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 361 to 420 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.

Trifolium pratense

Full sunZones 3–91.5 ftModerate

Sambucus racemosa

Full sunZones 3–710 ftModerate

Listed as toxic to dogs and cats

Malus 'Red Jewel'

Full sunZones 4–813 ftModerate

Listed as toxic to dogs and cats

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

Redosier Dogwood

Full sunZones 3–78 ftModerate

Astilbe japonica 'Rheinland'

Part shadeZones 3–82 ftHigh

Part shadeZones 4–86 ftModerate

Listed as toxic to dogs and cats

Full sunZones 4–84 inLow

Rocky Mountain Blue

Aquilegia caerulea

Part shadeZones 3–82 ftModerate

Rocky Mountain Penstemon

Penstemon strictus

Full sunZones 4–92 ftLow

Rosa 'Frau Karl Druschki'

Rosa 'Frau Karl Druschki'

Full sunZones 4–116 ftModerate

Consolida ajacis

Full sunZones 2–113 ftModerate

Listed as toxic to dogs and cats

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

Listed as toxic to dogs and cats

Part shadeZones 4–812 inModerate

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 Raindrops

Malus 'Royal Raindrops'

Full sunZones 4–820 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

Russian Comfrey

Symphytum × uplandicum

Full sunZones 4–83.5 ftModerate

Listed as toxic to dogs and cats

Salvia officinalis

Full sunZones 4–81.5 ftLow

Sarah Bernhardt

Paeonia 'Sarah Bernhardt'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Sarah Elizabeth

Clematis 'Evipo098'

Part shadeZones 4–94.5 ftModerate

Listed as toxic to dogs and cats

Phlox subulata 'Scarlet Flame'

Full sunZones 3–96 inLow

Scentsation Honeysuckle

Lonicera periclymenum 'Scentsation'

Full sunZones 4–913 ftModerate

Armeria maritima

Full sunZones 4–88 inLow

Syringa vulgaris 'Sensation'

Full sunZones 3–710 ftModerate

Salvia nemorosa 'Sensation Rose'

Full sunZones 4–81 ftLow

Shadblow Serviceberry

Amelanchier canadensis

Part shadeZones 4–824 ftModerate

Shamrock Inkberry Holly

Ilex glabra 'Shamrock'

Full sunZones 4–94 ftModerate

Listed as toxic to dogs and cats

Paeonia 'Shirley Temple'

Full sunZones 3–83 ftModerate

Listed as toxic to dogs and cats

Asclepias speciosa

Full sunZones 3–93 ftModerate

Full sunZones 4–94 ftModerate

Full sunZones 3–92.5 ftModerate

Listed as toxic to dogs and cats

Part shadeZones 4–88.5 ftModerate

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

Salvia × sylvestris 'Schneehügel'

Full sunZones 4–81.5 ftLow

Snow White Sensation

Philadelphus 'Snow White Sensation'

Full sunZones 4–85.5 ftModerate

Cerastium tomentosum

Full sunZones 3–76 inLow

Philadelphus 'Snowbelle'

Full sunZones 4–84 ftModerate

Malus 'Snowdrift'

Full sunZones 4–816 ftModerate

Listed as toxic to dogs and cats

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

Sonic Bloom Pink

Weigela 'Sonic Bloom Pink'

Full sunZones 4–85 ftModerate

Sonic Bloom Red

Weigela 'Sonic Bloom Red'

Full sunZones 4–85 ftModerate

Weigela florida 'Spilled Wine'

Full sunZones 4–82 ftModerate

Full sunZones 4–83.5 ftModerate

Tulipa 'Spring Green'

Full sunZones 3–81.5 ftModerate

Listed as toxic to dogs and cats

Stanwell Perpetual

Rosa 'Stanwell Perpetual'

Full sunZones 4–104 ftModerate

Star of Bethlehem

Full sunZones 4–912 inModerate

Listed as toxic to dogs and cats

Allium cristophii

Full sunZones 4–81.5 ftLow

Listed as toxic to dogs and cats

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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