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Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Stinking Hellebore (Helleborus Foetidus) — Blooms appear in late winter to early spring; or used to underplant larger shrubs, image 66

Perennial

Stinking Hellebore

Helleborus Foetidus

HalfUSDA 5–9
Stinking Iris (Iris Foetidissima) — earns its name from the unpleasant scent released when its leaves are crushed

Perennial

Stinking Iris

Iris Foetidissima

FullUSDA 6–9
Stonecrop (Sedum Brevifolium) — Stonecrop 'Sedum brevifolium' is a hardy succulent valued for its drought resistance and ease of care

Ground cover

Stonecrop

Sedum Brevifolium

FullUSDA 5–10
Stoplight Heucherella (Heucherella 'Stoplight') — Heucherella 'Stoplight' boasts striking yellow foliage with deep red centers

Ground cover

Stoplight Heucherella

Heucherella 'Stoplight'

HalfUSDA 3–9
Stormy Seas Coral Bells (Heuchera 'Stormy Seas') — reminiscent of a tempestuous sea

Ground cover

Stormy Seas Coral Bells

Heuchera 'Stormy Seas'

HalfUSDA 7–10
Strawberry (Fragaria X Ananassa) — To ensure optimum productivity and size; offering a prolonged season of interest and yield.<br><br>Strawberries demand

Ground cover

Strawberry

Fragaria X Ananassa

FullUSDA 3–8
Strawberry Begonia (Saxifraga Stolonifera 'Cuscutiformis') — It thrives in partial shade, requires well-drained soil and maintains a humble height of 3-6

Ground cover

Strawberry Begonia

Saxifraga Stolonifera 'Cuscutiformis'

Deep ShadeUSDA 6–8
Strawberry Foxglove (Digitalis X Mertonensis) — Preferring partial shade and moist

Perennial

Strawberry Foxglove

Digitalis X Mertonensis

FullUSDA 3–9
Strawflower (Helichrysum Orientale) — This low-maintenance, drought-tolerant plant is ideal for rock gardens and borders

Perennial

Strawflower

Helichrysum Orientale

FullUSDA 7–9
Stream Orchid (Epipactis Gigantea) — multi-colored and orange and red and yellow flowers in the garden; standing out against the backdrop of, image 108

Herb

Stream Orchid

Epipactis Gigantea

HalfUSDA 10–10
Streamside Monkey Flower (Mimulus Guttatus) — offering vibrant yellow blooms with splotched throats from late spring to fall

Annual

Streamside Monkey Flower

Mimulus Guttatus

ShadeUSDA 9–10
Subverticillate Ischyrolepis (Ischyrolepis Subverticillata) — evergreen ornamental grass hailing from South Africa

Perennial

Subverticillate Ischyrolepis

Ischyrolepis Subverticillata

FullUSDA 7–9
Sulfur Flower (Eriogonum Umbellatum) — vivid yellow flowers arranged in dense; and low maintenance needs, image 66

Perennial

Sulfur Flower

Eriogonum Umbellatum

FullUSDA 7–7
Sum And Substance Hosta (Hosta 'Sum And Substance') — ground cover / perennial for deep shade or half or shade

Ground cover

Sum And Substance Hosta

Hosta 'Sum And Substance'

Deep ShadeUSDA 3–9
Summer Love Hummingbird Mint (Agastache 'Summer Love') — raspberry-pink blooms that stand out atop 24‚Äì36 inch tall

Perennial

Summer Love Hummingbird Mint

Agastache 'Summer Love'

FullUSDA 5–10
Summer Sun Oxy Eye Sunflower (Heliopsis Helianthoides 'Summer Sun') — its drought tolerance and low maintenance needs make it a suitable candidate, image 86

Perennial

Summer Sun Oxy Eye Sunflower

Heliopsis Helianthoides 'Summer Sun'

FullUSDA 3–9
Sunburst Coreopsis (Coreopsis Grandiflora) — providing a long season of visual delight

Ground cover

Sunburst Coreopsis

Coreopsis Grandiflora

FullUSDA 4–10
Sunburst False Sunflower (Heliopsis Helianthoides 'Sunburst') — This sun-lover blooms from early summer to fall, attracting pollinators

Perennial

Sunburst False Sunflower

Heliopsis Helianthoides 'Sunburst'

FullUSDA 3–9
Sunburst Gazania (Gazania 'Sunburst Mix') — daisy-like flowers in a delightful array of yellows

Ground cover

Sunburst Gazania

Gazania 'Sunburst Mix'

FullUSDA 8–11
Sundrops (Oenothera Fruticosa) — <br><br>Their extended blooming period; it's beneficial to know that Sundrops prefer well-drained soil but can tolerate

Ground cover

Sundrops

Oenothera Fruticosa

FullUSDA 4–9
Sunrise Coneflower (Echinacea 'Sunrise') — Echinacea 'Sunrise' thrives in USDA Hardiness Zones 3 to 9

Perennial

Sunrise Coneflower

Echinacea 'Sunrise'

FullUSDA 3–9
Sun Rose (Helianthemum Nummularium) — ground cover / perennial for full or half; making it an excellent addition to rock gardens, image 78

Ground cover

Sun Rose

Helianthemum Nummularium

FullUSDA 5–8
Sunset Strain Lewisia (Lewisia Cotyledon 'Sunset Strain') — it thrives in temperatures down to -40&deg;F

Perennial

Sunset Strain Lewisia

Lewisia Cotyledon 'Sunset Strain'

HalfUSDA 3–7
Sunshine Mimosa (Mimosa Strigilliosa) — also popularly known as Powderpuff for its distinctive

Ground cover

Sunshine Mimosa

Mimosa Strigilliosa

FullUSDA 3–8

Photographs are credited on each plant’s page.