Bloom calendar

Plants for Zone 4 That Bloom in May

318 plants in the BloomsEye library that are hardy in USDA hardiness zone 4 and typically flower in May, such as Actaea, Adirondack and Alba. Each entry lists its bloom times, hardiness zones, and sun needs.

Showing 181 to 240 of 318 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 318 plants, 138 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.

Aquilegia vulgaris 'Nora Barlow'

Part shadeZones 3–82.5 ftModerate

Northern Exposure Silver

Heuchera 'TNHEUNES'

Part shadeZones 4–92 ftModerate

Physocarpus opulifolius 'Nugget'

Full sunZones 2–85 ftModerate

Pachysandra terminalis

Full shadeZones 4–88 inModerate

Paint the Town Fancy

Dianthus 'Paint the Town Fancy'

Full sunZones 4–98 inModerate

Carex muskingumensis

Part sunZones 4–92.5 ftModerate

Digitalis purpurea 'Pam's Choice'

Part shadeZones 4–84.5 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

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

Pink Hawaiian Coral

Paeonia 'Pink Hawaiian Coral'

Full sunZones 3–83 ftModerate

Pink Impression

Tulipa 'Pink Impression'

Full sunZones 3–82 ftModerate

Consolida ajacis

Full sunZones 2–113 ftModerate

Baptisia 'Pink Lemonade'

Full sunZones 4–93.5 ftLow

Salvia nemorosa 'Pink Profusion'

Full sunZones 4–81.5 ftLow

Rhododendron 'PJM'

Part shadeZones 4–84 ftModerate

Full sunZones 3–71.5 ftLow

Malus 'Prairifire'

Full sunZones 4–820 ftModerate

President Grevy

Syringa vulgaris 'President Grevy'

Full sunZones 3–710 ftModerate

President Lincoln

Syringa vulgaris 'President Lincoln'

Full sunZones 3–710 ftModerate

Part shadeZones 3–88 inModerate

Syringa vulgaris 'Primrose'

Full sunZones 3–78 ftModerate

Malus 'Profusion'

Full sunZones 4–820 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

Malus 'Purple Prince'

Full sunZones 4–816 ftModerate

Purple Sensation

Allium hollandicum 'Purple Sensation'

Full sunZones 4–82.5 ftLow

Baptisia 'Purple Smoke'

Full sunZones 4–94 ftLow

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

Red Annual Phlox

Phlox drummondii

Full sunZones 2–1112 inModerate

Centaurea cyanus 'Red Boy'

Full sunZones 2–112.5 ftLow

Paeonia 'Red Charm'

Full sunZones 3–83 ftModerate

Trifolium pratense

Full sunZones 3–91.5 ftModerate

Malus 'Red Jewel'

Full sunZones 4–813 ftModerate

Weigela florida 'Red Prince'

Full sunZones 4–85 ftModerate

Matthiola incana

Full sunZones 2–111.5 ftModerate

Phlox subulata 'Red Wings'

Full sunZones 3–96 inLow

Astilbe japonica 'Rheinland'

Part shadeZones 3–82 ftHigh

Part shadeZones 4–86 ftModerate

Full sunZones 4–84 inLow

Rocky Mountain Blue

Aquilegia caerulea

Part shadeZones 3–82 ftModerate

Rosa 'Frau Karl Druschki'

Rosa 'Frau Karl Druschki'

Full sunZones 4–116 ftModerate

Consolida ajacis

Full sunZones 2–113 ftModerate

Salvia nemorosa 'Rose Marvel'

Full sunZones 4–81.5 ftLow

Matthiola incana

Full sunZones 2–111.5 ftModerate

Rhododendron 'Roseum Elegans'

Part shadeZones 4–86 ftModerate

Royal Blue Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Royal Crimson Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 ftModerate

Royal Raindrops

Malus 'Royal Raindrops'

Full sunZones 4–820 ftModerate

Royal White Sweet Pea

Lathyrus odoratus

Full sunZones 2–116 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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