Wildflower Archive

woodland wildflower

Canadian bunchberry

Cornus canadensis

Also known as Bunchberry Dogwood

Canadian bunchberry (Cornus canadensis)1 of 2
William Curtis

Native to much of the USA and Canada

Greenland across northern North America to northeast Eurasia. Labrador to Alaska, south to Maryland, Virginia mountains, Ohio, Minnesota, South Dakota, New Mexico mountains and northern California.

  • Light Full sun to shade Sun tolerance
  • Moisture Moist Moisture preference
  • Zones 1–8 Cold to heat range
  • Bloom May–Sep Flowering time
  • Height up to 10 in to 25 cm
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland wildflower for sun through shade and evenly moist soil. At up to 10 in, it tucks into shade gardens and woodland edges. It spreads readily, so give it room or a contained spot. Hardy in USDA zones 1–8.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

Pollinators & wildlife

  • Flower flies Margined Calligrapher
    also Common Drone Fly, Thick-legged Hover Fly, Greater Bee Fly +27 more Oblique-banded Pond Fly, Hairy-eyed Bee-mimic Fly, Dusky-banded Leafwalker, Wasp-like Falsehorn, White-spotted Pond Fly, Long-horned Yellowjacket Fly, Yellow-haltered Leafwalker, Bare-bellied Falsehorn, Confusing Wood Fly, Black-bristled Logsitter, Canadian Potter Fly, Long-nosed Pond Fly, Yellow-haired Leafwalker, Beautiful Patterneye, Boreal Bristleside, Yellow-haired Falsehorn, Blera badia, Blera nigripes, Tropidia quadrata, Cheilosia sialia, Narrow-striped Globetail, Symmetric Globetail, Xylota bigelowi, Hine's Leafwalker, Bombylius mexicanus, Black-horned Pufftail, Orange-faced Wood Fly
  • Bees Tricolored Bumble Bee
    also Perplexing Bumble Bee, Half-black Bumble Bee, Yellow-banded Bumble Bee +16 more Confusing Furrow Bee, Gracile Nomad, Snowy Mining Bee, Meadow Parsnip Miner Bee, Osmia proxima, Sigmund's Mining Bee, W-labrum Miner, Cinquefoil Masked Bee, Brown-fovea Miner, Singular Miner Bee, Rose Miner Bee, Macoupin County sweat bee, Nomada sayi, Quebec Sweat Bee, Milwaukee Mining Bee, Dwarf-dandelion Mining Bee
  • Beetles Stripe-legged Long-horned Beetle
    also Judolia montivagans, Anthaxia expansa, Evodinus monticola +1 more Acmaeopsoides rufula
  • Also visited by
    • Butterflies:
      Pearl Crescent, Silvery Blue +5 more Green Comma, Arctic Skipper, Amblyscirtes hegon, Holly Blue, Green-veined White
    • Moths: Hickory Tussock Moth

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 USA and CanadaUnited States (29): AK, CO, CT, IA, ID, IL, IN, MA, MD, ME, MI, MN, MT, ND, NH, NJ, NM, NY, OH, OR, PA, RI, SD, VA, VT, WA, WI, WV, WY. Canada (9): AB, BC, MB, NB, NL, NS, ON, PE, QC. Where it grows wild on its own, by state and province.
Native distribution
Greenland across northern North America to northeast Eurasia. Labrador to Alaska, south to Maryland, Virginia mountains, Ohio, Minnesota, South Dakota, New Mexico mountains and northern California.The same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Full sun 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 1–8 · Canadian 0–8The cold-to-heat climate range it survives.
Soil
Damp, cool, acid soil or peat mossThe soils it grows in naturally.
Soil texture
Light to heavy (sandy to clay)The soil grade it prefers, from sand to clay.
Soil pH
5.5–6.9The acidity to alkalinity it tolerates (7 is neutral).
Soil quality
MediumHow rich a soil it needs. Many natives prefer lean soil and flop in rich beds.
Water use
HighHow 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 10 in (to 25 cm)Typical mature height.
Spread
~3 ft (1 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
ProstrateIts overall silhouette.
Root depth
10+ in (25+ cm)How far the roots reach, a guide to drought resilience and transplanting.

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
May–SepWhen it flowers.
Flower color
White, Yellow, Green, BrownThe 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
~0.1 million seeds per poundNotes on the seed and how to sow it.
Seed spread rate
SlowHow readily it self-sows. Slow or none means well-behaved, not a spreader.
Seedling vigor
LowHow strongly young seedlings establish.
Vegetative spread
RapidWhether it creeps outward or stays put in a clump.