Ground Cover Potentilla
Guadalupe Palm or Fan Palm
Gulf Stream Heavenly Bamboo
Gypsum Century Plant
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
Hercules Aloe Tree
Hetz Arborvitae