Formans Mallee Formosa Azalea
Formosa Lily Formosa Sweet Gum
Formosa Toad Lily 'Amethystina' Formosa Toad Lily 'Samurai'
Formosan Alder Formosan Juniper
'Formula Mix' Common Zinnia Forsythia 'Bronxensis'
Forsythia, Border (spp.) Forsythia, Border 'Golden Times'
Forsythia, Dwarf 'Dyeslius Vorfahling' Forsythia, Dwarf 'Goldilocks'
Forsythia, Early 'Robusta' Forsythia, Korean Greenstem 'Bandel'
Forsythia, Korean Greenstem 'Kumsun' Forsythia, Korean Greenstem 'Seoul Gold'
Forsythia, Korean Greenstem 'Suwan Gold' Forsythia, Pink
Forsythia, Texas Forsythia, Weeping
Forsythia, White Forsythia: intermediahybrid, Border (spp.)
Forsythia: intermediahybrid, Border 'Densiflora' Forsythia: intermediahybrid, Border 'Golden Times'
Forsythia: intermediahybrid, Border 'Goldleaf' Forsythia: intermediahybrid, Border 'Lynwood Gold'
Forsythia: intermediahybrid, Border 'New Hampshire Gold' Forsythia: intermediahybrid, Border 'Show Off ® Sugar Baby'
Forsythia: intermediahybrid, Border 'Show Off®' Forsythia: intermediahybrid, Border 'Show Off® Starlet'
Forsythia: intermediahybrid, Border 'Spectabilis' Forsythia: intermediahybrid, Border 'Spring'
Forsythia: intermediahybrid, Border 'Spring Glory' Fortnight Lily
'Fortune' Butterflybush Fortune's Mahonia
Fortune's Plum Yew Fortune's Sweet Olive
'Fortunia Rosy Wave™' Garden Petunia 'Fortunia Salmon' Garden Petunia
'Fortunia Trailing Lights' Garden Petunia 'Fortunia Trailing Pink' Garden Petunia
'Foster #4' Topal Holly Fosteriana Tulip 'Zombie'
Foster's Holly Fothergilla, Dwarf (spp.)
Fothergilla, Dwarf 'Blue Mist' Fothergilla, Large (spp.)
Fothergilla, Large 'Huntsman' Fothergilla, Large 'Morton'
'Foundling' Daffodil Fountain Bamboo
Fountain Bush Fountain Dracaena (spp.)
Fountain Dracaena 'Red Star' Fountain Grass 'Red Buttons'
Fountain Grass (spp.) Fountain Grass 'Hamelin'
Fountain Grass 'Little Bunny' Fountain Grass 'Little Honey'
Fountain Grass 'Moudry' Fountain Grass 'Orientale'
Fountain Grass 'Purpurascens' Fountain Grass 'Weserbergland'
Fountain Grass: setaceum (spp.) Fountain Grass: setaceum 'Giant Purple'
Fountain Grass: setaceum 'Graceful Grasses® Fireworks' Fountain Grass: setaceum 'Graceful Grasses® Rubrum'
Fountain Grass: setaceum 'Purpureum' Fountain Grass: setaceum 'Rubrum'
Four Leaf Sorrel Four O'Clock (spp.)
Four-leaved Pinyon 'Fourth of July™' Rose
'Foveolata' Banana Shrub Fox Nuts
Fox Red Curley Sedge Foxberry
Foxglove Penstemon (spp.) Foxglove Penstemon 'Husker Red'
Foxglove Vine (spp.) Foxglove Vine 'Crimson Trumpet'
Foxglove Vine 'Flava' Foxglove, Chinese
Foxglove, Common (spp.) Foxglove, Common 'Excelsior Hybrids'
Foxglove, Common 'Foxy' Foxglove, Common 'Giant Shirley'
Foxglove, Common 'Pam's Choice' Foxglove, Large Yellow
Foxglove, Rusty 'Yellow Herald' Foxglove, Straw
Foxglove, Strawberry Foxglove, Wild
Foxglove, Willow Foxglove: obscura
Fox's Brush (spp.) Fox's Brush 'Coccineus'