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Perennials by Light     Perennials by Height     Perennials by Zone

USDA Zones

 This number represents the potential lowest temperature.

 Your location may vary due to microclimates

 

ZONE 3    -40F

ZONE 4    -30F

ZONE 5    -20F

ZONE 6    -10F

ZONE 7       0F

ZONE 8    +10F

ZONE 9    +20F

ZONE 10   +30F
 

 Listed from most hardy to least hardy.
Different resources may give different ratings which are based on experience
 and ratings changes as new data is collected.

 

ECHINACEA  'After Midnight'

2 - 9

ECHINOPS sphaerocephalus 'Arctic Glow'

3 - 7

LILIUM martagon

3 - 8

AQUILEGIA vulgaris 'Woodside Gold'

3 - 8

ECHINOPS ritro 'Veitch's Blue'

3 - 8

LILIUM  'Golden Stargazer'

3 - 8

LILIUM citronella

3 - 8

VERONICASTRUM virginicum 'Fascination'

3 - 9

GERANIUM  'x Magnificum'

3 - 9

MONARDA didyma 'Coral Reef'

3 - 9

SALVIA nemorosa 'Pink Friesland'

3 - 9

SANGUINARIA canadensis 'Multiplex'

4 - 8

ANEMONE  'Honorine Jobert'

4 - 8

ASTER lateriflorus 'Lady in Black'

4 - 8

HELENIUM  'Mardi Gras'

4 - 8

LILIUM lancifolium 'Red Twinkle'

4 - 8

PRIMULA japonica 'Miller's Crimson'

4 - 9

ASTER lateriflorus 'Prince'

4 - 9

BERGENIA  'Bressingham Ruby'

4 - 9

BRUNNERA macrophylla 'Jack Frost'

4 - 9

ERYTHRONIUM albidum

4 - 9

EUPATORIUM  'Phantom'

4 - 9

EUPHORBIA  'Jessie'

4 - 9

GERANIUM  ''Pearl Boland''

4 - 9

HELIANTHUS  'Lemon Queen'

4 - 9

HEUCHERA  'Frosted Violet'

4 - 9

HEUCHERA  'Key Lime Pie'

4 - 9

HEUCHERA  'Mahogany'

4 - 9

HEUCHERA  'Obsidian'

4 - 9

HEUCHERA  'Peach Flambe'

4 - 9

HEUCHERA  'Raspberry Ice'

4 - 9

HEUCHERA  'Snow Angel'

4 - 9

LATHRUS vernus

4 - 9

LILIUM  'Black Beauty'

4 - 9

MONARDA  'Fireball'

4 - 9

MONARDA  'Grand Marshall'

4 - 9

PEROVSKIA  'Little Spire'

4 - 9

SALIX alba 'Flame'

4 - 9

SALVIA nemorosa 'Sensation Rose'

4 - 9

TRADESCANTIA  'Blue & Gold'

4 - 9

TRADESCANTIA  'Sweet Kate'

5 - 7

PHYTEUMA scheuchzeri

5 - 8

CORYDALIS flexuosa 'Purple Leaf'

5 - 9

BELAMCANDA chinensis

5 - 9

BERGENIA  'Pink Dragonfly'

5 - 9

CARDAMINE trifolia

5 - 9

CORYDALIS  'Berry Exciting'

5 - 9

CYCLAMEN coum

5 - 9

CYCLAMEN coum 'Silver Leaf'

5 - 9

ECHINACEA  'Big Sky Harvest Moon'

5 - 9

ECHINACEA  'Big Sky Sundown'

5 - 9

ECHINACEA  'Big Sky Sunrise'

5 - 9

ECHINACEA  'Big Sky Sunset'

5 - 9

ECHINACEA  'Summer Sky'

5 - 9

EUPHORBIA  'Helena's Blush'

5 - 9

EUPHORBIA  'Tasmanian Tiger'

5 - 9

EUPHORBIA polychroma 'Bonfire'

5 - 9

EUPHORBIA x martinii 'Rudolph'

5 - 9

EUPHORBIA x nicaeensis 'Blue Haze'

5 - 9

GAILLARDIA X grandiflora 'Oranges and Lemons'

5 - 9

GERANIUM  'Ann Folkard'

5 - 9

GERANIUM  'Little Gem'

5 - 9

GERANIUM  'Rozanne'

5 - 9

GERANIUM  'Salome'

5 - 9

GERANIUM pratense 'Midnight Reiter'

5 - 9

GERANIUM pratense 'Victor Reiter'

5 - 9

GEUM  'Fireball'

5 - 9

GEUM  'Werner Arends'

5 - 9

HELLEBORUS  'Ashwood Garden'

5 - 9

HELLEBORUS  'Blue Lady'

5 - 9

HELLEBORUS  'Carousel Strain'

