(Plant width:undetermined) Cormous perennial with small, linear, basal leaves and dainty spring blooms. Upright, single-stemmed, funnel-shaped, lilac to purple flowers bloom in spring. The flowers often open only at midday, and close in the evenings. Nice in sunny rock garden […]
Romulea bulbocodioides of gardens ( Romulea )
(Plant width:undetermined) Cormous perennial with basal, linear green leaves. Solitary, funnel-shaped white, yellow-green, or blue flowers with yellow centers bloom in spring. Flowers often open only at midday, and close in the evening. Ideal for sunny rock garden or container. […]
Romneya coulteri ( Tree Poppy )
(Plant width:indefinite) Subshrub that is upright and deciduous. Produces round, glaucous, grayish green leaves up to 5 inches long with 3-5 lobes. Single white fragrant flowers with yellow stamens bloom throughout the summer. Sometimes difficult to establish. Keep sheltered from […]
Romanzoffia suksdorfii ( Romanzoffia sitchensis )
Low-growing, tufted perennial with kidney-shaped, dark green leaves. Funnel-shaped white flowers with yellow bases in raceme-like cymes bloom in early summer. Ideal for woodland or rock garden.
Romanzoffia sitchensis ( Romanzoffia )
Low-growing, tufted perennial with kidney-shaped, dark green leaves. Funnel-shaped white flowers with yellow bases in raceme-like cymes bloom in early summer. Ideal for woodland or rock garden.
Rohdea japonica ( Lily of China )
Rhizomatous perennial with lance-shaped, dark green leaves that are thick and leathery to the touch. Spikes of bell-shaped, greenish-white flowers bloom in early spring followed by red berries. Grown for its dark green foliage and bell-shaped flowers. Thrives in damp, […]
Rodriguezia venusta ( Rodriguezia Orchid )
An epiphytic orchid with leathery, 6 inch long leaves and compressed pseudobulbs. In autumn, pendent racems produce numerous, small, fragrant white flowers. Grow epiphytically on bark, or in containers of epiphytic orchid potting mix (with fine-grade bark). Requires full light, […]
Rodgersia ( Rodgersia )
Clumpforming perennials with long-stalked, green leaves and white or pink, star-shaped, petalless flowers, followed by dark red or brown fruit. Grow near water water or moist border, in moist, humus rich soil, in full sun or partial shade. Slugs can […]
Robinia slavinii ( Slavinia Locust )
This is a rounded, open deciduous shrub or small tree with spiny shoots. Grows to 30 feet tall and wide. Dark green leaves are pinnate to 8 inches in length, with up to 19 ovate to oblong leaflets. Violet-pink to […]
Robinia slavinii ( ‘Casque Rouge’ Locust )
This is a rounded, open deciduous shrub or small tree with spiny shoots. Grows to 30 feet tall and wide, new growth is pinkish-red. Dark green leaves are pinnate to 8 inches in length, with up to 19 ovate to […]