Bloom calendar

Plants for Zone 4 That Bloom in September

307 plants in the BloomsEye library that are hardy in USDA hardiness zone 4 and typically flower in September, such as Switchgrass, Toad Lily and Aster. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 61 to 120 of 307 plants

How this list is made

Derived from each plant's bloom months and USDA hardiness zones, as stored in the BloomsEye library, which was written with AI assistance. Of these 307 plants, 266 have been checked against outside sources (16 fully verified); the rest have not been checked yet, and each plant's own page says which. The cards are AI-generated illustrations. Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Brilliant Sedum

Hylotelephium spectabile 'Brilliant'

Full sunZones 3–91.5 ftLow

Brown-Eyed Susan

Rudbeckia triloba

Full sunZones 4–83.5 ftModerate

Brunette Bugbane

Actaea simplex (Atropurpurea Group) 'Brunette'

Part shadeZones 3–85 ftModerate

Listed as toxic to dogs and cats

Gaillardia × grandiflora 'Burgundy'

Full sunZones 3–92 ftLow

Buttered Popcorn Daylily

Hemerocallis 'Buttered Popcorn'

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Butterfly Blue Pincushion Flower

Scabiosa columbaria 'Butterfly Blue'

Full sunZones 3–91.5 ftModerate

Full sunZones 3–73 ftModerate

Salvia nemorosa 'Caradonna'

Full sunZones 4–82 ftLow

Cardinal Flower

Lobelia cardinalis

Part sunZones 3–93.5 ftHigh

Listed as toxic to dogs and cats

Nepeta 'Cat's Meow'

Full sunZones 3–81.5 ftLow

Cat's Pajamas Catmint

Nepeta 'Cat's Pajamas'

Full sunZones 3–812 inLow

Full sunZones 3–81.5 ftLow

Nepeta × faassenii 'Catwalk Queen'

Full sunZones 3–812 inLow

Cherry Choco Latte

Hibiscus 'Cherry Choco Latte'

Full sunZones 4–94 ftHigh

Cheyenne Spirit

Echinacea 'Cheyenne Spirit'

Full sunZones 4–92 ftLow

Chick Charms Powdered Pastry Hens and Chicks

Sempervivum 'Powdered Pastry'

Full sunZones 3–84 inLow

Chocolate Flower

Berlandiera lyrata

Full sunZones 4–101.5 ftLow

Cinnamon Hearts Rose

Rosa 'Vlr13003'

Full sunZones 3–92.5 ftModerate

Monarda fistulosa 'Claire Grace'

Full sunZones 3–93 ftModerate

Chrysanthemum 'Clara Curtis'

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 4–910 ftModerate

Listed as toxic to dogs and cats

Cloudburst Phlox

Phlox 'Cloudburst'

Full sunZones 4–82.5 ftModerate

Clustered Mountain Mint

Pycnanthemum muticum

Full sunZones 4–82.5 ftModerate

Echinacea 'Coconut Lime'

Full sunZones 4–92 ftLow

Common Black-Eyed Susan

Rudbeckia hirta

Full sunZones 3–92.5 ftModerate

Common Blanketflower

Gaillardia aristata

Full sunZones 3–82 ftModerate

Common Sneezeweed

Helenium autumnale

Full sunZones 3–84 ftHigh

Comtesse de Bouchaud

Clematis 'Comtesse de Bouchaud'

Full sunZones 4–98 ftModerate

Listed as toxic to dogs and cats

Coral Drift Groundcover Rose

Rosa 'Meidrifora'

Full sunZones 4–111.5 ftModerate

Full sunZones 4–92 ftLow

Cranberry Crush

Hibiscus 'Cranberry Crush'

Full sunZones 4–93.5 ftHigh

Creeping Lilyturf

Liriope spicata

Part shadeZones 4–1012 inModerate

Crème Brûlée

Coreopsis verticillata 'Crème Brûlée'

Full sunZones 4–92 ftLow

Crimson Trumpet

Campsis radicans 'Crimson Trumpet'

Full sunZones 4–926 ftModerate

Phlox paniculata 'David'

Full sunZones 4–83.5 ftModerate

Deam's Black-Eyed Susan

Rudbeckia fulgida var. deamii

Full sunZones 4–92.5 ftModerate

Denim 'n Lace Russian Sage

Salvia yangii 'Denim 'n Lace'

Full sunZones 4–92.5 ftLow

Dense Blazing Star

Liatris spicata

Full sunZones 3–83.5 ftModerate

Deschampsia Goldtau Grass

Deschampsia cespitosa 'Goldtau'

Part shadeZones 4–91.5 ftModerate

Desert Four O'Clock

Mirabilis multiflora

Full sunZones 4–81.5 ftLow

Clematis 'Doctor Ruppel'

Part shadeZones 4–910 ftModerate

Listed as toxic to dogs and cats

Dotted Blazing Star

Liatris punctata

Full sunZones 3–91.5 ftLow

Double Coded Raspberry Beret Coneflower

Echinacea 'Raspberry Beret'

Full sunZones 4–81.5 ftModerate

Double Dipped Raspberry Ripple Coneflower

Echinacea 'Raspberry Ripple'

Full sunZones 4–82 ftModerate

Double Scoop Raspberry

Echinacea 'Balsceras'

Full sunZones 4–92 ftLow

Dragon Baby Hardy Hydrangea

Hydrangea paniculata 'Hylv17522'

Part shadeZones 3–83 ftModerate

Listed as toxic to dogs and cats

Rosa 'Meijocos'

Full sunZones 4–111.5 ftModerate

Nepeta 'Early Bird'

Full sunZones 3–81.5 ftLow

Coreopsis grandiflora 'Early Sunrise'

Full sunZones 4–91.5 ftLow

Easy Bee-zy Knock Out Rose

Rosa 'Srpylwko'

Full sunZones 4–103.5 ftModerate

Easy Elegance Kashmir Rose

Full sunZones 4–93.5 ftModerate

Easy Elegance My Girl Shrub Rose

Full sunZones 4–94 ftModerate

Easy Elegance Oscar Peterson Rose

Full sunZones 3–83 ftModerate

Easy Elegance Paint the Town Rose

Full sunZones 4–92.5 ftModerate

Easy Elegance Sunrise Sunset Rose

Full sunZones 4–92.5 ftModerate

Endless Summer Summer Crush Hydrangea

Hydrangea macrophylla 'Bailmacfive'

Part shadeZones 4–92.5 ftModerate

Listed as toxic to dogs and cats

Clematis 'Ernest Markham'

Full sunZones 4–911 ftModerate

Listed as toxic to dogs and cats

Rosa 'Ausegdon'

Full sunZones 4–114 ftModerate

False Sunflower

Full sunZones 3–94 ftModerate

Fire Light Hydrangea

Hydrangea paniculata 'SMHPFL'

Full sunZones 3–86 ftModerate

Listed as toxic to dogs and cats

Keep exploring

All zone 4 plants All plants blooming in September Zone 4 in August Zone 4 in October Zone 3 in September Zone 5 in September Bloom Calendar

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