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The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Coast Aster (Symphyotrichum Chilense) — is a lush green that forms a lovely backdrop for its floral display

Perennial

Coast Aster

Symphyotrichum Chilense

FullUSDA 9–11
Cobweb Spiderwort (Tradescantia Sillamontana) — Ideal for xeriscaping and suitable for containers, it adds a textured, silvery accent to the landscape; is a

Ground cover

Cobweb Spiderwort

Tradescantia Sillamontana

FullUSDA 6–10
Coleus Varieties (Coleus Hybrids) — They require well-drained soil and thrive in both pots and beds

Perennial

Coleus Varieties

Coleus Hybrids

HalfUSDA 10–11
Colorado Blue Columbine (Aquilegia Caerulea) — Aquilegia caerulea, or Colorado Blue Columbine, is a perennial native to the Rocky Mountains

Perennial

Colorado Blue Columbine

Aquilegia Caerulea

FullUSDA 3–10
Columbine (Aquilegia Hybrids) — Mature plants reach 15-20 inches in height and spread up to 12 inches; thriving in USDA zones 3-8, it prefers partially shaded

Perennial

Columbine

Aquilegia Hybrids

HalfUSDA 3–10
Common Aubrieta (Aubrieta Deltoidea) — this robust plant is drought tolerant; or even tucked into crevices of rock gardens

Ground cover

Common Aubrieta

Aubrieta Deltoidea

FullUSDA 5–7
Common Bleeding Heart (Dicentra Spectabilis) — A rich, moist, well-draining soil, with a slightly acidic to neutral pH, will ensure optimal growth; this

Perennial

Common Bleeding Heart

Dicentra Spectabilis

HalfUSDA 4–10
Common Columbine, European Columbin (Aquilegia Vulgaris 'Nora Barlow') — is a herbaceous perennial famed for its showy

Perennial

Common Columbine, European Columbin

Aquilegia Vulgaris 'Nora Barlow'

FullUSDA 3–9
Common Columbine, European Columbin (Aquilegia Vulgaris) — Its blue-green foliage is multi-lobed, adding a textural backdrop in borders; possessing an alluring

Perennial

Common Columbine, European Columbin

Aquilegia Vulgaris

FullUSDA 3–9
Common Comfrey (Symphytum Officinale) — blue flowers in the garden

Perennial

Common Comfrey

Symphytum Officinale

FullUSDA 4–8
Common Foxglove (Digitalis Purpurea) — which can lead to naturalization in the right conditions; they will benefit from regular watering during, image 99

Perennial

Common Foxglove

Digitalis Purpurea

HalfUSDA 4–10
Common Garden Canna (Canna 'Erebus') — Reaching an average height of 3 to 4 feet

Perennial

Common Garden Canna

Canna 'Erebus'

FullUSDA 7–10
Common Peony (Paeonia Officinalis) — opulent flowers that range in color from deep red to blush pink; blossoming in late spring to early summer

Perennial

Common Peony

Paeonia Officinalis

FullUSDA 3–10
Common Rush (Juncus Effusus V. Brunneus) — brunneus) is an ornamental perennial grass-like plant

Perennial

Common Rush

Juncus Effusus V. Brunneus

FullUSDA 8–10
Common Thyme (Thymus Vulgaris) — evergreen herb with aromatic; common Thyme forms a low-growing mat reaching typically around 6 to 12 inches in height

Ground cover

Common Thyme

Thymus Vulgaris

FullUSDA 5–9
Common Tree Mallow (Lavatera Arborea) — scientifically known as Lavatera arborea

Annual

Common Tree Mallow

Lavatera Arborea

FullUSDA 3–10
Common Verbena (Verbena Peruviana Cv.) — offering excellent ground cover; periodic deadheading of spent blossoms is recommended

Ground cover

Common Verbena

Verbena Peruviana Cv.

FullUSDA 3–10
Common Woolly Sunflower (Eriophyllum Lanatum) — Its leaves are lance-shaped

Perennial

Common Woolly Sunflower

Eriophyllum Lanatum

FullUSDA 5–5
Common Wormwood, Absinth (Artemisia Absinthium) — and its practical applications in an eco-conscious garden space

Perennial

Common Wormwood, Absinth

Artemisia Absinthium

FullUSDA 3–9
Common Yarrow (Achillea Millefolium) — This plant thrives in hardiness zones 3 through 9, demonstrating its tolerance for a wide range of climates

Ground cover

Common Yarrow

Achillea Millefolium

FullUSDA 3–10
Compact Dragon Tree (Dracaena Fragrans 'Compacta') — Thriving best in partial shade; although they grow at a sluggish rate of 2 to 4 inches per year

Perennial

Compact Dragon Tree

Dracaena Fragrans 'Compacta'

HalfUSDA 9–10
Coneflower (Echinacea Sp.) — contributing long-lasting color to the garden; commonly referred to by its genus name Echinacea sp.

Perennial

Coneflower

Echinacea Sp.

FullUSDA 3–9
Confederate Rose (Hibiscus Mutabilis 'Rubra') — Reaching 6-15 feet tall with a 6-10 feet spread

Perennial

Confederate Rose

Hibiscus Mutabilis 'Rubra'

FullUSDA 5–8
Cooper's Paperflower (Psilostrophe Cooperi) — it is highly low-maintenance

Perennial

Cooper's Paperflower

Psilostrophe Cooperi

FullUSDA 8–11

Photographs are credited on each plant’s page.