X Heucherella 'Cinnamon Bear' X Heucherella 'Dayglow Pink'
X Heucherella 'Kimono' X Heucherella 'Silver Streak'
X Heucherella 'Viking Ship' X Heucherella alba 'Bridget Bloom'
X Heucherella alba 'Pink Frost' X Heucherella alba 'Rosalie'
X Heucherella tiarelloides 'Crimson Clouds' Hexastylis virginica
Hibanobambusa tranquillans Hibiscus 'Bou de Feu'
Hibiscus 'Coral Reef' Hibiscus 'Darby'
Hibiscus 'Fireball' Hibiscus 'Kopper King'
Hibiscus 'Lohengrin' Hibiscus 'Luau Peach Mai Tai'
Hibiscus 'Old Yella' Hibiscus 'Rose Satin'
Hibiscus 'Sweet Caroline' Hibiscus 'Tosca'
Hibiscus 'Turn of the Century' Hibiscus 'White Magic'
Hibiscus acetosella 'Coppertone (Red Shield)' Hibiscus acetosella 'Haight Ashbury'
Hibiscus acetosella 'Jungle Red' Hibiscus coccineus
Hibiscus moscheutos Hibiscus moscheutos 'Anne Arundel'
Hibiscus moscheutos 'Blue River II' Hibiscus moscheutos 'Disco'
Hibiscus moscheutos 'Disco Belle Mix' Hibiscus moscheutos 'Disco Belle Pink'
Hibiscus moscheutos 'Disco Belle Red' Hibiscus moscheutos 'Disco Belle White'
Hibiscus moscheutos 'Fantasia' Hibiscus moscheutos 'Fireball'
Hibiscus moscheutos 'Lady Baltimore' Hibiscus moscheutos 'Lord Baltimore'
Hibiscus moscheutos 'Luna Pink' Hibiscus moscheutos 'Luna Red'
Hibiscus moscheutos 'Plum Crazy' Hibiscus moscheutos 'Southern Belle'
Hibiscus moscheutos ssp. palustris Hieracium lanatum
Hieracium maculatum 'Leopard' Hippeastrum 'Ruby Meyer'
Hippeastrum 'Safari' Hippeastrum 'Vera'
Hippeastrum x hybridum Hippeastrum x hybridum 'Masai'
Hippeastrum x johnsonii Hippeastrum papilio
Hippuris vulgaris Hohenbergia stellata
Holcus mollis 'Albo-variegatus' Homalomena sulcata
Homeria collina Homeria flaccida
Hoodia currori Hoodia gordonii
Hordeum jubatum Horminum pyrenaicum 'Pink Sunday'