Bloom calendar

Plants for Zone 3 That Bloom in September

148 plants in the BloomsEye library that are hardy in USDA hardiness zone 3 and typically flower in September, such as Little Bluestem, Aster and Goldenrod. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 121 to 148 of 148 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 148 plants, 123 have been checked against outside sources (9 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.

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

Chasmanthium latifolium 'River Mist'

Part shadeZones 3–83 ftModerate

Hemerocallis 'Ruby Stella'

Full sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Six Hills Giant

Nepeta 'Six Hills Giant'

Full sunZones 3–82.5 ftLow

Smooth Hydrangea

Hydrangea arborescens

Part shadeZones 3–94 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–83.5 ftModerate

Symphyotrichum ericoides 'Snow Flurry'

Full sunZones 3–88 inLow

Monarda 'Schneewittchen'

Full sunZones 3–93 ftModerate

Hemerocallis 'Stella de Oro'

Full sunZones 3–912 inModerate

Listed as toxic to dogs and cats

Stiff Goldenrod

Solidago rigida

Full sunZones 3–93.5 ftModerate

Strawberry Sundae Hydrangea

Hydrangea paniculata 'Rensun'

Full sunZones 3–84.5 ftModerate

Listed as toxic to dogs and cats

Sunny Border Blue

Veronica 'Sunny Border Blue'

Full sunZones 3–81.5 ftModerate

Potentilla fruticosa 'Tangerine'

Full sunZones 2–72.5 ftLow

Hylotelephium 'Thunderhead'

Full sunZones 3–92 ftLow

Part sunZones 3–83 ftHigh

Schizachyrium scoparium 'Twilight Zone'

Full sunZones 3–93.5 ftLow

Nepeta 'Walker's Low'

Full sunZones 3–82 ftLow

White Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Echinacea purpurea 'White Swan'

Full sunZones 3–92.5 ftLow

White Turtlehead

Part shadeZones 3–83 ftHigh

White Wood Aster

Eurybia divaricata

Part shadeZones 3–82 ftModerate

Monarda fistulosa

Full sunZones 3–93 ftModerate

Full sunZones 3–92.5 ftLow

Listed as toxic to dogs and cats

Coreopsis verticillata 'Zagreb'

Full sunZones 3–91.5 ftLow

Zigzag Goldenrod

Solidago flexicaulis

Part shadeZones 3–82.5 ftModerate

Keep exploring

All zone 3 plants All plants blooming in September Zone 3 in August Zone 3 in October Zone 2 in September Zone 4 in September Bloom Calendar

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