5 - 9

HELLEBORUS  'Red Lady'

5 - 9

HELLEBORUS  'Yellow Lady'

5 - 9

KNIPHOFIA  'Shining Scepter'

5 - 9

PETASITES palmatus 'Golden Palms'

5 - 9

PRIMULA  'Francesca'

5 - 9

PRIMULA florindae

5 - 9

PRIMULA juliae 'Jay Jay'

5 - 9

PRIMULA kisoana

5 - 9

SALVIA X sylvestris 'Caradonna'

5 - 9

STYRAX japonica

5 - 9

THALICTRUM uchiyamae

5 - 9

VERBASCUM  'Lavender Lass'

5 - 9

VERBASCUM  'Royalty'

5 - 9

ZAUSCHNERIA garrettii 'Orange Carpet'

5 - 9

HELLEBORUS  'Ballerina mix'

6 - 8

OMPHALODES cappadocica 'Cherry Ingram'

6 - 8

PRIMULA bulleyana

6 - 8

THALICTRUM rochebrunia

6 - 9

ASPHODELINE lutea

6 - 9

CROCOSMIA  'Carmin Brillant'

6 - 9

CROCOSMIA  'Coleton Fishacre'

6 - 9

CROCOSMIA  'Constance'

6 - 9

CROCOSMIA  'Emily McKenzie'

6 - 9

CROCOSMIA  'Fire King'

6 - 9

CROCOSMIA  'Mistral'

6 - 9

CROCOSMIA  'Star of the East'

6 - 9

CROCOSMIA  'Venus'

6 - 9

CROCOSMIA  'Voyager'

6 - 9

CROCOSMIA  'Walberton Yellow'

6 - 9

CROCOSMIA citronella

6 - 9

CYCLAMEN cilicium

6 - 9

EUPHORBIA  'Blackbird'

6 - 9

EUPHORBIA  'Red Wing'

6 - 9

EUPHORBIA characias 'Humpty Dumpty'

6 - 9

GAURA  'Passionate Rainbow'

6 - 9

HELLEBORUS  'Ivory Prince'

6 - 9

HELLEBORUS argutifolius 'Silver Lace'

6 - 9

HYDRANGEA macrophylla 'Nigra'

6 - 9

HYDRANGEA scandens 'Fragrant Splash'

6 - 9

HYDRANGEA serrata 'Beni'

6 - 9

HYDRANGEA serrata 'Komachi'

6 - 9

HYDRANGEA serrata 'Shichidanka'

6 - 9

HYDRANGEA serrata 'Shinonomei'

6 - 9

HYDRANGEA serrata 'Shiromaiko'

6 - 9

IRIS  'Black Gamecock'

6 - 9

LEYCESTRIA formosa 'Not Bruce'

6 - 9

OXALIS magellanica 'Nelson'

6 - 9

PINELLIA tripartita 'Dragon Tails'

6 - 9

PODOPHYLLUM  'Spotty Dotty'

6 - 9

PRIMULA  'Green Lace'

6 - 9

STYLOPHORUM diphyllum

6 - 10

AGAPANTHUS  'Headbourne Hybrids'

6 - 10

HYDRANGEA serrata 'O Amacha Nishiki'

6 - 10

KNIPHOFIA caulescens

7 - 9

AGAPANTHUS  'Midnight Blue'

7 - 9

ARTHROPODIUM candidum 'Purpureum'

7 - 9

CISTUS X corbariensis

7 - 9

CLEREODENDRUM trichotomum 'Carnival'

7 - 9

DIERAMA cooperi

7 - 9

DIERAMA mossii

7 - 9

ELLISIOPHYLLUM pinnatum

7 - 9

EUPHORBIA  'Glacier Blue'

7 - 9

EUPHORBIA characias 'Purple Preference'

7 - 9

EUPHORBIA characias spp. Wulfenii

7 - 9

EUPHORBIA rigida

7 - 9

EUPHORBIA x martinii ''Red Martin''

7 - 9

FUCHSIA  'Genii'

7 - 9

FUCHSIA  'Grayrigg'

7 - 9

FUCHSIA  'Isis'

7 - 9

FUCHSIA  'Lady Boothby'

7 - 9

FUCHSIA  'Lechlade Magician'

7 - 9

FUCHSIA  'Nikola Jane'

7 - 9

FUCHSIA  'Preston Guild'

7 - 9

FUCHSIA magellanica var. molinae

7 - 9

FUCHSIA magellenica 'Hawkshead'

7 - 9

FUCHSIA regia ssp. Regia

7 - 9

HEBE cupressoides 'Boughton's Dome'

7 - 9

IRIS foetidus

7 - 9

IRIS foetidus 'Variegata'

7 - 9

LAVATERA  'Red Rum'

