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 181 to 240 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.

Pinky Winky Hydrangea

Hydrangea paniculata 'DVP Pinky'

Full sunZones 3–97 ftModerate

Listed as toxic to dogs and cats

Achillea millefolium 'Pomegranate'

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Potentilla fruticosa

Full sunZones 2–73 ftLow

PowWow Wild Berry

Echinacea 'PowWow Wild Berry'

Full sunZones 3–82 ftLow

Prairie Blazing Star

Liatris pycnostachya

Full sunZones 3–93.5 ftModerate

Prairie Dropseed Grass

Sporobolus heterolepis

Full sunZones 3–92.5 ftLow

Rudbeckia hirta 'Prairie Sun'

Full sunZones 3–82.5 ftModerate

Purple Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Astilbe chinensis 'Purpurlanze'

Part shadeZones 3–83.5 ftHigh

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

Hylotelephium 'Purple Emperor'

Full sunZones 3–91.5 ftLow

Purple Prairie Clover

Full sunZones 3–82 ftModerate

Monarda 'Purple Rooster'

Full sunZones 3–93 ftModerate

Veronica 'Purpleicious'

Full sunZones 3–81.5 ftModerate

Nepeta 'Purrsian Blue'

Full sunZones 3–81.5 ftLow

Quick Fire Hydrangea

Hydrangea paniculata 'Bulk'

Full sunZones 3–86 ftModerate

Listed as toxic to dogs and cats

Monarda 'Raspberry Wine'

Full sunZones 3–93.5 ftModerate

Rattlesnake Master

Eryngium yuccifolium

Full sunZones 3–94 ftModerate

Potentilla fruticosa 'Red Ace'

Full sunZones 2–72 ftLow

Red Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Trifolium pratense

Full sunZones 3–91.5 ftModerate

Veronica spicata 'Rotfuchs'

Full sunZones 3–81.5 ftModerate

Achillea millefolium 'Red Velvet'

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Chasmanthium latifolium 'River Mist'

Part shadeZones 3–83 ftModerate

Rosebay Rhododendron

Rhododendron maximum

Part shadeZones 3–711 ftModerate

Listed as toxic to dogs and cats

Veronica spicata 'Royal Candles'

Full sunZones 3–81.5 ftModerate

Clethra alnifolia 'Ruby Spice'

Part shadeZones 3–96 ftHigh

Hemerocallis 'Ruby Stella'

Full sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Saucy Seduction

Achillea millefolium 'Saucy Seduction'

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Sentimental Blue

Platycodon grandiflorus 'Sentimental Blue'

Full sunZones 3–88 inModerate

Shadowland Autumn Frost

Hosta 'Autumn Frost'

Part shadeZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Asclepias speciosa

Full sunZones 3–93 ftModerate

Six Hills Giant

Nepeta 'Six Hills Giant'

Full sunZones 3–82.5 ftLow

Sixteen Candles

Clethra alnifolia 'Sixteen Candles'

Part shadeZones 3–94 ftHigh

Smooth Hydrangea

Hydrangea arborescens

Part shadeZones 3–94 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–83.5 ftModerate

Veronica 'Snow Candles'

Full sunZones 3–81.5 ftModerate

Monarda 'Schneewittchen'

Full sunZones 3–93 ftModerate

Nepeta racemosa 'Snowflake'

Full sunZones 3–812 inLow

Part sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Astilbe simplicifolia 'Sprite'

Part shadeZones 3–812 inHigh

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 Candy

Hemerocallis 'Strawberry Candy'

Full sunZones 3–92 ftModerate

Listed as toxic to dogs and cats

Strawberry Sundae Hydrangea

Hydrangea paniculata 'Rensun'

Full sunZones 3–84.5 ftModerate

Listed as toxic to dogs and cats

Sugartina Crystalina

Clethra alnifolia 'Crystalina'

Part shadeZones 3–92.5 ftHigh

Clethra alnifolia

Part shadeZones 3–96 ftHigh

Sunny Border Blue

Veronica 'Sunny Border Blue'

Full sunZones 3–81.5 ftModerate

Sunny Seduction

Achillea 'Sunny Seduction'

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Asclepias incarnata

Full sunZones 3–93.5 ftModerate

Listed as toxic to dogs and cats

Potentilla fruticosa 'Tangerine'

Full sunZones 2–72.5 ftLow

Achillea 'Terracotta'

Full sunZones 3–92.5 ftLow

Listed as toxic to dogs and cats

Hylotelephium 'Thunderhead'

Full sunZones 3–92 ftLow

Lilium lancifolium

Full sunZones 3–94 ftModerate

Listed as toxic to cats

Part sunZones 3–83 ftHigh

Schizachyrium scoparium 'Twilight Zone'

Full sunZones 3–93.5 ftLow

Clethra alnifolia 'Caleb'

Part shadeZones 3–95 ftHigh

Veronica spicata

Full sunZones 3–81.5 ftModerate

Virginia Creeper

Parthenocissus quinquefolia

Full sunZones 3–940 ftModerate

Listed as toxic to dogs and cats

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

Design your garden

Drop plants onto a 3D plan, see how they fill in, and watch the whole garden bloom across the year.

Open BloomsEye Studio →