Farfugium 'Shishi Botan' has extra krinkled gray-green undulating leaves that look like electrocuted parsley.
Farfugium 'Gigantea' has giant, thick and glossy leaves forming a four foot tall by four foot wide foliar presence in the shade to part shade garden.
Farfugium 'Wavy Gravy' has distinctively crinkled, grey-green leaves for striking texture in the shade garden.
Faucaria tuberculosa is known as pebbled tiger jaws with extra projections across the leaf surface joining the serrated edges.
Fenestraria aurantiaca 'Baby Toes' has windowed leaf tips and impressive displays of bright yellow, daisy-like flowers.
Forsythia intermedia 'Show Off' is an early spring flowering deciduous shrub with masses of fragrant yellow flowers.
Fremontodendron 'California Glory' is long-blooming with large yellow flowers and fuzzy evergreen leaves.
Fritillaria aurea 'Golden Flag' is a short species from Turkey with large golden yellow bells lightly speckled with red.
Fritillaria davisii has unusual nodding flowers in burgundy-brown and yellowish green.
Fritillaria imperialis 'Lutea Maxima' has lush green foliage and bright lemon yellow flowers.
The nodding yellow flowers of Fritillaria pallidiflora are some of the last of the genus to bloom.
Fritillaria thunbergii is a rare species with linear, bluish green leaves each with a curling tendril and pendulous, pale yellow flowers.