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 721 to 780 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

Cosmos bipinnatus 'Purity'

Full sun4 ftLow1.5 ft wide

Purple Ageratum

Ageratum houstonianum

Full sunZones 10–1112 inModerate

Purple Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Purple Browallia

Browallia speciosa

Part shadeZones 9–111 ftModerate

Listed as toxic to dogs and cats

Purple Coneflower

Echinacea purpurea

Full sunZones 3–83 ftLow

Hemerocallis 'Purple de Oro'

Full sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Symphyotrichum novae-angliae 'Purple Dome'

Full sunZones 3–82 ftModerate

Hylotelephium 'Purple Emperor'

Full sunZones 3–91.5 ftLow

Purple Flowering Tobacco

Nicotiana alata

Part sunZones 10–113 ftModerate

Listed as toxic to dogs

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

Full sunZones 9–114 ftLow

Purple Geranium

Pelargonium 'Purple'

Full sun1.5 ftModerate1.5 ft wide

Listed as toxic to dogs and cats

Purple Globe Amaranth

Gomphrena globosa

Full sunZones 9–111.5 ftLow

Purple Moor Grass

Molinia caerulea

Full sunZones 5–82.5 ftModerate

Chrysanthemum 'Purple'

Full sunZones 5–92 ftModerate

Listed as toxic to dogs and cats

Purple Passionflower

Passiflora incarnata

Full sunZones 5–97 ftModerate

Listed as toxic to dogs and cats

Petunia 'Purple'

Full sun12 inModerate1.5 ft wide

Phlox paniculata 'Purple'

Full sunZones 4–83.5 ftModerate

Hibiscus syriacus 'Purple Pillar'

Full sunZones 5–910 ftModerate

Monarda 'Purple Rooster'

Full sunZones 3–93 ftModerate

Purple Snapdragon

Antirrhinum 'Purple'

Full sun2.5 ftModerate12 in wide

Purple Strawflower

Xerochrysum bracteatum

Full sunZones 8–112 ftLow

Purple Trailing

Lantana montevidensis

Full sunZones 9–111.5 ftLow

Listed as toxic to dogs and cats

Catharanthus roseus

Full sun12 inLow12 in wide

Listed as toxic to dogs and cats

Petunia 'Purple Wave'

Full sun8 inModerate2.5 ft wide

Zinnia elegans 'Purple'

Full sun2.5 ftModerate12 in wide

Nepeta 'Purrsian Blue'

Full sunZones 3–81.5 ftLow

Gomphrena haageana 'QIS Orange'

Full sunZones 9–111.5 ftLow

Queen Elizabeth

Rosa 'Queen Elizabeth'

Full sunZones 5–95 ftModerate

Queen Lime Orange

Zinnia elegans 'Queen Lime Orange'

Full sun2.5 ftModerate12 in wide

Queen of Sweden

Rosa 'Austiger'

Full sunZones 5–114 ftModerate

Quick Fire Hydrangea

Hydrangea paniculata 'Bulk'

Full sunZones 3–86 ftModerate

Listed as toxic to dogs and cats

Lantana camara 'Radiation'

Full sunZones 9–112.5 ftLow

Listed as toxic to dogs and cats

Raspberry Pentas

Pentas lanceolata

Full sunZones 10–111.5 ftModerate

Monarda 'Raspberry Wine'

Full sunZones 3–93.5 ftModerate

Rattlesnake Master

Eryngium yuccifolium

Full sunZones 3–94 ftModerate

Raydon's Favorite

Symphyotrichum oblongifolium 'Raydon's Favorite'

Full sunZones 3–82.5 ftLow

Potentilla fruticosa 'Red Ace'

Full sunZones 2–72 ftLow

Red Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Rosa 'Meidrason'

Full sunZones 6–910 ftModerate

Red Flowering Tobacco

Nicotiana alata

Part sunZones 10–112 ftModerate

Listed as toxic to dogs

Red Four O'Clock

Mirabilis jalapa

Full sunZones 9–112.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 9–1110 inLow

Gerbera jamesonii

Full sunZones 8–1112 inModerate

Hibiscus syriacus 'Red Heart'

Full sunZones 5–98 ftModerate

Impatiens walleriana

Full shade12 inHigh12 in wide

Red Marguerite Daisy

Full sunZones 9–111.5 ftModerate

Listed as toxic to dogs and cats

Tagetes patula 'Red'

Full sun12 inModerate12 in wide

Listed as toxic to dogs and cats

Chrysanthemum 'Red'

Full sunZones 5–92 ftModerate

Listed as toxic to dogs and cats

Red Passionflower

Passiflora coccinea

Full sunZones 10–1113 ftModerate

Pentas lanceolata

Full sunZones 10–111.5 ftModerate

Full sun12 inModerate1.5 ft wide

Portulaca grandiflora

Full sunZones 9–116 inLow

Lagerstroemia 'Red Rocket'

Full sunZones 7–1020 ftLow

Coreopsis 'Red Satin'

Full sunZones 5–91.5 ftLow

Antirrhinum 'Red'

Full sun2.5 ftModerate12 in wide

Red Strawflower

Xerochrysum bracteatum

Full sunZones 8–112 ftLow

Red Tropical Hibiscus

Hibiscus rosa-sinensis

Full sunZones 9–115 ftModerate

Verbena × hybrida

Full sunZones 9–1110 inModerate

Catharanthus roseus

Full sun12 inLow12 in wide

Listed as toxic to dogs and cats

Red-Flowered Buckwheat

Eriogonum grande var. rubescens

Full sunZones 8–1012 inLow

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