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Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Sunspot Heucherella (Heucherella 'Sunspot') — reaching a modest height of 10 inches and spreading up to 15 inches wide

Ground cover

Sunspot Heucherella

Heucherella 'Sunspot'

HalfUSDA 4–9
Superstition Reblooming Iris (Iris Germanica 'Superstition') — The Iris germanica 'Superstition' is a striking perennial, brandishing velvety, deep

Perennial

Superstition Reblooming Iris

Iris Germanica 'Superstition'

FullUSDA 3–9
Surefire® Red Begonia (Begonia Benariensis 'Surefire Red') — heat-tolerant annual boasting vibrant red flowers

Perennial

Surefire® Red Begonia

Begonia Benariensis 'Surefire Red'

HalfUSDA 10–11
Swamp Rose Mallow (Hibiscus Moscheutos) — vibrant blooms and impressive stature; including butterflies and hummingbirds

Perennial

Swamp Rose Mallow

Hibiscus Moscheutos

FullUSDA 8–8
Swedish Ivy (Plectranthus verticillatus) — The Swedish Begonia, Plectranthus australis, is a versatile, evergreen perennial

Perennial

Swedish Ivy

Plectranthus verticillatus

HalfUSDA 10–11
Swedish Ivy (Plectranthus Verticillatus) — flourishing in hardiness zones 10-11

Perennial

Swedish Ivy

Plectranthus Verticillatus

HalfUSDA 10–11
Sweet Goldenrod (Solidago Odora) — This North American native stands 2-4ft tall

Perennial

Sweet Goldenrod

Solidago Odora

FullUSDA 4–9
Sweet Musette Reblooming Iris (Iris Germanica 'Sweet Musette') — raspberry-pink blooms with apricot beards

Perennial

Sweet Musette Reblooming Iris

Iris Germanica 'Sweet Musette'

FullUSDA 3–9
Sweet Romance® Lavender (Lavandula angustifolia) — It grows 12-18 inches tall and wide in a tidy mound

Herb

Sweet Romance® Lavender

Lavandula angustifolia

FullUSDA 5–9
Sweet Tea Foamy Bells (Heucherella 'Sweet Tea') — Heucherella 'Sweet Tea' showcases charming star-shaped

Perennial

Sweet Tea Foamy Bells

Heucherella 'Sweet Tea'

HalfUSDA 3–10
Sweet Violet (Viola Odorata) — low-lying carpet of foliage

Ground cover

Sweet Violet

Viola Odorata

HalfUSDA 6–10
Switch Grass (Panicum Virgatum) — Panicum virgatum, or Switch Grass, is a robust perennial native to North American prairies

Grass

Switch Grass

Panicum Virgatum

FullUSDA 5–9
Sylvan Goatsbeard (Aruncus Dioicus) — herbaceous perennial that brings a dramatic flair to any landscape; possibly reaching up to 12 inches in, image 91

Perennial

Sylvan Goatsbeard

Aruncus Dioicus

HalfUSDA 2–9
Tabaiba Majorera (Euphorbia Atropurpurea) — It thrives in full sun and well-draining soil; green and multi-colored and red flowers in the garden

Perennial

Tabaiba Majorera

Euphorbia Atropurpurea

FullUSDA 5–9
Tall Bellflower (Campanula Americana) — This native perennial enjoys partial shade to full sun and thrives in moist, well-draining soil

Perennial

Tall Bellflower

Campanula Americana

FullUSDA 3–8
Tall Coreopsis (Coreopsis Tripteris) — It boasts striking yellow daisy-like flowers atop slender, erect stems reaching 4-8 ft in height

Perennial

Tall Coreopsis

Coreopsis Tripteris

FullUSDA 3–8
Tall Kangaroo Paw (Anigozanthos Flavidus) — lending both ecological value and visual appeal to any garden space; it thrives in USDA zones 9-11 and enjoys full

Perennial

Tall Kangaroo Paw

Anigozanthos Flavidus

FullUSDA 9–11
Tall Larkspur (Delphinium Exaltatum) — captivates with stately spires of vivid blue flowers reaching heights of 3 to 6 feet

Perennial

Tall Larkspur

Delphinium Exaltatum

FullUSDA 3–7
Tall Thimbleweed (Anemone Virginiana) — perennial for full or half; or as a backdrop for lower-growing perennials, image 48

Perennial

Tall Thimbleweed

Anemone Virginiana

FullUSDA 2–8
Tapien Blue Hybrid Verbena (Verbena 'Tapien Blue') — Blooms from late spring to frost, attracting butterflies

Annual

Tapien Blue Hybrid Verbena

Verbena 'Tapien Blue'

FullUSDA 3–10
Tasmanian Flax Lily (Dianella Tasmanica) — or within container gardens; often chosen for its attractive foliage and vibrant indigo berries

Grass

Tasmanian Flax Lily

Dianella Tasmanica

FullUSDA 8–11
Texas Vervain (Verbena Halei) — Texas Vervain (Verbena halei)

Perennial

Texas Vervain

Verbena Halei

FullUSDA 7–10
Threadleaf Coreopsis (Coreopsis Verticillata) — This hardy plant reaches 1.5 to 2 feet in height and can spread 1 to 2 feet wide

Perennial

Threadleaf Coreopsis

Coreopsis Verticillata

FullUSDA 3–10
Thread Leaf Coreopsis (Coreopsis Verticillata 'Golden Shower') — Thread Leaf Coreopsis (Coreopsis verticillata 'Golden Shower') thrives in USDA zones 3-9

Perennial

Thread Leaf Coreopsis

Coreopsis Verticillata 'Golden Shower'

FullUSDA 6–10

Photographs are credited on each plant’s page.