Bloom calendar

Plants for Zone 4 That Bloom in May

479 plants in the BloomsEye library that are hardy in USDA hardiness zone 4 and typically flower in May, such as False Indigo, Peony and Tulip. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 61 to 120 of 479 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 479 plants, 393 have been checked against outside sources (29 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 Dark Purple Lilac

Syringa 'SMSJBP7'

Full sunZones 3–75 ftModerate

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 Blaze Viburnum

Viburnum dentatum 'Blubzam'

Full sunZones 3–85 ftModerate

Blue Canterbury Bells

Campanula medium

Full sunZones 4–102.5 ftModerate

Salvia × sylvestris 'Blauhügel'

Full sunZones 4–81.5 ftLow

Blue Ice Blue Star

Amsonia 'Blue Ice'

Full sunZones 4–91.5 ftModerate

Listed as toxic to dogs and cats

Baptisia australis

Full sunZones 3–93.5 ftModerate

Listed as toxic to cats

Consolida ajacis

Full sunZones 2–113 ftModerate

Listed as toxic to dogs and cats

Salvia nemorosa 'Blue Marvel'

Full sunZones 4–91.5 ftLow

Blue Moon Wisteria

Wisteria macrostachya 'Blue Moon'

Full sunZones 3–920 ftModerate

Listed as toxic to dogs and cats

Blue Moon Woodland Phlox

Phlox divaricata 'Blue Moon'

Part shadeZones 4–812 inModerate

Blue Muffin Viburnum

Viburnum dentatum 'Christom'

Full sunZones 3–86 ftModerate

Blue Prince Holly

Ilex × meserveae 'Blue Prince'

Full sunZones 4–710 ftModerate

Listed as toxic to dogs and cats

Tulipa 'Blue Spectacle'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Blue Waterfall Bellflower

Campanula poscharskyana 'Camgood'

Full sunZones 4–78 inModerate

Nepeta × faassenii 'Blue Wonder'

Full sunZones 3–81.5 ftLow

Full sunZones 4–93 ftModerate

Listed as toxic to dogs and cats

Bobee Northern Bayberry

Myrica pensylvanica 'Bobzam'

Full sunZones 3–76 ftModerate

Rosa 'Meidomonac'

Full sunZones 4–93.5 ftModerate

Rhododendron 'Boule de Neige'

Part shadeZones 4–84 ftModerate

Listed as toxic to dogs and cats

Boulevard Edda Clematis

Clematis 'Evipo074'

Full sunZones 4–93.5 ftModerate

Listed as toxic to dogs and cats

Boursault Rhododendron

Rhododendron 'Catawbiense Boursault'

Part shadeZones 4–86 ftModerate

Listed as toxic to dogs and cats

Paeonia 'Bowl of Beauty'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Spiraea × vanhouttei

Full sunZones 3–86 ftModerate

Dianthus deltoides 'Brilliant'

Full sunZones 3–98 inLow

Listed as toxic to dogs and cats

Brome-Like Sedge

Carex bromoides

Part shadeZones 4–81.5 ftModerate

Brunner 'Jack Frost'

Brunnera macrophylla 'Jack Frost'

Part shadeZones 3–81.5 ftModerate

Brunner 'Silver Heart'

Brunnera macrophylla 'Silver Heart'

Part shadeZones 3–81.5 ftModerate

Brunnera macrophylla

Part shadeZones 3–81.5 ftModerate

Bubbly Wine Weigela

Weigela florida 'FLORACLAR'

Full sunZones 4–82.5 ftModerate

Buckley's Quill Mock Orange

Philadelphus 'Buckley's Quill'

Full sunZones 4–85.5 ftModerate

Part shadeZones 3–96 inModerate

Cornus canadensis

Part shadeZones 2–68 inModerate

Viburnum × burkwoodii

Full sunZones 4–88 ftModerate

Dicentra 'Burning Hearts'

Part shadeZones 3–910 inModerate

Listed as toxic to dogs and cats

Butterfly Blue Pincushion Flower

Scabiosa columbaria 'Butterfly Blue'

Full sunZones 3–91.5 ftModerate

Digitalis purpurea 'Camelot Cream'

Part shadeZones 4–94 ftModerate

Listed as toxic to dogs and cats

Camelot Lavender

Digitalis purpurea 'Camelot Lavender'

Part shadeZones 4–84 ftModerate

Listed as toxic to dogs and cats

Digitalis purpurea 'Camelot Rose'

Part shadeZones 4–84 ftModerate

Listed as toxic to dogs and cats

Digitalis purpurea 'Camelot White'

Part shadeZones 4–84 ftModerate

Listed as toxic to dogs and cats

Canby's Mountain Lover

Paxistima canbyi

Part shadeZones 4–712 inModerate

Candy Cloud Pink Phlox

Phlox 'Balcloudink'

Full sunZones 4–81.5 ftModerate

Phlox subulata 'Candy Stripe'

Full sunZones 3–96 inLow

Iberis sempervirens

Full sunZones 3–810 inLow

Canterbury Bells

Campanula medium

Full sunZones 4–102.5 ftModerate

Salvia nemorosa 'Caradonna'

Full sunZones 4–82 ftLow

Carolina Allspice

Calycanthus floridus

Part shadeZones 4–97.5 ftModerate

Listed as toxic to dogs and cats

Carolina Lupine

Thermopsis villosa

Full sunZones 4–84 ftModerate

Carolina Moonlight

Baptisia 'Carolina Moonlight'

Full sunZones 4–94 ftLow

Listed as toxic to cats

Cat's Eye Dwarf Bearded Iris

Iris 'Cat's Eye'

Full sunZones 4–91.5 ftModerate

Listed as toxic to dogs and cats

Cat's Pajamas Catmint

Nepeta 'Cat's Pajamas'

Full sunZones 3–812 inLow

Full sunZones 3–81.5 ftLow

Celandine Poppy

Chelidonium diphyllum

Part shadeZones 4–91.5 ftModerate

Lupinus 'Chandelier'

Full sunZones 4–83 ftModerate

Listed as toxic to dogs and cats

Chantilly Lace Goatsbeard

Aruncus 'Chantilly Lace'

Part shadeZones 3–72.5 ftModerate

Syringa vulgaris 'Charles Joly'

Full sunZones 3–710 ftModerate

Fritillaria meleagris

Part sunZones 3–812 inModerate

Checkered Lily Alba

Fritillaria meleagris 'Alba'

Part sunZones 3–812 inModerate

Keep exploring

All zone 4 plants All plants blooming in May Zone 4 in April Zone 4 in June Zone 3 in May Zone 5 in May Bloom Calendar

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