Bloom calendar

Plants for Zone 3 That Bloom in May

240 plants in the BloomsEye library that are hardy in USDA hardiness zone 3 and typically flower in May, such as False Indigo, Peony and Tulip. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 181 to 240 of 240 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 240 plants, 190 have been checked against outside sources (11 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.

Centaurea cyanus 'Red Boy'

Full sunZones 2–112.5 ftLow

Paeonia 'Red Charm'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Trifolium pratense

Full sunZones 3–91.5 ftModerate

Sambucus racemosa

Full sunZones 3–710 ftModerate

Listed as toxic to dogs and cats

Matthiola incana

Full sunZones 2–111.5 ftModerate

Phlox subulata 'Red Wings'

Full sunZones 3–96 inLow

Redosier Dogwood

Full sunZones 3–78 ftModerate

Astilbe japonica 'Rheinland'

Part shadeZones 3–82 ftHigh

Rocky Mountain Blue

Aquilegia caerulea

Part shadeZones 3–82 ftModerate

Consolida ajacis

Full sunZones 2–113 ftModerate

Listed as toxic to dogs and cats

Matthiola incana

Full sunZones 2–111.5 ftModerate

Roundleaf Ragwort

Packera obovata

Part shadeZones 3–81.5 ftModerate

Royal Blue Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Listed as toxic to dogs and cats

Royal Crimson Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Listed as toxic to dogs and cats

Royal White Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–95 ftLow

Sarah Bernhardt

Paeonia 'Sarah Bernhardt'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Phlox subulata 'Scarlet Flame'

Full sunZones 3–96 inLow

Syringa vulgaris 'Sensation'

Full sunZones 3–710 ftModerate

Paeonia 'Shirley Temple'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Asclepias speciosa

Full sunZones 3–93 ftModerate

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Sir Winston Churchill

Narcissus 'Sir Winston Churchill'

Full sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Six Hills Giant

Nepeta 'Six Hills Giant'

Full sunZones 3–82.5 ftLow

Smooth Solomon's Seal

Polygonatum biflorum

Part shadeZones 3–83.5 ftModerate

Listed as toxic to dogs

Cerastium tomentosum

Full sunZones 3–76 inLow

Nepeta racemosa 'Snowflake'

Full sunZones 3–812 inLow

Phlox subulata 'Snowflake'

Full sunZones 3–96 inLow

Spiraea nipponica 'Snowmound'

Full sunZones 3–84 ftModerate

Part shadeZones 3–82.5 ftModerate

Listed as toxic to dogs

Tulipa 'Spring Green'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 2–111.5 ftModerate

Physocarpus opulifolius 'Seward'

Full sunZones 3–76 ftModerate

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Listed as toxic to dogs and cats

Dianthus barbatus

Full sunZones 3–91.5 ftModerate

Listed as toxic to dogs and cats

Dianthus gratianopolitanus 'Tiny Rubies'

Full sunZones 3–96 inLow

Listed as toxic to dogs and cats

Physocarpus opulifolius 'SMNPOTW'

Full sunZones 3–73.5 ftModerate

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Turkestan Onion

Allium karataviense

Full sunZones 3–912 inLow

Listed as toxic to dogs and cats

Lamprocapnos spectabilis 'Valentine'

Part shadeZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–86.5 ftModerate

Virginia Bluebells

Mertensia virginica

Part shadeZones 3–81.5 ftModerate

Virginia Creeper

Parthenocissus quinquefolia

Full sunZones 3–940 ftModerate

Listed as toxic to dogs and cats

Nepeta 'Walker's Low'

Full sunZones 3–82 ftLow

Syringa vulgaris 'Wedgwood Blue'

Full sunZones 3–75.5 ftModerate

White Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

White Bachelor's Button

Centaurea cyanus

Full sunZones 2–112.5 ftLow

Trifolium repens

Full sunZones 3–104 inModerate

White Columbine

Part shadeZones 3–82 ftModerate

Phlox subulata 'White Delight'

Full sunZones 3–96 inLow

White Fringetree

Chionanthus virginicus

Full sunZones 3–917 ftModerate

Consolida ajacis

Full sunZones 2–113 ftModerate

Listed as toxic to dogs and cats

Full sunZones 3–965 ftModerate

Listed as toxic to dogs

Dianthus 'White'

Full sunZones 3–910 inLow

Listed as toxic to dogs and cats

Matthiola incana

Full sunZones 2–111.5 ftModerate

White Triumphator

Tulipa 'White Triumphator'

Full sunZones 3–82 ftModerate

Listed as toxic to dogs and cats

White Wild Indigo

Full sunZones 3–93.5 ftLow

Geranium maculatum

Part shadeZones 3–81.5 ftModerate

Phlox divaricata

Part shadeZones 3–812 inModerate

Syringa vulgaris 'Yankee Doodle'

Full sunZones 3–78 ftModerate

Keep exploring

All zone 3 plants All plants blooming in May Zone 3 in April Zone 3 in June Zone 2 in May Zone 4 in May Bloom Calendar

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