Bloom calendar

Plants for Zone 3 That Bloom in August

250 plants in the BloomsEye library that are hardy in USDA hardiness zone 3 and typically flower in August, such as Bee Balm, Blazing Star and Little Bluestem. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 121 to 180 of 250 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 250 plants, 201 have been checked against outside sources (14 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.

Full sunZones 3–86 ftModerate

Hollyhock 'Blacknight'

Alcea rosea 'Blacknight'

Full sunZones 2–115 ftModerate

Hollyhock 'Chater's Double'

Alcea rosea 'Chater's Double'

Full sunZones 3–96 ftModerate

Hollyhock 'Peach'

Alcea rosea 'Peach'

Full sunZones 2–115 ftModerate

Clethra alnifolia 'Hummingbird'

Part shadeZones 3–93 ftHigh

Hemerocallis 'Hyperion'

Full sunZones 3–93.5 ftModerate

Listed as toxic to dogs and cats

Veronica spicata 'Icicle'

Full sunZones 3–81.5 ftModerate

Incrediball Hydrangea

Hydrangea arborescens 'Abetwo'

Full sunZones 3–94.5 ftModerate

Listed as toxic to dogs and cats

Rudbeckia hirta 'Indian Summer'

Full sunZones 3–73 ftLow

Invincibelle Spirit II Hydrangea

Hydrangea arborescens 'NCHA2'

Part sunZones 3–83.5 ftModerate

Listed as toxic to dogs and cats

Monarda didyma 'Jacob Cline'

Full sunZones 3–94 ftModerate

Hemerocallis 'Joan Senior'

Full sunZones 3–92 ftModerate

Listed as toxic to dogs and cats

Dicentra 'King of Hearts'

Part shadeZones 3–910 inModerate

Listed as toxic to dogs and cats

Platycodon grandiflorus 'Komachi'

Full sunZones 3–81.5 ftModerate

Lavender Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Limelight Hydrangea

Hydrangea paniculata 'Limelight'

Full sunZones 3–87 ftModerate

Listed as toxic to dogs and cats

Little Bluestem

Schizachyrium scoparium

Full sunZones 3–93.5 ftLow

Little Lime Hydrangea

Hydrangea paniculata 'Jane'

Full sunZones 3–84 ftModerate

Listed as toxic to dogs and cats

Nepeta racemosa 'Little Titch'

Full sunZones 3–88 inLow

Luminary Ultraviolet

Phlox paniculata 'Ultraviolet'

Full sunZones 3–82.5 ftModerate

Echinacea purpurea 'Magnus'

Full sunZones 3–93 ftLow

Potentilla fruticosa 'Mango Tango'

Full sunZones 2–72 ftLow

Marshall's Delight

Monarda 'Marshall's Delight'

Full sunZones 3–93 ftModerate

Hylotelephium 'Matrona'

Full sunZones 3–92 ftLow

Potentilla fruticosa 'McKay's White'

Full sunZones 2–72.5 ftLow

Gaillardia × grandiflora 'Mesa Yellow'

Full sunZones 3–91.5 ftLow

Part sunZones 3–91.5 ftHigh

Listed as toxic to dogs and cats

Part sunZones 3–74 ftModerate

Listed as toxic to dogs and cats

Coreopsis verticillata 'Moonbeam'

Full sunZones 3–91.5 ftLow

Achillea 'Moonshine'

Full sunZones 3–91.5 ftLow

Listed as toxic to dogs and cats

Mountain Frost Ruby

Dianthus 'Mountain Frost Ruby Snow'

Full sunZones 3–910 inLow

Listed as toxic to dogs and cats

Hylotelephium 'Mr. Goodbud'

Full sunZones 3–91.5 ftLow

Hylotelephium spectabile 'Neon'

Full sunZones 3–91.5 ftLow

New England Aster

Symphyotrichum novae-angliae

Full sunZones 3–84 ftModerate

New England Aster 'Barr's Pink'

Symphyotrichum novae-angliae 'Barr's Pink'

Full sunZones 3–83.5 ftModerate

New England Aster 'Harrington's Pink'

Symphyotrichum novae-angliae 'Harrington's Pink'

Full sunZones 3–84 ftModerate

Alcea rosea 'Nigra'

Full sunZones 3–86 ftModerate

Northern Sea Oats

Chasmanthium latifolium

Part shadeZones 3–83.5 ftModerate

Full sunZones 3–93.5 ftModerate

Orange Coneflower

Echinacea 'Harvest Moon'

Full sunZones 3–82.5 ftModerate

Potentilla fruticosa 'Orange Whisper'

Full sunZones 2–72.5 ftLow

Oranges and Lemons

Gaillardia × grandiflora 'Oranges and Lemons'

Full sunZones 3–91.5 ftLow

Pacific Bleeding Heart

Dicentra formosa

Part shadeZones 3–91.5 ftModerate

Panicle Hydrangea

Hydrangea paniculata

Full sunZones 3–86.5 ftModerate

Listed as toxic to dogs and cats

Achillea millefolium 'Paprika'

Full sunZones 3–91.5 ftLow

Listed as toxic to dogs and cats

Hemerocallis 'Pardon Me'

Full sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Pardon My Cerise

Monarda didyma 'Pardon My Cerise'

Full sunZones 3–912 inModerate

Pardon My Purple

Monarda didyma 'Pardon My Purple'

Full sunZones 3–912 inModerate

Peach Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

PeeGee Hydrangea

Hydrangea paniculata 'Grandiflora'

Full sunZones 3–811 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–82.5 ftLow

Perennial Black-Eyed Susan

Rudbeckia fulgida

Full sunZones 3–92.5 ftModerate

Phantom Hydrangea

Hydrangea paniculata 'Phantom'

Full sunZones 3–86.5 ftModerate

Listed as toxic to dogs and cats

Pincushion Flower

Full sunZones 3–71.5 ftModerate

Potentilla fruticosa 'Pink Beauty'

Full sunZones 2–72.5 ftLow

Nepeta 'Pink Cat'

Full sunZones 3–81.5 ftLow

Veronica 'Pink Damask'

Full sunZones 3–81.5 ftModerate

Pink Damask Daylily

Hemerocallis 'Pink Damask'

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Clethra alnifolia 'Pink Spire'

Part shadeZones 3–96 ftHigh

Potentilla fruticosa 'Pink Whisper'

Full sunZones 2–72.5 ftLow

Keep exploring

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

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