Wildflower Archive

woodland shrub

Eastern redbud

Cercis canadensis

Eastern redbud (Cercis canadensis)1 of 3
Afbeeldingen der fraaiste

Native to much of the USA

Florida to Texas, north to Pennsylvania, Ohio, southern Michigan, southern Iowa and southeastern Nebraska, south to Veracruz in eastern Mexico

  • Light Part shade to shade Sun tolerance
  • Moisture Moist Moisture preference
  • Zones 5–9 Cold to heat range
  • Bloom Mar–May Flowering time
  • Height up to 30 ft to 9.1 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland shrub for part to full shade and evenly moist soil. At up to 30 ft, it needs room in shade gardens and woodland edges. Hardy in USDA zones 5–9.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

Pollinators & wildlife

  • Bees Common Eastern Bumble Bee
    also Western Honey Bee, Eastern Carpenter Bee, Brown-belted Bumble Bee +51 more Two-spotted Bumble Bee, American Bumble Bee, Pure Green Sweat bee, Bombus fervidus, Red-belted Bumble Bee, Perplexing Bumble Bee, Black-and-gold Bumble Bee, Half-black Bumble Bee, Colletes inaequalis, Orange-legged Furrow Bee, Agapostemon texanus, Golden Sweat Bee, Rusty-patched Bumble Bee, Confusing Furrow Bee, Spurred Ceratina, Blue Orchard Bee, Horn-faced Mason Bee, Carlin's Mining Bee, Black-and-yellow Nomad Bee, Silky Striped Sweat Bee, Bufflehead Mason Bee, Asian Shaggy Digger Bee, Bristle Sweat Bee, Cresson's Mining Bee, Anthophora ursina, Blue-Phacelia Miner, Tridentate Miner, Imitator Miner Bee, Experienced Sweat Bee, Osmia pumila, Lasioglossum cinctipes, Maine Blueberry Bee, Osmia conjuncta, Toothed Miner Bee, Andrena nigrae, Nomada affabilis, Blueberry Digger Bee, Xylocopa virginica virginica, Milwaukee Mining Bee, Early Mining Bee, Xenoglossa strenua, Pseudopanurgus passiflorae, Andrena sayi, Cuneate Nomad Bee, Denticulate Nomad, Eucera belfragei, Augochlora nominata, Nomada sayi, Forbes's Sweat Bee, Tetragona dissecta, Zephyr Sweat Bee
  • Butterflies Monarch
    also Eastern Tiger Swallowtail, Red Admiral, Silver-spotted Skipper +10 more Gray Hairstreak, American Lady, Funereal Duskywing, Sleepy Duskywing, Henry's Elfin, Cyaniris neglecta, Juvenal's Duskywing, Mitoura gryneus, Protographium marcellus, Elkalyce comyntas
  • Moths American and Large Gray Daggers and Allies
    also Snowberry Clearwing, Eight-spotted Forester Moth, Grapevine Epimenis Moth +4 more Red-humped Caterpillar Moth and Allies, Western Red-Humped Caterpillar Moth, Celery Leaftier Moth, Morning-glory Prominent
  • Also visited by
    • Flower flies:
      Long-tailed Aphideater, Greater Bee Fly +4 more Black-shouldered Drone Fly, Short-tailed Aphideater, Sphaerophoria cylindricus, Hemipenthes sinuosus
    • Beetles:
      Ant-like Longhorn Beetle, Redbud Borer +3 more Bimaculate Longhorn Beetle, Chlorophorus glaucus, Chilocorus stigma
    • Birds:
      American Robin, Baltimore Oriole +1 more White-eyed Vireo
    • Hummingbirds: Ruby-throated Hummingbird
    • Wasps: Polistes exclamans

Butterflies that use this plant

Documented host and nectar records. Each links to a planting guide for that butterfly.

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Much of the USAUnited States (27): AL, AR, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MD, MI, MO, MS, NC, NE, NJ, OH, OK, PA, SC, TN, TX, VA, WV. Where it grows wild on its own, by state and province.
Native distribution
Florida to Texas, north to Pennsylvania, Ohio, southern Michigan, southern Iowa and southeastern Nebraska, south to Veracruz in eastern MexicoThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Part shade to shadeHow much sun it takes, from full sun to full shade.
Moisture
MoistThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 5–9 · Canadian 5–7The cold-to-heat climate range it survives.
Soil
Moist, fertile, well-drained soilsThe soils it grows in naturally.
Soil texture
Light to medium (sandy to loamy)The soil grade it prefers, from sand to clay.
Soil pH
5.0–7.9The acidity to alkalinity it tolerates (7 is neutral).
Soil quality
LowHow rich a soil it needs. Many natives prefer lean soil and flop in rich beds.
Water use
LowHow thirsty it is, a rough guide to how often to water.
Salinity tolerance
NoneHow well it copes with salty soil, near roads or the coast.
Lime (CaCO₃) tolerance
LowHow well it copes with chalky, lime-rich soil.

Growth & form

Height
up to 30 ft (to 9.1 m)Typical mature height.
Spread
~33 ft (10 m)How wide one plant gets, a guide to spacing.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
Growth rate
SlowA relative ranking versus other plants of the same type (USDA), not an absolute rate.
Shape
ErectIts overall silhouette.
Root depth
24+ in (61+ cm)How far the roots reach, a guide to drought resilience and transplanting.

Flowers, foliage & fruit

Type
ShrubWhat kind of plant it is.
Bloom
Mar–MayWhen it flowers.
Flower color
PinkThe bloom color, or colors.
Toxicity
None knownWhether any part is poisonous to people or pets.

Propagation & seed

Cold stratification
Required (cold, moist)Whether seed needs a cold, moist spell before it will germinate.
Propagation
Bare root, container, cuttings, seedHow to start new plants.
Seed
~0.0 million seeds per poundNotes on the seed and how to sow it.
Seed spread rate
ModerateHow readily it self-sows. Slow or none means well-behaved, not a spreader.
Seedling vigor
MediumHow strongly young seedlings establish.
Vegetative spread
NoneWhether it creeps outward or stays put in a clump.