)

©Lisbeth Young/Shutterstock.com
37. Dwarf Heath (Erica nana)

©Traveller70/Shutterstock.com
38. Green Heather (Erica scoparia)

©munichawla/Shutterstock.com
39. Hyacinth

©Kateryna Mashkevych/Shutterstock.com
Hyacinth is the common name of plants in the Hyacinthus and Muscari genera. Hyacinthus is a genus of perennial flowering plants. A perennial plant is one that lives for more than two years. Hyacinthus plants are native to the Mediterranean Region. Muscari is a genus native to Eurasia, and plants in this genus are commonly called grape hyacinths. Both the Hyacinthus and Muscari genera are in the asparagus family, Asperagaceae. If you’re looking for flowers that start with H, hyacinths may be the answer. Below are six stunning cultivars of hyacinth from the Hyacinthus and Muscari genera.
40. Hyacinth (‘Blue Star’)

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41. Hyacinth (‘Gipsy Queen’)

©prambuwesas/Shutterstock.com
42. Hyacinth (‘White Magic’)

©Iva Vagnerova/Shutterstock.com
43. Hyacinth (‘Mount Hood’)

©Kristine Rad/Shutterstock.com
44. Hyacinth (‘Marie’)

©Evgenia1969/Shutterstock.com
45. Hyacinth (‘China Pink’)

©Kazakov Maksim/Shutterstock.com
46. Japanese Honeysuckle (Lonerica japonica)

©krolya25/Shutterstock.com
47. Trumpet Honeysuckle (Lonicera sempervirens)

©shepherdsatellite/Shutterstock.com
48. Hollyhock

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Hollyhock is the common name for flowering plants in the Alcea genus. The Alcea genus is in the mallow family, Malvaceae. Hollyhocks are related to hibiscus, which is also in the mallow family. There are over 80 species of hollyhock. These plants are native to Asia and Europe. Hollyhocks are popular ornamental plants. Interestingly, the tall woody stems can be used as firewood. If you’re looking for flowers that start with H, hollyhocks may be the answer. Below are five beautiful cultivars of hollyhock.
49. Hollyhock (‘Halo Apricot’)

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50. Hollyhock (‘Halo Cream’)

©Alex Manders/Shutterstock.com
51. Hollyhock (‘Halo Pink’)

©Nataliia Reshetnikova/Shutterstock.com
52. Hollyhock (‘Peaches ‘N Dreams’)

©photowind/Shutterstock.com
53. Hollyhock (‘Nigra’)

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54. Hellebore

©iStock.com/Claudia Cooper
Hellebore is a common name for plants in the genus Helleborus. The Helleborus genus is in the buttercup family, Ranunculaceae. There are 22 species of hellebore. Although these plants are beautiful, they are also poisonous. All parts of hellebore plants are toxic to ingest, so caution is advised. Contact with the plants may also irritate the skin. If you’re looking for flowers that start with H, hellebore may be the answer. Below are six cultivars of hellebore:
55. Hellebore (‘Yellow Lady’)

©Jackie Tweddle/Shutterstock.com
56. Hellebore (‘Double Ellen White’)

©Nick Pecker/Shutterstock.com
57. Hellebore (‘Cinderella’)

©Jackie Tweddle/Shutterstock.com
58. Hellebore (‘Ivory Prince’)

©Lflorot/Shutterstock.com
59. Hellebore (‘Penny’s Pink’)

©Mike Russell/Shutterstock.com
60. Hellebore (‘Peppermint Ice’)

©Nancy J. Ondra/Shutterstock.com
61. Heliotrope

©iwciagr/Shutterstock.com
Heliotropium is a genus containing around 325 species. Species from the genus are found around the world. Some species of heliotropes are popular choices for gardens. Heliotropes are toxic to dogs and cats, so caution is advised. If you’re looking for flowers that start with H, heliotrope may be the answer. Below are two species of heliotrope.
62. Garden Heliotrope (Heliotropium arborescens)

©Nick Pecker/Shutterstock.com
63. Blue Heliotrope (Heliotropium amplexicaule)

©simona pavan/Shutterstock.com
64. Helenium

©iStock.com/sagarmanis
Helenium is a genus of flowering plants in the aster family, Asteraceae. Sneezeweed is the common name for plants in the Helenium genus. The name Helenium comes from Helen of Troy, the daughter of Zeus and Leda in Greek mythology. If you’re looking for flowers that start with H, Helenium may be the answer. Below are six gorgeous cultivars of Helenium.
65. Helenium (‘Butterpat’)

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66. Helenium (‘Gartensonne’)

©mistral9/Shutterstock.com
67. Helenium (‘Short ‘N’ Sassy’)

