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 121 to 180 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.

Festuca idahoensis

Full sunZones 3–71.5 ftLow

Part shadeZones 3–71.5 ftModerate

Paeonia 'Kansas'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Karl Rosenfield

Paeonia 'Karl Rosenfield'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Katherine Havemeyer

Syringa vulgaris 'Katherine Havemeyer'

Full sunZones 3–710 ftModerate

Kentucky Coffeetree

Gymnocladus dioicus

Full sunZones 3–869 ftModerate

Listed as toxic to dogs and cats

Dicentra 'King of Hearts'

Part shadeZones 3–910 inModerate

Listed as toxic to dogs and cats

Arctostaphylos uva-ursi

Full sunZones 3–78 inModerate

Alchemilla mollis

Part shadeZones 3–81.5 ftModerate

Full sunZones 2–113 ftModerate

Lavender Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Lavender Larkspur

Consolida ajacis

Full sunZones 2–113 ftModerate

Listed as toxic to dogs and cats

Matthiola incana

Full sunZones 2–111.5 ftModerate

Lavender Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Listed as toxic to dogs and cats

Syringa vulgaris

Full sunZones 3–710 ftModerate

Lily of the Valley

Convallaria majalis

Full shadeZones 2–78 inModerate

Listed as toxic to dogs and cats

Physocarpus opulifolius 'Donna May'

Full sunZones 3–73 ftModerate

Nepeta racemosa 'Little Titch'

Full sunZones 3–88 inLow

Long-Beaked Sedge

Carex sprengelii

Part shadeZones 3–72.5 ftModerate

Syringa vulgaris 'Andenken an Ludwig Späth'

Full sunZones 3–710 ftModerate

Part shadeZones 3–812 inModerate

Listed as toxic to dogs and cats

Syringa vulgaris 'Madame Lemoine'

Full sunZones 3–710 ftModerate

Dianthus deltoides

Full sunZones 3–98 inLow

Listed as toxic to dogs and cats

Mapleleaf Viburnum

Viburnum acerifolium

Part shadeZones 3–84.5 ftModerate

Podophyllum peltatum

Part shadeZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Syringa pubescens 'Miss Kim'

Full sunZones 3–86 ftModerate

Monsieur Jules Elie

Paeonia 'Monsieur Jules Elie'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Mountain Frost Ruby

Dianthus 'Mountain Frost Ruby Snow'

Full sunZones 3–910 inLow

Listed as toxic to dogs and cats

Nannyberry Viburnum

Viburnum lentago

Full sunZones 3–716 ftModerate

Tulipa 'Negrita'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Dianthus 'Neon Star'

Full sunZones 3–98 inLow

Listed as toxic to dogs and cats

Physocarpus opulifolius

Full sunZones 3–76.5 ftModerate

Aquilegia vulgaris 'Nora Barlow'

Part shadeZones 3–82.5 ftModerate

Northern Bayberry

Myrica pensylvanica

Full sunZones 3–77 ftModerate

Northern Blue Flag Iris

Iris versicolor

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Northern Red Oak

Full sunZones 3–863 ftModerate

Listed as toxic to dogs

Pacific Bleeding Heart

Dicentra formosa

Part shadeZones 3–91.5 ftModerate

Cornus alternifolia

Part shadeZones 3–720 ftModerate

Peach Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Pennsylvania Sedge

Carex pensylvanica

Part shadeZones 3–88 inLow

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Pink Bachelor's Button

Centaurea cyanus

Full sunZones 2–112.5 ftLow

Nepeta 'Pink Cat'

Full sunZones 3–81.5 ftLow

Dianthus gratianopolitanus 'Pink Fire'

Full sunZones 3–98 inLow

Listed as toxic to dogs and cats

Pink Hawaiian Coral

Paeonia 'Pink Hawaiian Coral'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Pink Impression

Tulipa 'Pink Impression'

Full sunZones 3–82 ftModerate

Listed as toxic to dogs and cats

Consolida ajacis

Full sunZones 2–113 ftModerate

Listed as toxic to dogs and cats

Prairie Junegrass

Koeleria macrantha

Full sunZones 3–91.5 ftLow

Full sunZones 3–71.5 ftLow

President Grevy

Syringa vulgaris 'President Grevy'

Full sunZones 3–710 ftModerate

President Lincoln

Syringa vulgaris 'President Lincoln'

Full sunZones 3–710 ftModerate

Part shadeZones 3–118 inModerate

Listed as toxic to dogs and cats

Syringa vulgaris 'Primrose'

Full sunZones 3–78 ftModerate

Purple Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Purple Bachelor's Button

Centaurea cyanus

Full sunZones 2–112.5 ftLow

Phlox subulata 'Purple Beauty'

Full sunZones 3–96 inLow

Matthiola incana

Full sunZones 2–111.5 ftModerate

Nepeta 'Purrsian Blue'

Full sunZones 3–81.5 ftLow

Tulipa 'Queen of Night'

Full sunZones 3–82 ftModerate

Listed as toxic to dogs and cats

Red Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

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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