Bloom calendar

Plants for Zone 4 That Bloom in August

453 plants in the BloomsEye library that are hardy in USDA hardiness zone 4 and typically flower in August, such as Bee Balm, Garden Phlox and Blazing Star. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 421 to 453 of 453 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 453 plants, 388 have been checked against outside sources (23 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.

Hylotelephium 'Thunderhead'

Full sunZones 3–92 ftLow

Lilium lancifolium

Full sunZones 3–94 ftModerate

Listed as toxic to cats

Echinacea 'Tomato Soup'

Full sunZones 4–92.5 ftLow

Tranquilite Clematis

Clematis 'Evipo111'

Part shadeZones 4–94.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 4–94.5 ftModerate

Listed as toxic to dogs and cats

Campsis radicans

Full sunZones 4–926 ftModerate

Phlomis russeliana

Full sunZones 4–93 ftLow

Part sunZones 3–83 ftHigh

Schizachyrium scoparium 'Twilight Zone'

Full sunZones 3–93.5 ftLow

Clethra alnifolia 'Caleb'

Part shadeZones 3–95 ftHigh

Vanilla Strawberry Hydrangea

Hydrangea paniculata 'Renhy'

Full sunZones 4–87 ftModerate

Listed as toxic to dogs and cats

Veronica spicata

Full sunZones 3–81.5 ftModerate

Clematis 'Evipo114'

Part shadeZones 4–93.5 ftModerate

Listed as toxic to dogs and cats

Clematis 'Ville de Lyon'

Full sunZones 4–910 ftModerate

Listed as toxic to dogs and cats

Salvia nemorosa 'Violet Riot'

Full sunZones 4–82 ftLow

Virginia Creeper

Parthenocissus quinquefolia

Full sunZones 3–940 ftModerate

Listed as toxic to dogs and cats

Astilbe chinensis 'Visions'

Part shadeZones 4–81.5 ftHigh

Nepeta 'Walker's Low'

Full sunZones 3–82 ftLow

White Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Phlox paniculata 'White Flame'

Full sunZones 4–81.5 ftModerate

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

Achillea millefolium

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Whorled Milkweed

Asclepias verticillata

Full sunZones 4–91.5 ftModerate

Listed as toxic to dogs and cats

Monarda fistulosa

Full sunZones 3–93 ftModerate

Symphyotrichum dumosum 'Wood's Pink'

Full sunZones 4–81.5 ftModerate

Symphyotrichum dumosum 'Wood's Purple'

Full sunZones 4–81.5 ftModerate

Full sunZones 3–92.5 ftLow

Listed as toxic to dogs and cats

Yellow Foxglove

Digitalis grandiflora

Part shadeZones 4–82.5 ftModerate

Listed as toxic to dogs and cats

Cotinus coggygria 'Young Lady'

Full sunZones 4–86 ftLow

Coreopsis verticillata 'Zagreb'

Full sunZones 3–91.5 ftLow

Zigzag Goldenrod

Solidago flexicaulis

Part shadeZones 3–82.5 ftModerate

Keep exploring

All zone 4 plants All plants blooming in August Zone 4 in July Zone 4 in September Zone 3 in August Zone 5 in August Bloom Calendar

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