Bloom calendar

Plants for Zone 4 That Bloom in May

479 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 479 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 479 plants, 393 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.

Nannyberry Viburnum

Viburnum lentago

Full sunZones 3–716 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 Red Oak

Full sunZones 3–863 ftModerate

Listed as toxic to dogs

Physocarpus opulifolius 'Nugget'

Full sunZones 4–85 ftModerate

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

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

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

Weigela florida 'Pink Delight'

Full sunZones 4–85 ftModerate

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

Baptisia 'Pink Lemonade'

Full sunZones 4–93.5 ftLow

Listed as toxic to cats

Salvia nemorosa 'Pink Profusion'

Full sunZones 4–81.5 ftLow

Pinxterbloom Azalea

Rhododendron periclymenoides

Part shadeZones 4–95.5 ftModerate

Listed as toxic to dogs and cats

Rhododendron 'PJM'

Part shadeZones 4–84 ftModerate

Listed as toxic to dogs and cats

Prairie Junegrass

Koeleria macrantha

Full sunZones 3–91.5 ftLow

Full sunZones 3–71.5 ftLow

Malus 'Prairifire'

Full sunZones 4–813 ftModerate

Listed as toxic to dogs and cats

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

Malus 'Profusion'

Full sunZones 4–820 ftModerate

Listed as toxic to dogs and cats

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

Purple Poppy Mallow

Callirhoe involucrata

Full sunZones 4–88 inModerate

Malus 'Purple Prince'

Full sunZones 4–816 ftModerate

Listed as toxic to dogs and cats

Purple Sensation

Allium hollandicum 'Purple Sensation'

Full sunZones 4–82.5 ftLow

Listed as toxic to dogs and cats

Baptisia 'Purple Smoke'

Full sunZones 4–94 ftLow

Listed as toxic to cats

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

Centaurea cyanus 'Red Boy'

Full sunZones 2–112.5 ftLow

Part shadeZones 4–816 ftModerate

Listed as toxic to dogs and cats

Paeonia 'Red Charm'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Aronia arbutifolia

Full sunZones 4–99 ftModerate

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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