Ground Morning Glory, Morocco Glory
Guardsman Flax
Hairy Canary Flower
Hairy Manzanita
Hall's Japanese Honeysuckle
Hardy Gloxinia
Harry Lauder's Walking Stick, Twist
Heartleaf Bergenia, Winter Bergenia
Heavenly Bamboo Dwarf Compact
Heavenly Bamboo harbour Dwarf
Hedge Lavender
Heidi Yarrow
Helene von Stein Big Lamb's Ear
Heliotrope Black Beauty
Heller Minature Japanese Holly
Hemstiched Bearded Iris
Hetz Arborvitae
Hiba Cedar, Deerhorn Cedar
Hidcote English Lavender