Retama monosperma ( Retama )

Arching, deciduous shrub with gray stems and green linear leaves which fall early. In spring, pea-like, fragrant white to yellow flowers bloom. Grown for its arching habit and fragrant yellow or white flowers. Best in warm climates in a sheltered […]

Reseda odorata ( Common Mignonette )

Erect and spreading annual with round 3-lobed leaves. Loose, raceme-like, tiny flowers from yellow-green or white, sometimes red-green bloom from summer to early fall. Grown for its fragrant white flowers. Good cut and dried for long lasting fragrance. Deadhead to […]

Reseda alba ( Mignonette )

Less known than its cousin Reseda odorata, this fragrant mignonette deserves greater attention as it is much more spectacular. Long thick spears of milky white flowers accompanied by grey green foliage. Place in beds with old roses and delphiniums for […]

Reinwardtia indicia ( Golden Girl Flax Shrub )

A well-branched, low-growing evergreen shrub. Distinguished by its showy yellow flowers in summer. Often used in containers as portable color. Spider mites may be a problem under glass. Prefers fertile, moist but well-drained soil in full sun.

Reineckea carnea ( Reineckea )

Evergreen, rhizomatous perennial that bears spikes of light to dark pink flowers in late spring. In warm summer areas, red berries follow in fall. Susceptible to damage from slugs and snails. Prefers moist but well-drained soil in partial shade. Leaves […]

Rehmannia glutinosa ( Chinese Foxglove )

Basal-leaved, rosette-forming light green perennial that bears pendent tubular flowers in reddish brown with dark purple veins. Blooms mid-spring to summer. Stems and are sticky. Grown for large flowers that resemble those of a foxglove. Susceptible to slug and snail […]

Rehmannia elata ( Chinese Foxglove )

Basal-leaved, light green perennial that bears pendent tubular flowers in bright pink. Reaches up to 5 feet tall in right conditions. Does best in sheltered site with full sun. Prefers well-drained, moderately fertile, soil in a sheltered site in full […]

Rehderodendron macrocarpum ( Rehderodendron )

Upright, small deciduous tree that reaches 30 feet tall and about 22 feet wide. Shiny, dark green, elliptic leaves emerge in late spring. Creamy white flowers are followed by green fruit that turns red. Ideal for woodland garden. This is […]

Rechsteineria leucotricha ( Queen Of The Abyss )

Erect, woolly, tuberous perennial ideal for a woodland garden or raised bed. Leaves are oval and covered with white hairs. Short-lived, nodding, tubular flowers in pinks bloom in spring. Grow in a greenhouse or as a houseplant where not hardy. […]