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The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Royal Heritage Hellebore (Helleborus 'Royal Heritage') — Blossoms range in hues from white to deep purple, appearing in late winter to early spring

Perennial

Royal Heritage Hellebore

Helleborus 'Royal Heritage'

FullUSDA 4–9
Royal Standard Hosta (Hosta 'Royal Standard') — Thriving in partial to full shade

Ground cover

Royal Standard Hosta

Hosta 'Royal Standard'

HalfUSDA 2–9
Rozanne Cranesbill (Geranium 'Rozanne') — highlighted by dark maroon veining

Ground cover

Rozanne Cranesbill

Geranium 'Rozanne'

FullUSDA 2–10
Ruby Giant Coneflower (Echinacea 'Ruby Giant') — and resistant to drought once established

Perennial

Ruby Giant Coneflower

Echinacea 'Ruby Giant'

FullUSDA 3–9
Ruby Grass (Melinis Nerviglumis) — it produces airy plumes that rise above the foliage

Ground cover

Ruby Grass

Melinis Nerviglumis

FullUSDA 6–11
Ruby Star Coneflower (Echinacea purpurea 'Ruby Star') — This hardy variety thrives in full sun and establishes well in zones 3-9

Perennial

Ruby Star Coneflower

Echinacea purpurea 'Ruby Star'

FullUSDA 3–9
Rue Anemone (Anemonella Thalictroides) — Rue Anemone (Anemonella thalictroides) is a delicate, woodland perennial, thriving in partial to full shade

Perennial

Rue Anemone

Anemonella Thalictroides

FullUSDA 4–9
Russian Sage (Perovskia atriplicifolia) — perennial for full; enriching the biodiversity of their garden

Perennial

Russian Sage

Perovskia atriplicifolia

FullUSDA 2–11
Sagae Hosta (Hosta 'Sagae') — The Hosta 'Sagae' exhibits a stately presence in any garden design

Perennial

Sagae Hosta

Hosta 'Sagae'

HalfUSDA 3–9
Samobor Cranesbill (Geranium Phaeum 'Samobor) — Ideal for part to full shade

Perennial

Samobor Cranesbill

Geranium Phaeum 'Samobor

FullUSDA 4–9
Samurai Toad Lily (Tricyrtis Formosana 'Samurai) — orchid-like flowers with purple spots on a creamy white background

Perennial

Samurai Toad Lily

Tricyrtis Formosana 'Samurai

Deep ShadeUSDA 9–11
San Antonio Sage (Salvia 'Sierra De San Antonio') — This drought-tolerant plant matures to 2 feet in height and spreads up to 2 to 3 feet

Perennial

San Antonio Sage

Salvia 'Sierra De San Antonio'

FullUSDA 8–10
San Diego Sunflower (Bahiopsis Laciniata) — particularly in the arid climate zones of its native range.<br><br>Flowering mainly from April to October

Ground cover

San Diego Sunflower

Bahiopsis Laciniata

FullUSDA 9–10
Sandpaper Verbena (Verbena Rigida) — This sun-loving plant is drought-tolerant, requiring minimal care

Ground cover

Sandpaper Verbena

Verbena Rigida

FullUSDA 7–11
Santa Barbara Daisy, Mexican Daisy (Erigeron Karvinskianus) — and hanging baskets.<br><br>Regular deadheading can promote more abundant flowering, image 75

Ground cover

Santa Barbara Daisy, Mexican Daisy

Erigeron Karvinskianus

FullUSDA 9–10
Santa Fe Sunflower (Helianthus Maximilianii 'Santa Fe') — is a perennial noted for its robust

Perennial

Santa Fe Sunflower

Helianthus Maximilianii 'Santa Fe'

FullUSDA 3–8
Sarah Bernhardt Tree Peony (Paeonia 'Sarah Bernhardt') — Hardy in zones 3-8, it's an eye-catching focal point for any garden

Perennial

Sarah Bernhardt Tree Peony

Paeonia 'Sarah Bernhardt'

HalfUSDA 2–9
Saucy Seduction Yarrow (Achillea Millefolium 'Saucy Seduction') — This hardy plant reaches 18-24 inches in height and spreads up to 24 inches, thriving in full

Ground cover

Saucy Seduction Yarrow

Achillea Millefolium 'Saucy Seduction'

FullUSDA 4–8
Sawsepal Penstemon (Penstemon Glaber) — it attracts pollinators like bees and hummingbirds

Perennial

Sawsepal Penstemon

Penstemon Glaber

FullUSDA 3–8
Scabiosa (Scabiosa Caucasica) — and division every 3-4 years will maintain their vigor; they are not only deer-resistant but also attract a host of, image 92

Perennial

Scabiosa

Scabiosa Caucasica

FullUSDA 2–10
Scarlet Bettony, Scarlet Hedge-Nett (Stachys Coccinea) — is a vibrant perennial prized for its upright spikes of vivid red tubular flowers

Perennial

Scarlet Bettony, Scarlet Hedge-Nett

Stachys Coccinea

FullUSDA 6–9
Scarlet Bugler (Penstemon Barbatus) — the Scarlet Bugler thrives in USDA hardiness zones 4 through 9

Perennial

Scarlet Bugler

Penstemon Barbatus

FullUSDA 4–11
Scarlet-Bugler (Penstemon Centranthifolius) — It stands 2-4 feet tall and thrives in full sun with well-drained soils

Perennial

Scarlet-Bugler

Penstemon Centranthifolius

FullUSDA 5–10
Scarlet Gillia (Ipomopsis Aggregata) — ideal for adding vertical interest to any garden design; ideal for dry, well-drained soil and full sun, it blooms from

Perennial

Scarlet Gillia

Ipomopsis Aggregata

FullUSDA 3–5

Photographs are credited on each plant’s page.