Heliotrope Black Beauty
Hellebore, Bear's-Foot
Hellebore, Christmas Rose
Hellebore, Corsican
Hellebore, Hybrid
Hellebore, Lenten Rose
Hemlock, Weeping or Sargent's
Hemlock, Western
Holly, Dwarf 'Berries Jubilee'
Holly, Dwarf Yaupon
Holly, Japanese Compact
Holly, Japanese Heller Minature
Holly, Japanese or Box-Leaved
Holly, San Jose
Holly, Wilson
Hollyhock
Hollyleaf or Islay Cherry
Honeysuckle, Box
Honeysuckle, Box 'Red Tip'