Bloom month
Plants that bloom in September
985 garden plants from the BloomsEye library that are typically in flower during September. Plan for reliable color in September and keep your borders from going quiet.
Showing 121 to 180 of 985 plants
How this list is made
Derived from each plant's bloom months, as stored in the BloomsEye library, which was written with AI assistance. Of these 985 plants, 616 have been checked against outside sources (38 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.
Related guides

Black-Eyed Susan Vine
Thunbergia alata
Full sunZones 10–118 ftModerate

Blackberry Merlot Hibiscus
Hibiscus 'Blackberry Merlot'
Full sunZones 4–94.5 ftModerate

Blackfoot Daisy
Melampodium leucanthum
Full sunZones 4–1112 inLow

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

Blanket Flower
Gaillardia
Full sunZones 3–101.5 ftLow

Blaze
Schizachyrium scoparium 'Blaze'
Full sunZones 3–92.5 ftLow

Blaze Climbing Rose
Rosa 'Blaze'
Full sunZones 6–811 ftModerate

Blazeaway Heather
Calluna vulgaris 'Blazeaway'
Full sunZones 4–81.5 ftModerate

Bloom-A-Thon Pink Double
Rhododendron 'RLH1-2P8'
Part sunZones 6–94 ftModerate
Listed as toxic to dogs and cats

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

Blue Bacopa
Chaenostoma cordatum
Part sunZones 9–116 inModerate

Blue Bird
Hibiscus syriacus 'Oiseau Bleu'
Full sunZones 5–98 ftModerate

Blue Chiffon
Hibiscus syriacus 'Blue Chiffon'
Full sunZones 5–98 ftModerate

Blue Chip
Buddleia 'Lo & Behold Blue Chip'
Full sunZones 5–92.5 ftLow

Blue Crown Passionflower
Passiflora caerulea
Full sunZones 6–913 ftModerate
Listed as toxic to dogs and cats

Blue Fan Flower
Scaevola aemula
Full sunZones 10–118 inModerate

Blue Fortune Agastache
Agastache 'Blue Fortune'
Full sunZones 5–103 ftModerate

Blue Girl
Rosa 'Korgi'
Full sunZones 5–104 ftModerate

Blue Horizon
Ageratum houstonianum 'Blue Horizon'
Full sunZones 10–112 ftModerate

Blue Jean Baby Russian Sage
Salvia yangii 'Blue Jean Baby'
Full sunZones 4–82.5 ftLow

Blue Lisianthus
Eustoma grandiflorum
Full sunZones 8–111.5 ftModerate

Blue Marvel
Salvia nemorosa 'Blue Marvel'
Full sunZones 4–91.5 ftLow

Blue Mistflower
Conoclinium coelestinum
Part shadeZones 5–102 ftModerate

Blue Paradise
Phlox paniculata 'Blue Paradise'
Full sunZones 4–83.5 ftModerate

Blue Petunia
Petunia 'Blue'
Full sun12 inModerate1.5 ft wide

Blue Star Japanese Aster
Aster incisus 'Blue Star'
Full sunZones 5–81.5 ftModerate

Blue Statice
Limonium sinuatum
Full sunZones 8–111.5 ftLow

Blue Wood Aster
Symphyotrichum cordifolium
Part shadeZones 3–83 ftModerate

Blue-Stemmed Goldenrod
Solidago caesia
Part shadeZones 4–82.5 ftModerate

Bluebeard
Caryopteris × clandonensis
Full sunZones 5–92.5 ftModerate

Blueberry Pie Butterfly Bush
Buddleia 'PODARASNGA 9-15'
Full sunZones 5–92.5 ftModerate

Blushing Bride
Hibiscus syriacus 'Blushing Bride'
Full sunZones 5–98 ftModerate

Blushing Drift Rose
Rosa 'Meifranjin'
Full sunZones 5–111.5 ftLow

Blushing Knock Out Rose
Rosa 'Radyod'
Full sunZones 5–83.5 ftModerate

Blushing Susie
Thunbergia alata 'Blushing Susie'
Full sunZones 10–118 ftModerate

Bobo Hydrangea
Hydrangea paniculata 'Ilvobo'
Full sunZones 3–82.5 ftModerate
Listed as toxic to dogs and cats

Bolero
Rosa 'Meidelweis'
Full sunZones 5–93.5 ftModerate

Bolero Rose
Rosa 'Meidelweis'
Full sunZones 6–104 ftModerate

Bombay Orange
Celosia cristata 'Bombay Orange'
Full sun2 ftModerate1.5 ft wide

Bonfire
Begonia boliviensis 'Bonfire'
Part shade1.5 ftModerate1.5 ft wide
Listed as toxic to dogs and cats

Bonica
Rosa 'Meidomonac'
Full sunZones 4–93.5 ftModerate

Boscobel
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

Bright Eyes
Thunbergia alata 'Bright Eyes'
Full sunZones 10–118 ftModerate

Bright Eyes
Phlox paniculata 'Bright Eyes'
Full sunZones 4–83 ftModerate

Bright Lights
Cosmos sulphureus 'Bright Lights'
Full sun3 ftLow1.5 ft wide

Brilliant Sedum
Hylotelephium spectabile 'Brilliant'
Full sunZones 3–91.5 ftLow

Bronze Gazania
Gazania rigens
Full sunZones 9–1110 inLow

Bronze Mum
Chrysanthemum 'Bronze'
Full sunZones 5–92 ftModerate
Listed as toxic to dogs and cats

Bronze Snapdragon
Antirrhinum 'Bronze'
Full sun2.5 ftModerate12 in wide

Browallia
Browallia speciosa
Part shadeZones 10–111 ftModerate
Listed as toxic to dogs and cats

Brown-Eyed Susan
Rudbeckia triloba
Full sunZones 4–83.5 ftModerate
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Design your garden
Drop plants onto a 3D plan, see how they fill in, and watch the whole garden bloom across the year.