| F |
| Fagopyrum sagittatum, Buckwheat |
| Fagus crenata, Japanese beech |
| Fagus engleriana, English beech |
| Fagus grandifolia, American beech |
| Fagus sylvatica 'Asplenifolia', Fern-leaved beech |
| Fagus sylvatica f. pendula, Weeping European beech |
| Fagus sylvatica, European beech |
| Falluiga paradoxa, Apache plume |
| Fatshedera lizei, Fatshedera |
| Fatshedera lizei, Fatshedera |
| Fatsia japonica, Japanese fatsia |
| Feijoa sellowiana, Guava; Pineapple guava |
| Festuca glauca (Festuca ovina var. glauca), Blue fescue |
| Festuca ovina var. glauca, Blue fescue |
| Ficus pumila, Creeping fig; Climbing fig |
|
Filipendula palmata, Meadowsweet |
| Firmiana simplex, Chinese parasol tree |
| Foeniculum vulgare, Fennel |
| Fontanesia fortunei, Fortune's fontanesia |
| Forsythia ouata, Early forsythia; Korean forsythia |
| Forsythia suspensa var. sieboldi, Weeping forsythia |
| Forsythia viridissima 'Bronxensis', Bronx forsythia |
| Forsythia viridissima var. koreana 'Kumson', Kumson forsythia |
| Forsythia viridissima, Greenstem forsythia |
| Forsythia x intermedia, Border forsythia |
| Fothergilla gardenii, Dwarf fothergilla |
| Fothergilla gardenii, Dwarf fothergilla |
| Fothergilla major, Large fothergilla |
| Fothergilla major, Large fothergilla |
| Fragaria 'Pink Panda', Pink Panda strawberry |
| Fragaria 'Red Ruby', Red Ruby strawberry |
| Fragaria ananassa, Strawberry |
| Fragaria virginiana, Wild strawberry |
| Franklinia alatamaha, Franklinia |
| Fraxinus americana, White ash |
| Fraxinus caroliniana, Carolina ash |
| Fraxinus pennsylvanica, Green ash |
| Fraxinus profunda = Fraxinus tomentosa, Pumpkin ash |
| Freesia, Freesias |
|
Fritillaria imperialis, Crown Imperials |
|
Fritillaria meleagris, Chequered lily; Guinea; Hen flower; Snakeshead lily |
| Fuchsia x hybrida, Fuchsia |