The database

Drought-tolerant plants

Low- and very-low-water plants for dry gardens, Mediterranean climates, and water-wise design.

2,235 plants

Royal Burgundy Barberry (Berberis Thunbergii 'Royal Burgundy') — The Royal Burgundy Barberry, Berberis thunbergii 'Royal Burgundy', is a vibrant, compact

Royal Burgundy Barberry

Berberis Thunbergii 'Royal Burgundy'

Full · Zones 4–10

Royal Cape Cape Plumbago (Plumbago Auriculata 'Royal Cape') — The Royal Cape Plumbago presents vibrant deep blue flowers on a shrub reaching up to 6 feet tall

Royal Cape Cape Plumbago

Plumbago Auriculata 'Royal Cape'

Full · Zones 9–10

Royal Grevillea (Grevillea Victoriae) — Ideal for attracting nectar-feeding birds

Royal Grevillea

Grevillea Victoriae

Full · Zones 9–11

Royal Palm (Roystonea Regia) — The Royal Palm (Roystonea regia) exudes regality with its smooth

Royal Palm

Roystonea Regia

Full · Zones 10–11

Royal Purple Sage (Salvia Muelleri) — With a mature size of about 3-4 feet tall and wide

Royal Purple Sage

Salvia Muelleri

Full · Zones 8–10

Royal Purple Smoketree (Cotinus Coggygria 'Royal Purple') — maroon-purple leaves that deepen to near-black in sun

Royal Purple Smoketree

Cotinus Coggygria 'Royal Purple'

Full · Zones 10–10

Rubber Rabbitbrush (Chrysothamnus Nauseosus) — Rubber Rabbitbrush (Chrysothamnus nauseosus) is a robust perennial shrub, standing 3-5 ft tall

Rubber Rabbitbrush

Chrysothamnus Nauseosus

Full · Zones 6–9

Ruby Giant Coneflower (Echinacea 'Ruby Giant') — ruby-pink petals surrounding a robust

Ruby Giant Coneflower

Echinacea 'Ruby Giant'

Full · Zones 3–9

Ruby Glow Manuka Tea Tree (Leptospermum Scoparium 'Ruby Glow') — enchants with deep burgundy foliage and prolific

Ruby Glow Manuka Tea Tree

Leptospermum Scoparium 'Ruby Glow'

Full · Zones 9–10

Ruby Glow Sedum (Sedum 'Ruby Glow') — Sedum 'Ruby Glow', a vibrant perennial, showcases fleshy leaves and stems with a deep, ruby-red hue

Ruby Glow Sedum

Sedum 'Ruby Glow'

Full · Zones 4–9

Ruby Necklace (Othonna Capensis) — Othonna capensis 'Little Pickles' is a charming succulent featuring slender

Ruby Necklace

Othonna Capensis

Full · Zones 8–10

Ruby Slippers (Echeveria Harmsii 'Ruby Slippers') — Echeveria harmsii 'Ruby Slippers' is a succulent boasting plump

Ruby Slippers

Echeveria Harmsii 'Ruby Slippers'

Full · Zones 9–10

Ruby Star Coneflower (Echinacea purpurea 'Ruby Star') — This hardy variety thrives in full sun and establishes well in zones 3-9

Ruby Star Coneflower

Echinacea purpurea 'Ruby Star'

Full · Zones 3–9

Ruffles Echeveria (Echeveria 'Ruffles') — blue-green leaves with a waxy sheen and pinkish-red edges

Ruffles Echeveria

Echeveria 'Ruffles'

Full · Zones 9–10

Running Gum (Eucalyptus grandis) — Eucalyptus grandis, commonly known as the Running Gum, is a robust evergreen native to eastern Australia

Running Gum

Eucalyptus grandis

Full · Zones 9–11

Russian Olive (Elaeagnus angustifolia) — deciduous shrub or small tree

Russian Olive

Elaeagnus angustifolia

Full · Zones 3–7

Russian Pea Shrub (Caragana frutex) — The Russian Pea Shrub, Caragana frutex, is a hardy deciduous legume, maturing to 12-15 ft

Russian Pea Shrub

Caragana frutex

Full · Zones 2–7

Russian Sage (Perovskia atriplicifolia) — This aromatic herb thrives in full sun and well-drained soil, tolerating drought and poor soil conditions

Russian Sage

Perovskia atriplicifolia

Full · Zones 2–11

Sacahuista (Nolina microcarpa) — Sacahuista (Nolina microcarpa) is a robust, drought-tolerant perennial, thriving in zones 7-10

Sacahuista

Nolina microcarpa

Full · Zones 5–11

Sacred Datura (Datura wrightii) — trumpet-shaped white to lavender flowers

Sacred Datura

Datura wrightii

Full · Zones 5–9

Safari Conebush (Leucadendron 'Safari Sunset') — a striking evergreen shrub

Safari Conebush

Leucadendron 'Safari Sunset'

Full · Zones 9–11

Safari Goldstrike Conebush (Leucadendron 'Safari Goldstrike') — reaching up to 4-6 feet in height and 3-5 feet in width

Safari Goldstrike Conebush

Leucadendron 'Safari Goldstrike'

Full · Zones 9–10

Safari Yellow Marigold (Tagetes Patula 'Safari Yellow') — The Safari Yellow Marigold (Tagetes patula 'Safari Yellow') is a vibrant annual blooming with bold

Safari Yellow Marigold

Tagetes Patula 'Safari Yellow'

Full · Zones 3–10

Saffron Buckwheat (Eriogonum crocatum) — Eriogonum crocatum, or Saffron Buckwheat, is a drought-tolerant perennial endemic to Southern California

Saffron Buckwheat

Eriogonum crocatum

Full · Zones 9–9