Hydrangea serrata 'Preziosa'

Hydrangea serrata 'Rosabillo'

Hydrangea serrata 'Rosalba'

Hydrangea serrata 'Shichidanka'

Hydrangea serrata 'Shinonome'

Hydrangea serrata 'Shirofuji'

Hydrangea serrata 'Shojo'

Hydrangea serrata 'SMNMAKTSR'

Hydrangea serrata 'Tiara'

Hydrangea serrata 'Wilson 7820'

Hydrangea serrata 'Woodlander'

Hydrangea serrata var. acuminata 'Annie's Blue'

Hydrangea sikokiana

Hydrangea xanthoneura

Hydrastis canadensis

Hydrocotyle umbellata

Hydrophyllum virginianum

Hylocereus undatus

Hylomecon japonica

Hylotelephium 'Herbstfreude'

Hylotelephium 'Lemonjade'

Hylotelephium 'Popstar'

Hylotelephium 'Rosy Glow'

Hylotelephium 'Sunset Cloud'

Hylotelephium 'Vera Jameson'