Halimiocistus
Hall's Japanese Honeysuckle
Hallmark Catmint
Hawaiian Elf Schefflera
Hawaiian Heather, False Heather
Heart-Leaf Flame Pea
Heartleaf Bergenia
Heather Blush Bearded Iris
Hebe or Veronica 'Patty's Purple'
Helene Strybing Manuka Tea Tree
Heliotrope
Heliotrope Black Beauty
Hemstiched Bearded Iris
Hen and Chicks
Hetz Arborvitae
Hidcote Lavender
Holly Oak
Hollyhock
Hollyleaf or Islay Cherry
Hollywood Twisted Juniper