Bloom calendar

Plants for Zone 4 That Bloom in May

528 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 301 to 360 of 528 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 528 plants, 481 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.

Lowbush Blueberry

Vaccinium angustifolium

Full sunZones 2–81.5 ftModerate

Syringa vulgaris 'Andenken an Ludwig Späth'

Full sunZones 3–710 ftModerate

Part shadeZones 3–812 inModerate

Listed as toxic to dogs and cats

Full sunZones 4–83 ftModerate

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

Lonicera sempervirens 'Major Wheeler'

Full sunZones 4–810 ftModerate

Manhattan Lights

Lupinus 'Manhattan Lights'

Full sunZones 4–93 ftModerate

Listed as toxic to dogs and cats

Mapleleaf Viburnum

Viburnum acerifolium

Part shadeZones 3–84.5 ftModerate

Marge Elderberry

Sambucus nigra 'Marge'

Full sunZones 4–99 ftModerate

Listed as toxic to dogs and cats

Lupinus 'Masterpiece'

Full sunZones 4–83 ftModerate

Listed as toxic to dogs and cats

Astrantia major

Part shadeZones 4–72 ftModerate

Geranium sanguineum 'Max Frei'

Part sunZones 4–810 inModerate

Salvia nemorosa 'Mainacht'

Full sunZones 4–82 ftLow

Podophyllum peltatum

Part shadeZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Miniature Snowflake

Philadelphus 'Miniature Snowflake'

Full sunZones 4–83 ftModerate

Weigela florida 'Minuet'

Full sunZones 4–82.5 ftModerate

Syringa pubescens 'Miss Kim'

Full sunZones 3–86 ftModerate

Full sunZones 4–88 ftModerate

Monsieur Jules Elie

Paeonia 'Monsieur Jules Elie'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Allium stipitatum 'Mount Everest'

Full sunZones 4–83.5 ftLow

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

Lupinus 'My Castle'

Full sunZones 4–83 ftModerate

Listed as toxic to dogs and cats

Weigela florida 'My Monet'

Full sunZones 4–81.5 ftModerate

Nannyberry Viburnum

Viburnum lentago

Full sunZones 3–716 ftModerate

Narrowleaf Blue-Eyed Grass

Sisyrinchium angustifolium

Full sunZones 4–91.5 ftModerate

Philadelphus × virginalis 'Natchez'

Full sunZones 4–78 ftModerate

Tulipa 'Negrita'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Clematis 'Nelly Moser'

Part shadeZones 4–910 ftModerate

Listed as toxic to dogs and cats

Dianthus 'Neon Star'

Full sunZones 3–98 inLow

Listed as toxic to dogs and cats

New Hampshire Purple

Geranium sanguineum 'New Hampshire Purple'

Part sunZones 4–812 inModerate

Ceanothus americanus

Full sunZones 4–83.5 ftModerate

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 Exposure Silver

Heuchera 'TNHEUNES'

Part shadeZones 4–92 ftModerate

Northern Pin Oak

Quercus ellipsoidalis

Full sunZones 4–757 ftModerate

Listed as toxic to dogs

Northern Red Oak

Full sunZones 3–863 ftModerate

Listed as toxic to dogs

Physocarpus opulifolius 'Nugget'

Full sunZones 4–85 ftModerate

Ohio Spiderwort

Tradescantia ohiensis

Full sunZones 4–92.5 ftModerate

Listed as toxic to dogs and cats

Oregon Sunshine

Eriophyllum lanatum

Full sunZones 4–91.5 ftLow

Pachysandra terminalis

Full shadeZones 4–88 inModerate

Listed as toxic to cats

Pacific Bleeding Heart

Dicentra formosa

Part shadeZones 3–91.5 ftModerate

Cornus alternifolia

Part shadeZones 3–720 ftModerate

Paint the Town Fancy

Dianthus 'Paint the Town Fancy'

Full sunZones 4–98 inModerate

Listed as toxic to dogs and cats

Carex muskingumensis

Part sunZones 4–92.5 ftModerate

Digitalis purpurea 'Pam's Choice'

Part shadeZones 4–84.5 ftModerate

Listed as toxic to dogs and cats

Mitchella repens

Part shadeZones 3–84 inModerate

Full sunZones 2–91.5 ftModerate

Pawnee Buttes Sand Cherry

Prunus pumila var. besseyi 'P011S'

Full sunZones 4–81.5 ftLow

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

Perennial Salvia

Salvia nemorosa

Full sunZones 4–82 ftLow

Part shadeZones 4–96 inLow

Pineleaf Penstemon

Penstemon pinifolius

Full sunZones 4–912 inLow

Pink Bachelor's Button

Centaurea cyanus

Full sunZones 2–112.5 ftLow

Pink Canterbury Bells

Campanula medium

Full sunZones 4–102.5 ftModerate

Nepeta 'Pink Cat'

Full sunZones 3–81.5 ftLow

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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