Grape, Roger's Red Wild Grape
Grape, Wild California
Green Carpet, Rupture Wort
Hackberry, Common
Hackberry, Netleaf
Hardy Gloxinia
Hawthorn, Carriere or Lavalle
Hawthorn, Cockspur
Hawthorn, English 'Paul's Scarlet'
Hawthorn, English 'White'
Hawthorn, Washington Thorn
Hazel, Fragrant Winter
Hazel,Harry Lauder's Walking Stick,
Hazelnut or Filbert, Turkish
Heavenly Bamboo, Dwarf Compact
Heavenly Bamboo, harbour Dwarf
Heliotrope Black Beauty
Hellebore, Bear's-Foot
Hellebore, Christmas Rose