7 - 9

LYSIMACHIA congestiflora 'Persian Chocolate'

7 - 9

MECONOPSIS napaulensis

7 - 9

PENSTEMON  'Raven'

7 - 9

PENSTEMON  'Ruby'

7 - 9

PENSTEMON  'Thorn'

7 - 9

PENSTEMON campanulatus 'Ghent'

7 - 9

PENSTEMON heterophyllus 'Margarita Bop'

7 - 9

SALVIA coahuilensis 'Purple Ginny'

7 - 9

SALVIA greggii 'Dark Dancer'

7 - 9

SALVIA greggii 'Flame'

7 - 9

SALVIA greggii 'San Takao'

7 - 9

SALVIA gregii 'Desert Blaze'

7 - 9

SALVIA gregii 'Navajo Salmon Red'

7 - 9

SALVIA gregii 'Nuevo Leon'

7 - 9

SALVIA guaranitica 'Black and Blue'

7 - 9

SCHIZOSSTYLIS coccinea

7 - 9

SCHIZOSTYLIS coccinea 'Pallida'

7 - 10

ACANTHUS  'Tasmanian Angel'

7 - 10

AGAPANTHUS  'Snow Pixie'

7 - 10

AGAPANTHUS  'Storm Cloud'

7 - 10

DAPHNE tangutica

7 - 10

EUPHORBIA  'Royal Velvet'

7 - 10

EUPHORBIA amygdaloides 'Orange Grove'

7 - 10

EUPHORBIA characias 'Lambrook Gold'

7 - 10

LEYCESTERIA formosa

7 - 10

PARAHEBE catarractae

7 - 10

PENSTEMON  'Firebird'

7 - 10

PENSTEMON  'Midnight'

7 - 10

PENSTEMON  'Port Wine'

7 - 10

ROSMARINUS officinalis 'Gold Form'

7 - 10

SALVIA chamaedryoides

7 - 10

SALVIA guaranitica

7 - 10

SALVIA microphylla 'San Carlos Festival'

7 - 10

ZAUSCHNERIA californica

7 - 10

ZAUSCHNERIA californica 'Solidarity Pink'

7 - 10

ZAUSCHNERIA septentriondlis 'Mattole Select'

8 - 9

AGAPANTHUS  'Snowball'

8 - 9

CALCEOLARIA arachnoidea

8 - 9

CEANOTHUS griseus horizontalis 'Diamond Heights'

8 - 9

CONVOLVULUS sabatius

8 - 9

CYCLAMEN hederifolium

8 - 9

DIERAMA dracomontanum

8 - 9

DIERAMA igneum

8 - 9

DIERAMA pulcherrimum 'Blackbird Strain'

8 - 9

DIERAMA pulcherrium

8 - 9

DIERAMA pulcherriumum 'Slieve Donard Hybrids'

8 - 9

DIERAMA reynoldsii

8 - 9

DORYCNIUM hirsutum

8 - 9

HELLEBORUS lividus 'Elegance'

8 - 9

MYOSOTIDIUM hortensia

8 - 9

PHYGELIUS aequalis 'Sunshine'

8 - 9

PHYGELIUS x rectus 'Moonraker'

8 - 9

SALVIA sinaloensis

8 - 10

AGAPANTHUS africanus 'Peter Pan'

8 - 10

AGAPANTHUS praecox flore-pleno 'Two Times Blue'

8 - 10

ANOMATHECA laxa

8 - 10

CLERODENDRON bungeii

8 - 10

LAVATERA x clementii 'Barnsley Baby'

8 - 10

MELIANTHUS major

8 - 10

MELIANTHUS major 'Antonow's Blue'

8 - 10

PHYGELIUS  'Coral Princess'

8 - 10

PHYGELIUS  'Snow Queen'

8 - 10

PHYGELIUS x rectus 'Cherry Ripe'

8 - 10

ROSMARINUS  'Roman Beauty'

8 - 10

SALVIA chamaedryoides X S. microphylla

8 - 10

SALVIA luecantha 'Santa Barbara'

8 - 10

SALVIA microphylla 'La Foux'

8 - 10

SALVIA microphylla 'Red Velvet'

8 - 11

ABUTILON hybrid 'Melon Sorbet'

8 - 11

TEUCRIUM fruticans

8 - 10

PHYGELIUS  'Purple Prince'

8b - 10

STROBILANTHES isophyllus 'Alan Lacy'

8b - 11

BESCHORNERIA albiflora

9 - 10

SALVIA leucantha

9 - 11

ECHEVERIA  'Black Prince'

9 - 11

ECHEVERIA  'Silver Onion'

9 - 11

ECHEVERIA  'Silver Spoons'

9 - 11

ECHEVERIA species

9 - 11

PUYA alpestris

tender

AEONIUM arboreum 'Zwartkop'

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