Bloom month

Plants that bloom in May

1139 garden plants from the BloomsEye library that are typically in flower during May. Plan for reliable color in May and keep your borders from going quiet.

Showing 181 to 240 of 1,139 plants

How this list is made

Derived from each plant's bloom months, as stored in the BloomsEye library, which was written with AI assistance. Of these 1,139 plants, 971 have been checked against outside sources (51 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.

Related guides

Lilac Varieties Compared Ground Cover Plants

Broadleaf Stonecrop

Sedum spathulifolium

Full sunZones 5–94 inLow

Listed as toxic to dogs and cats

Brome-Like Sedge

Carex bromoides

Part shadeZones 4–81.5 ftModerate

Bronze Beauty Cleyera

Ternstroemia gymnanthera 'Conthery'

Part shadeZones 7–109 ftModerate

Bronze Snapdragon

Antirrhinum 'Bronze'

Full sun2.5 ftModerate12 in wide

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

Bubba Desert Willow

Chilopsis linearis 'Bubba'

Full sunZones 7–1039 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

Bunny Blue Sedge

Carex laxiculmis 'Hobb'

Part shadeZones 5–98 inModerate

Burgundy Geranium

Pelargonium 'Burgundy'

Full sun1.5 ftModerate1.5 ft wide

Listed as toxic to dogs and cats

Burgundy Petunia

Petunia 'Burgundy'

Full sun12 inModerate1.5 ft wide

Burgundy Snapdragon

Antirrhinum 'Burgundy'

Full sun2.5 ftModerate12 in wide

Viburnum × burkwoodii

Full sunZones 4–88 ftModerate

Dicentra 'Burning Hearts'

Part shadeZones 3–910 inModerate

Listed as toxic to dogs and cats

Burning Love Japanese Leucothoe

Leucothoe keiskei 'Opstal 50'

Part shadeZones 6–102.5 ftModerate

Carpenteria californica

Full sunZones 8–106 ftLow

Butterfly Blue Pincushion Flower

Scabiosa columbaria 'Butterfly Blue'

Full sunZones 3–91.5 ftModerate

Butterfly Marguerite Daisy

Argyranthemum 'Butterfly'

Full sunZones 9–111.5 ftModerate

Listed as toxic to dogs and cats

Full sun1.5 ftModerate1.5 ft wide

Full sunZones 9–118 inModerate

California Buckeye

Aesculus californica

Full sunZones 7–823 ftModerate

Listed as toxic to dogs and cats

California Buckwheat

Eriogonum fasciculatum

Full sunZones 7–102.5 ftLow

California Coffeeberry

Frangula californica

Full sunZones 7–108 ftLow

California Fescue

Festuca californica

Part shadeZones 7–102.5 ftLow

California Flannel Bush 'Ken Taylor'

Fremontodendron 'Ken Taylor'

Full sunZones 8–115 ftLow

Listed as toxic to dogs and cats

California Flannel Bush 'Pacific Sunset'

Fremontodendron 'Pacific Sunset'

Full sunZones 8–1116 ftLow

Listed as toxic to dogs and cats

California Flannelbush

Fremontodendron californicum

Full sunZones 8–1115 ftLow

Listed as toxic to dogs and cats

California Lilac

Ceanothus 'Concha'

Full sunZones 8–118 ftLow

California Meadow Sedge

Full sunZones 8–108 inModerate

California Poppy

Full sunZones 6–1012 inLow

Listed as toxic to dogs and cats

California Poppy (Cream/White)

Eschscholzia californica 'Alba'

Full sunZones 6–111 ftLow

Listed as toxic to dogs and cats

California Poppy (Rose/Pink Mix)

Eschscholzia californica 'Carmine King'

Full sunZones 6–111.5 ftLow

Listed as toxic to dogs and cats

California Sycamore

Platanus racemosa

Full sunZones 7–957 ftModerate

California Wild Grape

Vitis californica

Full sunZones 7–1025 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

Campfire Marshmallow Bidens

Bidens hybrid 'Campfire Marshmallow'

Full sunZones 8–111 ftLow

Campfire Red Ember Bidens

Bidens ferulifolia 'DPWBIDCAPR'

Full sunZones 9–118 inModerate

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

Candybox Chilean Guava

Ugni molinae 'PI16'

Full sunZones 8–114.5 ftModerate

Iberis sempervirens

Full sunZones 3–810 inLow

Canterbury Bells

Campanula medium

Full sunZones 4–102.5 ftModerate

Rhododendron 'Capistrano'

Part shadeZones 5–84 ftModerate

Listed as toxic to dogs and cats

Salvia nemorosa 'Caradonna'

Full sunZones 4–82 ftLow

Full sunZones 5–104 ftModerate

Carol Mountain Laurel

Kalmia latifolia 'Carol'

Part shadeZones 5–88 ftModerate

Listed as toxic to dogs and cats

Carolina Allspice

Calycanthus floridus

Part shadeZones 4–97.5 ftModerate

Listed as toxic to dogs and cats

Carolina Buckthorn

Frangula caroliniana

Part shadeZones 5–912 ftModerate

Carolina Lupine

Thermopsis villosa

Full sunZones 4–84 ftModerate

Carolina Moonlight

Baptisia 'Carolina Moonlight'

Full sunZones 4–94 ftLow

Listed as toxic to cats

Carousel Mountain Laurel

Kalmia latifolia 'Carousel'

Part shadeZones 5–85 ftModerate

Listed as toxic to dogs and cats

Cascade Oregon Grape

Berberis nervosa

Part shadeZones 6–92 ftModerate

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