The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Blackeyed Susan (Rudbeckia F.S. 'Goldstrum') — North American native perennial

Blackeyed Susan

Rudbeckia F.S. 'Goldstrum'

Full · Zones 3–9

Black-Eyed Susan (Rudbeckia Hirta) — commonly known as Black-Eyed Susan

Black-Eyed Susan

Rudbeckia Hirta

Full · Zones 3–10

Black-Eyed Susan (Rudbeckia Nitida 'Herbstonne') — is a striking perennial displaying bright yellow petals with a prominent green cone

Black-Eyed Susan

Rudbeckia Nitida 'Herbstonne'

Full · Zones 4–10

Black-Eyed Susan Cultivars (Rudbeckia Hirta Cvs.) — commonly called Black-Eyed Susan

Black-Eyed Susan Cultivars

Rudbeckia Hirta Cvs.

Full · Zones 3–10

Blackfoot Daisy (Melampodium Leucanthum) — Blackfoot Daisy (Melampodium leucanthum) thrives in arid conditions, suitable for xeriscaping

Blackfoot Daisy

Melampodium Leucanthum

Full · Zones 5–11

Black Negligee Snakeroot (Actaea 'Black Negligee') — It reaches 4 to 5 feet high and spreads 2 to 3 feet wide

Black Negligee Snakeroot

Actaea 'Black Negligee'

Half · Zones 3–9

Blacknight Hollyhock (Alcea Rosea 'Blacknight') — commonly known as Blacknight Hollyhock

Blacknight Hollyhock

Alcea Rosea 'Blacknight'

Full · Zones 3–10

Black Scallop Bugleweed (Ajuga Reptans 'Black Scallop') — Ajuga reptans 'Black Scallop' is a perennial ground cover

Black Scallop Bugleweed

Ajuga Reptans 'Black Scallop'

Full · Zones 3–9

Black Snakeroot (Actaea Racemosa) — Black Snakeroot, or Actaea racemosa, is a striking perennial native to North American woodlands

Black Snakeroot

Actaea Racemosa

Half · Zones 3–8

Black Taffeta Alum Root (Heuchera 'Black Taffeta') — The Heuchera 'Black Taffeta' offers luxurious, silky black foliage that gives depth to landscape designs

Black Taffeta Alum Root

Heuchera 'Black Taffeta'

Half · Zones 4–9

Bladder Campion (Silene Uniflora) — Silene uniflora, or Bladder Campion, is a resilient perennial, thriving in USDA zones 4-8

Bladder Campion

Silene Uniflora

Half · Zones 1–11

Blanket Flower (Gaillardia X Grandiflora) — daisy-like blossoms in red

Blanket Flower

Gaillardia X Grandiflora

Full · Zones 3–9

Blatant Bearded Iris (Iris Bearded 'Blatant') — The Bearded Iris 'Blatant' is a striking perennial, boasting showy bicolor blooms up to 6 inches wide

Blatant Bearded Iris

Iris Bearded 'Blatant'

Full · Zones 3–10

Blazing Star (Tritonia Deusta) — The Orange Freesia, or Tritonia deusta, is a striking cormous perennial, reaching up to 12 inches in height

Blazing Star

Tritonia Deusta

Full · Zones 3–10

Blazing Sunset Geum (Geum 'Blazing Sunset') — fiery red flowers reaching 2 to 3 inches across

Blazing Sunset Geum

Geum 'Blazing Sunset'

Full · Zones 5–7

Bloodleaf (Iresine Herbstii ''Aureoreticulata') — Iresine herbstii 'Aureoreticulata'

Bloodleaf

Iresine Herbstii ''Aureoreticulata'

Full · Zones 10–11

Bloodleaf (Iresine Herbstii) — it requires well-drained soil and regular watering

Bloodleaf

Iresine Herbstii

Full · Zones 10–11

Bloody Cranesbill (Geranium Sanguineum) — The Bloody Cranesbill (Geranium sanguineum) is a hardy perennial, flourishing in zones 3-8

Bloody Cranesbill

Geranium Sanguineum

Full · Zones 3–10

Blue Angel Hosta (Hosta 'Blue Angel') — mounded display up to 36 inches tall and 48 inches wide

Blue Angel Hosta

Hosta 'Blue Angel'

Half · Zones 3–9

Blue Aster (Aster X Frikartii) — flourishing with star-shaped

Blue Aster

Aster X Frikartii

Full · Zones 6–10

Blue Beach Aster, Seaside Daisy (Erigeron Glaucus) — Erigeron glaucus, the Seaside Daisy, enchants with lavender-blue petals circling yellow centers

Blue Beach Aster, Seaside Daisy

Erigeron Glaucus

Full · Zones 6–10

Blueberry Fair Siberian Iris (Iris Sibirica 'Blueberry Fair') — The Iris sibirica 'Blueberry Fair' lends serene elegance with its ruffled

Blueberry Fair Siberian Iris

Iris Sibirica 'Blueberry Fair'

Full · Zones 2–9

Blueberry Sundae False Indigo (Baptisia 'Blueberry Sundae') — deciduous perennial featuring vibrant indigo-blue flowers resembling pea blossoms

Blueberry Sundae False Indigo

Baptisia 'Blueberry Sundae'

Full · Zones 4–9

Blue Boa Agastache (Agastache Hybrid 'Blue Boa') — Its fragrant foliage and long-blooming flowers

Blue Boa Agastache

Agastache Hybrid 'Blue Boa'

Full · Zones 5–9