Plants A-Z

Rhamnus crocea

Redberry

Native to Coast Ranges fromNorthern California into Baja California.To 2–3 ft. high, 3–6 ft.wide, with...

Rhamnus frangula

Alder Buckthorn

Native to Europe, western Asia, north Africa. Grows 10–12 ft. (possibly 18 ft.) tall and wide. O...

Rhamnus ilicifolia

Hollyleaf Redberry

Native to CoastRanges and Sierra Nevada foothills,mountains of SouthernCalifornia, Arizona, Baja Calif...

Rhaphiolepis indica

Native to China. Grows 4 to 5 ft. high, 5 to 6 ft. wide, with 1/2 to 3-in.-long, pointed leaves and 1/...

Rhapidophyllum hystrix

Native to the Southeastern United States coastal plains. Shrubby and slow growing, to an eventual 6 to...

Rhapis excelsa

From China, this palm grows 5 to 12 ft. tall and wide. One of the finest houseplants. Withstands negle...

Rheum palmatum

Ornamental rhubarb

From China, Tibet. To 6–8 ft. tall, 6 ft. wide. Nearly round, 2–3-ft.-wide leaves are deep...

Rhodanthemum hosmariense

Moroccan Daisy

This native of the Atlas Mountainshas been included in Chrysanthemum,Leucanthemum,an...

Rhododendron (Azalea hybrid - Belgian Indica)

Belgian Indica Azaleas

These hybrids were originally developed for greenhouse forcing. Where winter lows don’t dip belo...

Rhododendron (Azalea hybrid - Gable)

Gable Azalea

Bred to produce azaleas of the Kurume type that take 0°F/°18°C temperatures. In colder z...

Rhododendron (Azalea hybrid - Girard)

Girard Azalea

Descended from Gable hybrids, these handsome-foliaged plants are bred for extra cold tolerance; they c...

Rhododendron (Azalea hybrid - Glenn Dale)

Glenn Dale Azaleas

Developed primarily for hardiness (these can take 0°F/°18°C), these do drop some leaves ...