Zone 9 · winter lows 20°F to 30°F

Perennials for Zone 9

4.1k perennials plants that are hardy through Zone 9, ranked by how many gardeners actually save and grow them.

4.1k plantsLast frost ~late FebruaryFirst frost ~early December

Most-saved perennials plants for Zone 9

Butterfly Weed#1 most saved

Butterfly Weed

Asclepias tuberosa

Zones 4–9· 604 saves· from $10
Cheyenne Spirit Coneflower#2 most saved

Cheyenne Spirit Coneflower

Echinacea purpurea 'Cheyenne Spirit'

Zones 4–9· 574 saves· from $13
Butterfly Weed#3 most saved

Butterfly Weed

Asclepias tuberosa 'Gay Butterflies Mix'

Zones 4–9· 382 saves
Butterfly Weed Gay Butterflies Milkweed

Butterfly Weed Gay Butterflies Milkweed

Asclepias tuberosa 'Gay Butterflies'

Zones 4–9· 376 saves· from $50
Hello Yellow Butterfly Weed

Hello Yellow Butterfly Weed

Asclepias tuberosa 'Hello Yellow'

Zones 4–9· 369 saves· from $16
Butterfly Milkweed

Butterfly Milkweed

Asclepias x hybrida

Zones 4–9· 366 saves· from $16
Old Farmyard Hollyhock

Old Farmyard Hollyhock

Alcea rosea 'Old Farmyard'

Zones 4–9· 360 saves
May Night Sage

May Night Sage

Salvia nemorosa 'May Night'

Zones 4–9· 358 saves· from $6
Black-eyed Susan

Black-eyed Susan

Rudbeckia hirta 'American Gold Rush'

Zones 4–10· 353 saves· from $17
Blanket Flower

Blanket Flower

Gaillardia x grandiflora 'Mixed Border'

Zones 4–10· 340 saves
Cinderella Milkweed

Cinderella Milkweed

Asclepias incarnata 'Cinderella'

Zones 4–9· 336 saves· from $22
Prairie Phlox

Prairie Phlox

Phlox pilosa

Zones 4–9· 335 saves
Cheyenne Spirit Coneflower

Cheyenne Spirit Coneflower

Echinacea purpurea 'Cheyenne Spirit Mix'

Zones 4–9· 332 saves
Common Milkweed

Common Milkweed

Asclepias syriaca

Zones 4–9· 329 saves· from $10
Wild Lupine

Wild Lupine

Lupinus perennis

Zones 4–9· 324 saves
Purple Coneflower

Purple Coneflower

Echinacea purpurea

Zones 4–9· 321 saves· from $8
Black-eyed Susan

Black-eyed Susan

Rudbeckia fulgida 'Goldsturm'

Zones 4–9· 318 saves· from $7
Dahlia

Dahlia

Dahlia variabilis

Zones 5–10· 315 saves
Blue Tweedia

Blue Tweedia

Tweedia caerulea

Zones 5–9· 309 saves
Chim Chiminee Black-eyed Susan

Chim Chiminee Black-eyed Susan

Rudbeckia hirta 'Chim Chiminee'

Zones 5–9· 303 saves
Swamp Milkweed Ice Ballet

Swamp Milkweed Ice Ballet

Asclepias incarnata 'Ice Ballet'

Zones 4–9· 301 saves· from $10
Cherokee Sunset Black-eyed Susan

Cherokee Sunset Black-eyed Susan

Rudbeckia hirta 'Cherokee Sunset'

Zones 5–9· 299 saves
Joe Pye Weed Euphoria Ruby

Joe Pye Weed Euphoria Ruby

Eupatorium purpureum 'Euphoria Ruby'

Zones 4–9· 293 saves
Beardtongue Rondo

Beardtongue Rondo

Penstemon barbatus 'Rondo'

Zones 4–9· 291 saves

Showing the 24 most-saved of 4.1k. See all perennials

Perennials in Zone 9

What are the best perennials plants for Zone 9?

The 24 above are the most-saved perennials plants that are also rated hardy through Zone 9. Ranking by real gardeners — not by catalog marketing — surfaces the ones gardeners keep coming back to.

Will these survive Zone 9 winters?

Every plant listed here is rated for Zone 9, where winter lows reach 20°F to 30°F. Site conditions still matter: drainage, wind exposure, and a good layer of mulch make the difference between a rated-hardy plant and a happy one.

When is the best time to plant perennials?

Early fall is the quiet champion: warm soil grows roots while cool air reduces stress. Spring works too — just expect to water more through the first summer.

Keep exploring

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