Bloom month

Plants that bloom in September

1047 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 1,047 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 1,047 plants, 842 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

Plants for Pollinators Native Plants Fall-Blooming Perennials for Late-Season Color What to Plant in August

Clematis 'Evipo030'

Full sunZones 4–91.5 ftModerate

Listed as toxic to dogs and cats

Bishop of Llandaff

Dahlia 'Bishop of Llandaff'

Full sunZones 8–103.5 ftModerate

Listed as toxic to dogs and cats

Bishop's Children

Dahlia 'Bishop's Children'

Full sunZones 8–102.5 ftHigh

Listed as toxic to dogs and cats

Black Adder Agastache

Agastache 'Black Adder'

Full sunZones 6–112 ftLow

Black Diamond Red Hot

Lagerstroemia 'Black Diamond Red Hot'

Full sunZones 7–911 ftLow

Buddleia davidii 'Black Knight'

Full sunZones 5–96.5 ftLow

Black-Eyed Susan

Full sunZones 3–92.5 ftLow

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

Full sunZones 3–101.5 ftLow

Schizachyrium scoparium 'Blaze'

Full sunZones 3–92.5 ftLow

Blaze Climbing Rose

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

Chaenostoma cordatum

Part sunZones 9–116 inModerate

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 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

Full sunZones 5–104 ftModerate

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 8–101.5 ftModerate

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

Full sun12 inModerate1.5 ft wide

Blue Star Japanese Aster

Aster incisus 'Blue Star'

Full sunZones 5–81.5 ftModerate

Limonium sinuatum

Full sunZones 8–101.5 ftLow

Verbena hastata

Full sunZones 3–84 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

Thunbergia alata 'Blushing Susie'

Full sunZones 10–118 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 'Meidelweis'

Full sunZones 6–104 ftModerate

Celosia cristata 'Bombay Orange'

Full sun2 ftModerate1.5 ft wide

Begonia boliviensis 'Bonfire'

Part shade1.5 ftModerate1.5 ft wide

Listed as toxic to dogs and cats

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

Thunbergia alata 'Bright Eyes'

Full sunZones 10–118 ftModerate

Keep exploring

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