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Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Spike Gayfeather, Blazing Star (Liatris Spicata) — Its vertical flower spikes; perennial for full or half, image 66

Perennial

Spike Gayfeather, Blazing Star

Liatris Spicata

FullUSDA 3–9
Spiny Bear's Breech (Acanthus Spinosus) — Drought-tolerant once established; requires minimal maintenance; adding a dynamic element to the garden.<br><br>When

Perennial

Spiny Bear's Breech

Acanthus Spinosus

FullUSDA 5–6
Spiny Rush (Juncus Acutus) — providing habitat for wildlife and erosion control with minimal maintenance; it's resilient to many pests and diseases, image 55

Grass

Spiny Rush

Juncus Acutus

FullUSDA 8–11
Splendens Coral Bells (Heuchera Sanguinea 'Splendens') — commonly known as Splendens Coral Bells

Ground cover

Splendens Coral Bells

Heuchera Sanguinea 'Splendens'

HalfUSDA 3–10
Spotted Joe Pye Weed (Eutrochium Maculatum) — making it an excellent choice for rain gardens or alongside water features

Perennial

Spotted Joe Pye Weed

Eutrochium Maculatum

FullUSDA 4–8
Spring Symphony Foamflower (Tiarella 'Spring Symphony') — The Tiarella 'Spring Symphony' showcases captivating pink blooms atop compact

Ground cover

Spring Symphony Foamflower

Tiarella 'Spring Symphony'

HalfUSDA 4–9
Spur Flower (Plectranthus ciliatus) — A partially shaded position is optimal, but it can tolerate full sun in cooler climates

Perennial

Spur Flower

Plectranthus ciliatus

ShadeUSDA 9–11
Spurge (Euphorbia Characias 'Tasmanian Tiger') — When designing with 'Tasmanian Tiger'; which are modified leaves that resemble flowers, image 135

Perennial

Spurge

Euphorbia Characias 'Tasmanian Tiger'

FullUSDA 6–9
Stained Glass Hosta (Hosta 'Stained Glass') — This variety boasts a 15-inch height and spreads up to 36 inches wide, creating an eye-catching, low mound

Perennial

Stained Glass Hosta

Hosta 'Stained Glass'

HalfUSDA 3–9
Star Chickweed (Stellaria Pubera) — Star Chickweed (Stellaria pubera) is a delicate, shade-loving perennial, flourishing in zones 4-7; this native woodland

Perennial

Star Chickweed

Stellaria Pubera

ShadeUSDA 4–11
Starfire Phlox (Phlox Paniculata 'Starfire') — pink flowers with dark eyes that bloom from summer to early fall

Perennial

Starfire Phlox

Phlox Paniculata 'Starfire'

FullUSDA 4–9
Starlight Tickseed (Coreopsis 'Starlight') — Coreopsis 'Starlight' is a vibrant perennial ideal for sunny borders

Perennial

Starlight Tickseed

Coreopsis 'Starlight'

FullUSDA 5–9
Star Of Bethlehem (Ornithogalum arabicum) — Originating from the Mediterranean region; making it suitable for gardeners looking for an attractive, image 48

Bulb

Star Of Bethlehem

Ornithogalum arabicum

FullUSDA 9–10
Star Of Persia (Allium Cristophii) — spherical clusters of lavender; it blooms in late spring to early summer

Bulb

Star Of Persia

Allium Cristophii

FullUSDA 4–8
Stella De Oro Daylily (Hemerocallis 'Stella De Oro') — scientifically referred to as Hemerocallis 'Stella de Oro'

Perennial

Stella De Oro Daylily

Hemerocallis 'Stella De Oro'

FullUSDA 3–11
Stella De Oro Daylily (Hemerocallis 'Stella De Oro') — This cultivar features a profusion of trumpet-shaped

Perennial

Stella De Oro Daylily

Hemerocallis 'Stella De Oro'

FullUSDA 3–11
Stella Supreme Daylily (Hemerocallis 'Stella Supreme') — These daylilies feature a profusion of trumpet-shaped, 3.75-inch-wide flowers with a pleasing fragrance

Perennial

Stella Supreme Daylily

Hemerocallis 'Stella Supreme'

FullUSDA 5–11
St. Elmo's Fire (Pelargonium 'St. Elmo's Fire') — Elmo‚Äôs Fire' is a vibrant perennial showcasing fiery red-orange blooms accented with darker reddish markings

Perennial

St. Elmo's Fire

Pelargonium 'St. Elmo's Fire'

HalfUSDA 9–11
Stern Hellebore (Helleborus X Sternii) — The Helleborus x sternii, known as Stern Hellebore, is an evergreen perennial that thrives in partial shade

Perennial

Stern Hellebore

Helleborus X Sternii

FullUSDA 4–9
Sticky Cinquefoil (Potentilla Glandulosa) — commonly called Sticky Cinquefoil

Ground cover

Sticky Cinquefoil

Potentilla Glandulosa

HalfUSDA 3–10
Sticky Jerusalem Sage (Phlomis russeliana) — commonly known as Sticky Jerusalem Sage

Perennial

Sticky Jerusalem Sage

Phlomis russeliana

FullUSDA 4–10
Sticky Monkey Flower (Mimulus Aurantiacus) — Thriving in USDA zones 7-10, this evergreen perennial prefers well-drained soils and full to partial sun

Perennial

Sticky Monkey Flower

Mimulus Aurantiacus

FullUSDA 9–10
Stiff Aster (Ionactis linariifolius) — it's an excellent source of fall color and attracts butterflies

Perennial

Stiff Aster

Ionactis linariifolius

FullUSDA 4–9
Stiletto Hosta (Hosta 'Stiletto') — accented by creamy-white margins

Perennial

Stiletto Hosta

Hosta 'Stiletto'

Deep ShadeUSDA 3–8

Photographs are credited on each plant’s page.