The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Sunspot Heucherella (Heucherella 'Sunspot') — creating a sunspot effect

Sunspot Heucherella

Heucherella 'Sunspot'

Half · Zones 4–9

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

Superstition Reblooming Iris

Iris Germanica 'Superstition'

Full · Zones 3–9

Surefire® Red Begonia (Begonia Benariensis 'Surefire Red') — Surefire® Red Begonia (Begonia benariensis 'Surefire Red') is a robust

Surefire® Red Begonia

Begonia Benariensis 'Surefire Red'

Half · Zones 10–11

Swamp Rose Mallow (Hibiscus Moscheutos) — vibrant blooms and impressive stature

Swamp Rose Mallow

Hibiscus Moscheutos

Full · Zones 8–8

Swedish Ivy (Plectranthus Verticillatus) — Swedish Ivy (Plectranthus verticillatus) is an evergreen perennial boasting cascading stems lined with round

Swedish Ivy

Plectranthus Verticillatus

Half · Zones 10–11

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

Swedish Ivy

Plectranthus verticillatus

Half · Zones 10–11

Sweet Goldenrod (Solidago Odora) — Sweet Goldenrod (Solidago odora) is a vibrant, herbaceous perennial, flourishing in full sun to part shade

Sweet Goldenrod

Solidago Odora

Full · Zones 4–9

Sweet Musette Reblooming Iris (Iris Germanica 'Sweet Musette') — The Iris germanica 'Sweet Musette' is a perennial featuring fragrant

Sweet Musette Reblooming Iris

Iris Germanica 'Sweet Musette'

Full · Zones 3–9

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

Sweet Romance® Lavender

Lavandula angustifolia

Full · Zones 5–9

Sweet Tea Foamy Bells (Heucherella 'Sweet Tea') — Heucherella 'Sweet Tea' showcases charming star-shaped

Sweet Tea Foamy Bells

Heucherella 'Sweet Tea'

Half · Zones 3–10

Sweet Violet (Viola Odorata) — These hardy groundcovers form lush mats up to 6 inches high and spread about 18 inches wide

Sweet Violet

Viola Odorata

Half · Zones 6–10

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

Switch Grass

Panicum Virgatum

Full · Zones 5–9

Sylvan Goatsbeard (Aruncus Dioicus) — Aruncus dioicus, commonly known as Sylvan Goatsbeard, is a perennial favorite for woodland gardens

Sylvan Goatsbeard

Aruncus Dioicus

Half · Zones 2–9

Tabaiba Majorera (Euphorbia Atropurpurea) — This drought-tolerant plant thrives in well-drained soil and full sun

Tabaiba Majorera

Euphorbia Atropurpurea

Full · Zones 5–9

Tall Bellflower (Campanula Americana) — graces gardens with its striking vertical growth

Tall Bellflower

Campanula Americana

Full · Zones 3–8

Tall Coreopsis (Coreopsis Tripteris) — The Tall Coreopsis (Coreopsis tripteris) is a hardy perennial native to North America

Tall Coreopsis

Coreopsis Tripteris

Full · Zones 3–8

Tall Kangaroo Paw (Anigozanthos Flavidus) — The Tall Kangaroo Paw, Anigozanthos flavidus, is a charismatic Australian perennial

Tall Kangaroo Paw

Anigozanthos Flavidus

Full · Zones 9–11

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

Tall Larkspur

Delphinium Exaltatum

Full · Zones 3–7

Tall Thimbleweed (Anemone Virginiana) — It thrives in USDA zones 3-8, preferring full sun to partial shade and well-drained soil

Tall Thimbleweed

Anemone Virginiana

Full · Zones 2–8

Tapien Blue Hybrid Verbena (Verbena 'Tapien Blue') — Verbena 'Tapien Blue' dazzles with cascades of vibrant violet-blue blooms

Tapien Blue Hybrid Verbena

Verbena 'Tapien Blue'

Full · Zones 3–10

Tasmanian Flax Lily (Dianella Tasmanica) — Following the flowering season

Tasmanian Flax Lily

Dianella Tasmanica

Full · Zones 8–11

Texas Vervain (Verbena Halei) — Texas Vervain (Verbena halei)

Texas Vervain

Verbena Halei

Full · Zones 7–10

Threadleaf Coreopsis (Coreopsis Verticillata) — feathery foliage and profuse golden-yellow blooms appearing from early summer to fall

Threadleaf Coreopsis

Coreopsis Verticillata

Full · Zones 3–10

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

Thread Leaf Coreopsis

Coreopsis Verticillata 'Golden Shower'

Full · Zones 6–10