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Tuesday, April 1, 2025

American Black Elderberry, Sambucus canadensis

General Information

  • Scientific Name: Sambucus canadensis
  • Common Names: American black elderberry, common elderberry, Canada elderberry
  • Family: Adoxaceae (formerly Caprifoliaceae)
  • Native Range: Eastern and central North America, from Canada to northern South America

    Plant Characteristics,

  • Growth Habit: Deciduous shrub or small tree
  • Height: Typically 6–12 feet (1.8–3.7 meters), can reach up to 20 feet (6 meters)
  • Spread: Forms clumps through root suckers
  • Lifespan: 20–30 years

    Leaves

  • Type: Opposite, pinnately compound
  • Leaflets: Usually 5–11, serrated margins
  • Color: Dark green, turning yellow in fall

    Flowers

  • Bloom Time: Late spring to early summer (May–July)
  • Color: White to cream
  • Shape: Small, star-shaped flowers in large, flat-topped clusters (umbels) up to 10 inches (25 cm) across
  • Pollinators: Bees, butterflies, and other insects

    Fruit

  • Type: Small, round drupes (berries)
  • Color: Dark purple to black when ripe
  • Size: ¼ inch (6 mm) diameter
  • Ripening Time: Late summer to early fall (August–September)
  • Edibility: Edible when cooked, toxic when raw (contains cyanogenic glycosides)

    Growing Conditions

  • Sunlight: Full sun to partial shade
  • Soil: Prefers moist, well-drained soil; tolerates a wide range of soil types, including clay and loam
  • pH: Slightly acidic to neutral (5.5–7.0)
  • Water Needs: Medium to high; thrives in moist environments like riverbanks and wetlands
  • Hardiness Zones: USDA zones 3–9
  • Propagation: Seeds, cuttings, or root suckers

    Ecological Importance

    Wildlife Value:

  • Provides food for birds (robins, bluebirds, cedar waxwings) and mammals (deer, raccoons)
  • Supports pollinators like bees and butterflies
  • Erosion Control: Helps stabilize soil in wetland areas
  • Companion Plants: Grows well with willows, red-twig dogwood, and other moisture-loving plants

    Uses

    Culinary Uses:

  • Berries used in jams, jellies, syrups, wines, and pies
  • Flowers can be made into teas, syrups, and elderflower cordial

    Medicinal Uses:

  • Traditionally used for immune support, colds, and flu (rich in antioxidants and vitamin C)
  • Anti-inflammatory and antiviral properties
  • Used in herbal teas and syrups

    Other Uses:

  • Dye from berries (deep purple)
  • Wood used for crafting flutes and small instruments
  • Ornamental shrub in gardens

    Toxicity

  • Raw Berries: Contain cyanogenic glycosides, which can cause nausea, vomiting, and diarrhea if consumed in large quantities
  • Leaves, Stems, and Unripe Berries: Toxic to humans and livestock
  • Cooking Neutralizes Toxins: Proper cooking makes the berries safe to consume

    Pest and Disease Resistance

  • Pests: Aphids, elder borer beetles, spider mites
  • Diseases: Powdery mildew, leaf spot, canker, verticillium wilt
  • Resilience: Generally low-maintenance and hardy in naturalized settings

    Interesting Facts

  • Used by Indigenous peoples for medicinal purposes and food
  • Elderberry syrup is popular in herbal medicine for immune support
  • Often confused with European elderberry (Sambucus nigra), which is similar but native to Europe
  • Flowers are highly fragrant and attract pollinators
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