Floss Flower (spp.) Floss Flower 'Bavaria'
Floss Flower 'Blue Horizon' Floss Flower 'Hawaii White'
Floss Flower 'True Blue' 'Flower Power' Meadow Phlox
Flowering Currant 'Brocklebankii' Flowering Currant 'King Edward VII'
Flowering Dogwood (spp.) Flowering Dogwood 'Barton'
Flowering Dogwood 'Cherokee Daybreak' Flowering Dogwood 'Cherokee Princess'
Flowering Dogwood 'Cherokee Sunset™' Flowering Dogwood 'Cloud 9'
Flowering Dogwood 'First Lady' Flowering Dogwood 'Newport Dam'
Flowering Dogwood 'Plena' Flowering Dogwood 'Poinsett'
Flowering Dogwood 'Pygmaea' Flowering Dogwood 'Rainbow'
Flowering Dogwood 'Rosea' Flowering Dogwood 'Sweetwater Red'
Flowering Dogwood 'Weaver's White' Flowering Dogwood Weeping
Flowering Dogwood 'Welchii' Flowering Dogwood 'Wonderberry'
Flowering Fern (spp.) Flowering Moss (spp.)
Flowering Moss 'Apple Blossom' Flowering Moss 'Atropurpurea'
Flowering Moss 'Candy Stripes' Flowering Moss 'Cracker Jack'
Flowering Moss 'Crimson Beauty' Flowering Moss 'Cunningham'
Flowering Moss 'Dirigo Arbutus' Flowering Moss 'Emerald Blue'
Flowering Moss 'Emerald Pink' Flowering Moss 'Laurel Beth'
Flowering Moss 'Millstream Daphne' Flowering Moss 'Oakington Blue Eyes'
Flowering Moss 'Red Wings' Flowering Moss 'Scarlet Flame'
Flowering Moss 'Snowflake' Flowering Moss 'White Delight'
Flowering Onion (spp.) Flowering Onion 'Pink Feathers'
Flowering Onion 'Schnittlauch' Flowering Rush
Fly Berry 'Flying Saucers' Morning Glory: tricolor
'Flying Saucers ™' Tickseed Coreopsis Foal's Foot
Foamflower (spp.) Foamflower, Clumping (spp.)
Foamflower, Clumping 'Dark Eyes' Foamflower, Clumping 'Ink Blot'
Foamflower, Clumping 'Oakleaf' Foamflower, Clumping 'Pink Bouquet'
Foamflower, Clumping 'Winterglow' Foamflower, Heartleaf (spp.)
Foamflower, Heartleaf 'Dark Eyes' Foamflower, Heartleaf 'Ink Blot'
Foamflower, Heartleaf 'Oakleaf' Foamflower, Heartleaf 'Pink Bouquet'
Foamflower, Heartleaf 'Winterglow' Foothill Penstemon 'Margarita BOP'
Foothill Penstemon 'Platina White' Foothill Shooting Star
'Forest Pansy' Eastern Redbud 'Forever Blue' Prairie Gentian
Forget-Me-Not Forget-Me-Not, True (spp.)
Forsythia, Texas Fothergilla, Dwarf (spp.)
Fothergilla, Dwarf 'Blue Mist' Fothergilla, Large (spp.)
Fothergilla, Large 'Huntsman' Fothergilla, Large 'Morton'
Fountain Bush Four Leaf Sorrel
Four-leaved Pinyon Foxberry
Foxglove Penstemon (spp.) Foxglove Penstemon 'Husker Red'
Foxglove Vine (spp.) Foxglove Vine 'Crimson Trumpet'
Foxglove Vine 'Flava' Foxglove, Wild
Foxtail Agave (spp.) Foxtail Agave 'Nova'
Fox-Tail Barley 'Fragrans' Eastern Red Cedar
Fragrant Evening Primrose Fragrant Giant Hyssop 'Golden Jubilee'
Fragrant Sumac (spp.) Fragrant Sumac 'Green Globe'
Fragrant Sumac 'Gro-low' Fragrant Waterlily (spp.)