The Library

Perennials

The long spine of the bed, returning stronger each season.

635 varieties · page 1 of 27

Perennials7 to 10

Acanthus mollis

Bear’s Breeches

Blooms pinkish-purple with white or yellow markings

Partial shade to full shade

PerennialsUSDA Zones 7 to 10

Acanthus mollis 'Whitewater'

Whitewater Bear's Breeches

Blooms creamy white with pink blush and purple bracts

Partial shade to full shade

PerennialsUSDA zones 5 to 9

Acanthus spinosus

Spiny Bear's Breeches

Blooms white with purple bracts, tall spiky inflorescences

Full sun to partial shade

PerennialsUSDA zones 3 to 8

Achillea filipendulina 'Coronation Gold'

Coronation Gold Yarrow

Blooms bright golden yellow in flat-topped clusters

Full sun

PerennialsUSDA zones 3 to 9

Achillea millefolium

Common Yarrow

Blooms large clusters of small white flowers

Full sun

PerennialsUSDA zones 3 to 9

Achillea millefolium 'Alabaster'

Alabaster Yarrow

Blooms creamy white to soft pink, flat-topped clusters

Full sun

PerennialsUSDA zones 3 to 8

Achillea millefolium 'Lilac Beauty'

Lilac Beauty Yarrow

Blooms lilac purple, fading to pale pink or white

Full sun

PerennialsUSDA Zones 4-9

Achillea millefolium 'Moonshine'

Moonshine Yarrow

Blooms bright lemon-yellow clusters

Full sun

PerennialsUSDA zones 4 to 9

Achillea millefolium 'New Vintage Violet'

New Vintage Violet Yarrow

Blooms violet-red

Full sun

PerennialsUSDA zones 3 to 9

Achillea millefolium 'Paprika'

Paprika Yarrow

Blooms bright red with yellow centers, fading to salmon tones

Full sun

PerennialsUSDA Zones 3-9

Achillea millefolium 'Terracotta'

Terracotta Yarrow

Blooms warm terracotta-orange fading to soft yellow

Full sun

PerennialsUSDA Zones 3-8

Aconitum carmichaelii 'Barker's Variety'

Barker's Variety Monkshood

Blooms deep violet-blue, helmet-shaped blooms

Full sun to partial shade

PerennialsUSDA Zones 3 to 9

Actaea simplex 'Black Negligee'

Black Negligee Bugbane

Blooms creamy white with pink tinge

Partial shade to full shade

PerennialsUSDA zones 3 to 8

Adiantum pedatum

Northern Maidenhair Fern

Blooms non-flowering fern

Partial shade to full shade

PerennialsUSDA zones 4 to 8

Adiantum venustum

Himalayan Maidenhair Fern

Blooms does not produce significant flowers (fern)

Part shade to full shade

PerennialsUSDA zones 7–10

Agapanthus 'Storm Cloud'

Storm Cloud Lily of the Nile

Blooms dark blue to purple flowers

Full sun to partial shade

PerennialsUSDA Zones 7-10

Agapanthus 'Windlebrooke'

Windlebrooke Lily of the Nile

Blooms violet-blue

Full sun to partial shade

PerennialsUSDA Zones 7-10

Agapanthus campanulatus 'Bressingham Blue'

Bressingham Blue Lily of the Nile

Blooms deep blue flowers arranged in large umbels

Full sun to partial shade

PerennialsUSDA zones 7–10

Agapanthus inapertus ssp. pendulus 'Graskop'

Grassland Lily of the Nile

Blooms deep blue, funnel-shaped blooms

Full sun to partial shade

PerennialsUSDA Zones 7 to 10

Agastache mexicana 'Balsumleac'

Summerlong Peach Mexican Giant Hyssop

Blooms soft peach

Full sun

PerennialsUSDA Zones 7a to 10b

Agastache mexicana 'Balsumlem'

Summerlong Lemon Mexican Giant Hyssop

Blooms bright yellow

Full sun

PerennialsUSDA Zones 7 to 10

Agastache mexicana 'Balsumlilac'

Summerlong Lilac Mexican Giant Hyssp

Blooms lilac-pink

Full sun

PerennialsUSDA Zones 7 to 10

Agastache mexicana 'Balsumlmag'

Summerlong Magenta Mexican Giant Hyssop

Blooms purple-pink

Full sun

PerennialsUSDA Zones 7a to 10b

Agastache mexicana 'Balsumlora'

Summerlong Coral Mexican Giant Hyssop

Blooms salmon-pink

Full sun