Bloom month

Plants that bloom in May

1007 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 61 to 120 of 1,007 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 1,007 plants, 731 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

Autumn Empress Encore Azalea

Rhododendron 'Conles'

Part shadeZones 6–104 ftModerate

Listed as toxic to dogs and cats

Autumn Fire Encore Azalea

Rhododendron 'Roblez'

Part shadeZones 6–92.5 ftModerate

Listed as toxic to dogs and cats

Autumn Inferno Cotoneaster

Cotoneaster 'Bronfire'

Full sunZones 4–75.5 ftModerate

Listed as toxic to dogs and cats

Autumn Lilac Encore Azalea

Rhododendron 'Robles'

Part shadeZones 6–93 ftModerate

Listed as toxic to dogs and cats

Autumn Lily Encore Azalea

Rhododendron 'Roblex'

Part shadeZones 6–94.5 ftModerate

Listed as toxic to dogs and cats

Autumn Majesty Encore Azalea

Rhododendron 'Roblezd'

Part shadeZones 6–102.5 ftModerate

Listed as toxic to dogs and cats

Autumn Royalty Encore Azalea

Rhododendron 'Conlec'

Part shadeZones 6–94.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 7–92.5 ftModerate

Autumn Sangria Encore Azalea

Rhododendron 'Roblee'

Part shadeZones 6–104.5 ftModerate

Listed as toxic to dogs and cats

Autumn Starburst Encore Azalea

Rhododendron 'Robleze'

Part shadeZones 6–102.5 ftModerate

Listed as toxic to dogs and cats

Autumn Sweetheart Encore Azalea

Rhododendron 'Robleja'

Part shadeZones 6–94 ftModerate

Listed as toxic to dogs and cats

Autumn Twist Encore Azalea

Rhododendron 'Conlep'

Part shadeZones 6–94.5 ftModerate

Listed as toxic to dogs and cats

Avalanche Pieris

Pieris japonica 'Avalanche'

Part shadeZones 4–84.5 ftModerate

Listed as toxic to dogs and cats

Part shadeZones 5–94 ftModerate

Listed as toxic to dogs and cats

Syringa 'SMNSDTP'

Full sunZones 3–72.5 ftModerate

Bachelor's Button

Centaurea cyanus

Full sunZones 2–112.5 ftLow

Chaenostoma cordatum

Part sunZones 9–116 inModerate

Bailey Compact American Cranberrybush

Viburnum opulus var. americanum 'Bailey Compact'

Full sunZones 2–75.5 ftModerate

Balboa Sunset Heuchera

Heuchera 'DOHEUGABECI'

Part sunZones 4–98 inModerate

Tulipa 'Ballerina'

Full sunZones 3–82 ftModerate

Listed as toxic to dogs and cats

Monarda didyma 'Balbalmurp'

Full sunZones 4–912 inModerate

Bananappeal Anise Tree

Illicium parviflorum 'PIIIP-I'

Part shadeZones 7–92.5 ftModerate

Barbara Ann Climbing Hydrangea

Hydrangea barbara 'Barbara Ann'

Part shadeZones 5–935 ftModerate

Listed as toxic to dogs and cats

Part shadeZones 5–812 inModerate

Paeonia 'Bartzella'

Full sunZones 4–82.5 ftModerate

Listed as toxic to dogs and cats

Aurinia saxatilis

Full sunZones 3–78 inLow

Dianthus 'Bath's Pink'

Full sunZones 3–910 inLow

Listed as toxic to dogs and cats

Rosa 'Auschimbley'

Full sunZones 5–114 ftModerate

Part sunZones 8–1016 ftModerate

Listed as toxic to dogs and cats

Bearberry Cotoneaster

Cotoneaster dammeri

Full sunZones 5–812 inModerate

Listed as toxic to dogs and cats

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Beauty of Moscow

Syringa vulgaris 'Krasavitsa Moskvy'

Full sunZones 3–710 ftModerate

Part shade12 inModerate12 in wide

Listed as toxic to dogs and cats

Philadelphus 'Belle Etoile'

Full sunZones 5–85 ftModerate

Part sunZones 3–81.5 ftModerate

Berry Box Pyracomeles

× Pyracomeles 'NCXP2'

Full sunZones 6–93.5 ftModerate

Berry Scape Aronia

Aronia arbutifolia 'UCONNAA001'

Full sunZones 4–94.5 ftModerate

Rosa 'Hartesia'

Full sunZones 6–93 ftModerate

Magnolia 'Betty'

Full sunZones 4–813 ftModerate

Beverly Sills Reblooming Bearded Iris

Iris 'Beverly Sills'

Full sunZones 3–93 ftModerate

Listed as toxic to dogs and cats

Bicolor Geranium

Pelargonium 'Bicolor'

Full sun1.5 ftModerate1.5 ft wide

Listed as toxic to dogs and cats

Bicolor Marigold

Tagetes patula 'Bicolor'

Full sun12 inModerate12 in wide

Listed as toxic to dogs and cats

Bidens ferulifolia

Full sunZones 8–1112 inLow

Begonia 'Big Rose Bronze Leaf'

Part shade2 ftModerate1.5 ft wide

Listed as toxic to dogs and cats

Bigfoot Cleyera

Ternstroemia gymnanthera 'Sotall'

Part shadeZones 7–1015 ftModerate

Geranium × cantabrigiense 'Biokovo'

Part sunZones 4–810 inModerate

Rhododendron 'Bixby'

Part shadeZones 5–82 ftModerate

Listed as toxic to dogs and cats

Blaauws Pink Azalea

Rhododendron 'Blaauw's Pink'

Full sunZones 5–84.5 ftModerate

Listed as toxic to dogs and cats

Centaurea cyanus 'Black Ball'

Full sunZones 2–112.5 ftLow

Aquilegia vulgaris 'Black Barlow'

Part shadeZones 3–82.5 ftModerate

Black Chokeberry

Aronia melanocarpa

Full sunZones 3–85 ftModerate

Nyssa sylvatica

Full sunZones 4–940 ftModerate

Black Hero Double Peony Tulip

Tulipa 'Black Hero'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Viola wittrockiana 'Clear Crystals Black'

Part sun8 inModerate8 in wide

Tulipa 'Black Parrot'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Blackfoot Daisy

Melampodium leucanthum

Full sunZones 4–1112 inLow

Viburnum prunifolium

Full sunZones 3–913 ftModerate

Blanc Double de Coubert Rose

Rosa 'Blanc Double de Coubert'

Full sunZones 4–95.5 ftModerate

Lamprocapnos spectabilis

Part shadeZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Blood Moon Rhododendron

Rhododendron 'Blood Moon'

Part shadeZones 5–87 ftModerate

Listed as toxic to dogs and cats

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Blooming in April Blooming in June All plants

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