©Irenestev/Shutterstock.com
68. Helenium (‘Moerheim Beauty’)

©Wieland Teixeira/Shutterstock.com
69. Helenium (‘Sahin’s Early Flowerer’)

©Alex Manders/Shutterstock.com
70. Helenium (‘Wesergold’)

©Alex Manders/Shutterstock.com
71. Hosta

©iStock.com/Rvo233
Hosta is a genus of plants in the asparagus family, Asperagaceae. These plants are native to northeast Asia. There is some debate among taxonomists about how many species of Hosta exist, but it could be up to 45. Hosta is a popular plant for gardens, and it is shade-tolerant. If you’re looking for flowers that start with H, Hosta may be the answer. Below are three beautiful cultivars of Hosta.
72. Hosta (‘Frances Williams’)

©Summer 1810/Shutterstock.com
73. Hosta (‘Blue Umbrellas’)

©Kristine Rad/Shutterstock.com
74. Hosta (‘June’)

©Gardens by Design/Shutterstock.com
75. Hypericum

©M. Schuppich/Shutterstock.com
Hypericum is a large genus of flowering plants, with over 490 species. Plants in the genus are commonly called St. John’s wort. If you’re looking for flowers that start with H, Hypericum may be the answer.
All Flowers That Start With H
- Hydrangea
- Hydrangea (‘Incrediball’)
- Hydrangea (‘Nikko Blue’)
- Hydrangea (‘Limelight’)
- Hydrangea (‘Cityline Mars’)
- Hydrangea (‘Endless Summer’)
- Hydrangea (‘Climbing’)
- Hydrangea (‘Vanille Fraise’)
- Hydrangea (‘Bloomstruck Bigleaf’)
- Hydrangea (‘Blue Deckle’)
- Hydrangea (‘Silver Dollar’)
- Hydrangea (‘Madame Emile’)
- Hydrangea (‘Miss Saori’)
- Hydrangea (‘Unique’)
- Hibiscus
- Hibiscus (‘Fifth Dimension’)
- Hibiscus (‘Mystic Pink’)
- Hibiscus (‘Silver Memories’)
- Hibiscus (‘Blue Bird’)
- Hibiscus (‘Lord Baltimore’)
- Hibiscus (‘Oiseau Blue’)
- Hibiscus (‘Red Heart’)
- Hibiscus (‘Hula Girl’)
- Heathers and Heaths
- Common Heather (Calluna vulgaris)
- Irish Heath (Daboecia cantabrica)
- Tree Heath (Erica arborica)
- Crossed-Leaved Heath (Erica tetralix)
- Winter Heath (Erica carnea)
- Black-Eyed Heath (Erica canaliculata)
- Rice Heath (Erica lutea)
- Dorset Heath (Erica ciliaris)
- Bell Heather (Erica cinerea)
- Golden Heath (Erica grandiflora)
- Spanish Heath (Erica lusitanica)
- Nine-Pin Heath (Erica mammosa)
- Dwarf Heath (Erica nana)
- Green Heather (Erica scoparia)
- Hyacinth
- Hyacinth (‘Blue Star’)
- Hyacinth (‘Gipsy Queen’)
- Hyacinth (‘White Magic’)
- Hyacinth (‘Mount Hood’)
- Hyacinth (‘Marie’)
- Hyacinth (‘China Pink’)
- Japanese Honeysuckle (Lonerica japonica)
- Trumpet Honeysuckle (Lonicera sempervirens)
- Hollyhock
- Hollyhock (‘Halo Apricot’)
- Hollyhock (‘Halo Cream’)
- Hollyhock (‘Halo Pink’)
- Hollyhock (‘Peaches ‘N Dreams’)
- Hollyhock (‘Nigra’)
- Hellebore
- Hellebore (‘Yellow Lady’)
- Hellebore (‘Double Ellen White’)
- Hellebore (‘Cinderella’)
- Hellebore (‘Ivory Prince’)
- Hellebore (‘Penny’s Pink’)
- Hellebore (‘Peppermint Ice’)
- Heliotropes
- Garden Heliotrope (Heliotropium arborescens)
- Blue Heliotrope (Heliotropium amplexicaule)
- Helenium
- Helenium (‘Butterpat’)
- Helenium (‘Gartensonne’)
- Helenium (‘Short ‘N’ Sassy’)
- Helenium (‘Moerheim Beauty’)
- Helenium (‘Sahin’s Early Flowerer’)
- Helenium (‘Wesergold’)
- Hosta
- Hosta (‘Frances Williams’)
- Hosta (‘Blue Umbrellas’)
- Hosta (‘June’)
- Hypericum
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