Bloom calendar

Plants for Zone 5 That Bloom in September

496 plants in the BloomsEye library that are hardy in USDA hardiness zone 5 and typically flower in September, such as Switchgrass, Toad Lily and Garden Mum. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 61 to 120 of 496 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 496 plants, 421 have been checked against outside sources (21 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.

Blackhawks Big Bluestem

Andropogon gerardi 'Blackhawks'

Full sunZones 4–95 ftLow

Blackjack Gold Black-Eyed Susan

Rudbeckia triloba 'Blackjack Gold'

Full sunZones 3–83.5 ftModerate

Blanc Double de Coubert Rose

Rosa 'Blanc Double de Coubert'

Full sunZones 4–95.5 ftModerate

Full sunZones 3–101.5 ftLow

Schizachyrium scoparium 'Blaze'

Full sunZones 3–92.5 ftLow

Blazeaway Heather

Calluna vulgaris 'Blazeaway'

Full sunZones 4–81.5 ftModerate

Bloomerang Ballet Reblooming Lilac

Syringa pubescens 'SMNSPH'

Full sunZones 3–74 ftModerate

Bloomerang Dark Purple Lilac

Syringa 'SMSJBP7'

Full sunZones 3–75 ftModerate

Bloomerang Purpink Reblooming Lilac

Syringa pubescens 'SMNSPTP'

Full sunZones 3–74 ftModerate

Bloomerang Purple

Syringa 'Bloomerang Purple'

Full sunZones 3–75 ftModerate

Bloomerang Showmound Lilac

Syringa pubescens 'SMNSPWF'

Full sunZones 3–72.5 ftModerate

BloomStruck Hydrangea

Hydrangea macrophylla 'PIIHM-II'

Part shadeZones 5–93.5 ftModerate

Listed as toxic to dogs and cats

Hibiscus syriacus 'Oiseau Bleu'

Full sunZones 5–98 ftModerate

Hibiscus syriacus 'Blue Chiffon'

Full sunZones 5–98 ftModerate

Buddleia 'Lo & Behold Blue Chip'

Full sunZones 5–92.5 ftLow

Blue Fortune Agastache

Agastache 'Blue Fortune'

Full sunZones 5–103 ftModerate

Full sunZones 5–104 ftModerate

Blue Jean Baby Russian Sage

Salvia yangii 'Blue Jean Baby'

Full sunZones 4–82.5 ftLow

Salvia nemorosa 'Blue Marvel'

Full sunZones 4–91.5 ftLow

Blue Mistflower

Conoclinium coelestinum

Part shadeZones 5–102 ftModerate

Phlox paniculata 'Blue Paradise'

Full sunZones 4–83.5 ftModerate

Blue Star Japanese Aster

Aster incisus 'Blue Star'

Full sunZones 5–81.5 ftModerate

Blue Wood Aster

Symphyotrichum cordifolium

Part shadeZones 3–83 ftModerate

Blue-Stemmed Goldenrod

Solidago caesia

Part shadeZones 4–82.5 ftModerate

Caryopteris × clandonensis

Full sunZones 5–92.5 ftModerate

Blueberry Pie Butterfly Bush

Buddleia 'PODARASNGA 9-15'

Full sunZones 5–92.5 ftModerate

Hibiscus syriacus 'Blushing Bride'

Full sunZones 5–98 ftModerate

Blushing Drift Rose

Rosa 'Meifranjin'

Full sunZones 5–111.5 ftLow

Blushing Knock Out Rose

Full sunZones 5–83.5 ftModerate

Hydrangea paniculata 'Ilvobo'

Full sunZones 3–82.5 ftModerate

Listed as toxic to dogs and cats

Rosa 'Meidelweis'

Full sunZones 5–93.5 ftModerate

Rosa 'Meidomonac'

Full sunZones 4–93.5 ftModerate

Rosa 'Auscousin'

Full sunZones 5–104 ftModerate

Boulevard Edda Clematis

Clematis 'Evipo074'

Full sunZones 4–93.5 ftModerate

Listed as toxic to dogs and cats

Boulevard Ravel Clematis

Clematis 'Evipo122'

Full sunZones 4–94.5 ftModerate

Listed as toxic to dogs and cats

Phlox paniculata 'Bright Eyes'

Full sunZones 4–83 ftModerate

Brilliant Sedum

Hylotelephium spectabile 'Brilliant'

Full sunZones 3–91.5 ftLow

Chrysanthemum 'Bronze'

Full sunZones 5–92 ftModerate

Listed as toxic to dogs and cats

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

Chrysanthemum 'Burgundy'

Full sunZones 5–92 ftModerate

Listed as toxic to dogs and cats

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

Buddleia davidii

Full sunZones 5–96.5 ftLow

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

Full sunZones 5–104 ftModerate

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

Cécile Brünner

Rosa 'Cécile Brünner'

Full sunZones 5–103 ftModerate

Full sunZones 5–103.5 ftModerate

Rudbeckia hirta 'Cherry Brandy'

Full sunZones 5–92 ftLow

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

Keep exploring

All zone 5 plants All plants blooming in September Zone 5 in August Zone 5 in October Zone 4 in September Zone 6 in September Bloom Calendar

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