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 61 to 120 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.

Bloomerang Purpink Reblooming Lilac

Syringa pubescens 'SMNSPTP'

Full sunZones 3–74 ftModerate

Bloomerang Purple

Syringa 'Bloomerang Purple'

Full sunZones 3–75 ftModerate

Bloomerang Showmound Lilac

Syringa pubescens 'SMNSPWF'

Full sunZones 3–72.5 ftModerate

Blue Glow Globe Thistle

Echinops bannaticus 'Blue Glow'

Full sunZones 3–83.5 ftModerate

Salvia × sylvestris 'Blauhügel'

Full sunZones 4–81.5 ftLow

Blue Ivory Hosta

Hosta 'Blue Ivory'

Part shadeZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Blue Jean Baby Russian Sage

Salvia yangii 'Blue Jean Baby'

Full sunZones 4–82.5 ftLow

Salvia nemorosa 'Blue Marvel'

Full sunZones 4–91.5 ftLow

Delphinium grandiflorum 'Blue Mirror'

Full sunZones 3–71.5 ftModerate

Listed as toxic to dogs and cats

Phlox paniculata 'Blue Paradise'

Full sunZones 4–83.5 ftModerate

Blue Stocking Bee Balm

Monarda 'Blaustrumpf'

Full sunZones 4–83 ftModerate

Blue Waterfall Bellflower

Campanula poscharskyana 'Camgood'

Full sunZones 4–78 inModerate

Nepeta × faassenii 'Blue Wonder'

Full sunZones 3–81.5 ftLow

Blue Wood Aster

Symphyotrichum cordifolium

Part shadeZones 3–83 ftModerate

Blue-Stemmed Goldenrod

Solidago caesia

Part shadeZones 4–82.5 ftModerate

Hydrangea paniculata 'Ilvobo'

Full sunZones 3–82.5 ftModerate

Listed as toxic to dogs and cats

Rosa 'Meidomonac'

Full sunZones 4–93.5 ftModerate

Bottle Rocket Ligularia

Ligularia 'Bottle Rocket'

Part shadeZones 4–62.5 ftModerate

Boulevard Edda Clematis

Clematis 'Evipo074'

Full sunZones 4–93.5 ftModerate

Listed as toxic to dogs and cats

Boulevard Ravel Clematis

Clematis 'Evipo122'

Full sunZones 4–94.5 ftModerate

Listed as toxic to dogs and cats

Phlox paniculata 'Bright Eyes'

Full sunZones 4–83 ftModerate

Brilliant Sedum

Hylotelephium spectabile 'Brilliant'

Full sunZones 3–91.5 ftLow

Bronze Wave Coral Bells

Heuchera villosa 'Bronze Wave'

Part shadeZones 3–82 ftModerate

Geranium 'Brookside'

Part sunZones 4–81.5 ftModerate

Brown-Eyed Susan

Rudbeckia triloba

Full sunZones 4–83.5 ftModerate

Bubblegum Pink Garden Phlox

Phlox paniculata 'Ditomfra'

Full sunZones 3–82.5 ftModerate

Bouteloua dactyloides

Full sunZones 4–88 inLow

Gaillardia × grandiflora 'Burgundy'

Full sunZones 3–92 ftLow

Buttered Popcorn Daylily

Hemerocallis 'Buttered Popcorn'

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Butterfly Blue Pincushion Flower

Scabiosa columbaria 'Butterfly Blue'

Full sunZones 3–91.5 ftModerate

Asclepias tuberosa

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Full sunZones 3–73 ftModerate

Captain Kirk Hosta

Hosta 'Captain Kirk'

Part shadeZones 3–82.5 ftModerate

Listed as toxic to dogs and cats

Salvia nemorosa 'Caradonna'

Full sunZones 4–82 ftLow

Cardinal Flower

Lobelia cardinalis

Part sunZones 3–93.5 ftHigh

Listed as toxic to dogs and cats

Nepeta 'Cat's Meow'

Full sunZones 3–81.5 ftLow

Cat's Pajamas Catmint

Nepeta 'Cat's Pajamas'

Full sunZones 3–812 inLow

Catherine Woodbery

Hemerocallis 'Catherine Woodbery'

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–81.5 ftLow

Nepeta × faassenii 'Catwalk Queen'

Full sunZones 3–812 inLow

Achillea millefolium 'Cerise Queen'

Full sunZones 3–92 ftLow

Listed as toxic to dogs and cats

Chater's Double Red

Alcea rosea 'Chater's Double Red'

Full sunZones 3–86 ftModerate

Chater's Double Violet

Alcea rosea 'Chater's Double Violet'

Full sunZones 3–86 ftModerate

Chater's Double White

Alcea rosea 'Chater's Double White'

Full sunZones 3–106 ftModerate

Chater's Double Yellow

Alcea rosea 'Chater's Double Yellow'

Full sunZones 3–86 ftModerate

Cherries Jubilee Hens and Chicks

Sempervivum 'Alanka'

Full sunZones 3–84 inLow

Cherry Berries Wintergreen

Gaultheria procumbens 'Gaulsidh5'

Part shadeZones 3–88 inModerate

Listed as toxic to cats

Cherry Choco Latte

Hibiscus 'Cherry Choco Latte'

Full sunZones 4–94 ftHigh

Cherry on Top Sorbaria

Sorbaria sorbifolia 'Bococot'

Full sunZones 2–105 ftModerate

Cheyenne Spirit

Echinacea 'Cheyenne Spirit'

Full sunZones 4–92 ftLow

Hemerocallis 'Chicago Apache'

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Chick Charms Appletini Hens & Chicks

Sempervivum 'Reinhard'

Full sunZones 3–84 inLow

Chick Charms Autumn Apple Hens and Chicks

Sempervivum 'Dakota'

Full sunZones 4–84 inLow

Chick Charms Berry Bomb Hens & Chicks

Sempervivum 'Director Jacobs'

Full sunZones 3–84 inLow

Chick Charms Cranberry Cocktail Hens & Chicks

Sempervivum 'Killer'

Full sunZones 4–94 inLow

Chick Charms Giant Emerald Explosion Hens and Chicks

Sempervivum 'Gee2022'

Full sunZones 3–84 inLow

Chick Charms Giants Copper Canyon Hens and Chicks

Sempervivum 'Copper Canyon'

Full sunZones 3–84 inLow

Chick Charms Gold Crown Hens and Chicks

Sempervivum 'Gold Crown'

Full sunZones 3–84 inLow

Chick Charms Gold Dust Hens and Chicks

Sempervivum 'Ccgd2026'

Full sunZones 3–84 inLow

Chick Charms Mint Chocolate Chips Hens and Chicks

Sempervivum 'Mint Chocolate Chip'

Full sunZones 3–84 inLow

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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