Flannel Bush
Flaxleaf Paperbark
Floribunda Crabapple
Flowering Maple
Flowering Plum
Flying Swallow Tree Peony
Foothill Penstemon
Foothill Pine
Forest Hills Pyracantha
Forsythia
Fountain Grass
Four O'clock
Fox Tail Agave, Velvet Agave
Foxglove
Fradesi Escallonia
Freesia
Freeway Daisy
Fremont or Western Cottonwood