Blue Elderberry

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Other Names:
Blue Elder, Blueberry Elder, Mexican Elderberry, Cerulean Elder; Twana: TsiqWi'qWay
Latin Name:
Sambucus caerulea
Size *

The Blue Elderberry (Sambucus caerulea) is a generous, fast-growing native shrub or small tree, crowned in early summer with great creamy, lacy flower clusters and, by late summer, drooping bunches of powdery blue berries with a long history of food and medicine.2, 4

Edible & Medicinal Uses

Both the flowers and the ripe blue berries are edible and prized — but with one firm rule: the berries must be cooked before eating. Raw berries commonly cause nausea, and the leaves, bark, stems, and roots are toxic (they contain cyanide-forming compounds), so strip the berries from the stems and cook them. Properly cooked, the berries make superb syrup, jelly, pie, and wine, long valued for soothing colds and flu; the fragrant flowers can be made into cordial, tea, or fritters. Blue elderberry is the good edible one — its red-berried cousin is more toxic and not for the kitchen.1, 3, 5

Ornamental Qualities

Bold and beautiful, Blue Elderberry forms an arching, multi-stemmed shrub or small tree 10–20+ ft, with lush, divided foliage, flat creamy flower heads up to a foot across, and showy blue fruit. It's a fast, forgiving screen or hedgerow plant and a wildlife magnet, handsome with Pacific Crabapple and the native currants.2

Environment & Culture

Ecology: Widespread from British Columbia to California, Blue Elderberry grows along streams, roadsides, meadows, and forest openings, tolerating both moisture and summer drought. It's one of the most important bird-food plants in the West, and its flowers feed a wealth of pollinators.1, 4

Culture: Called "the medicine chest of the country people," elder has been food, medicine, dye, and craft material for countless generations — Indigenous peoples were its first tenders and continue to gather it — and the hollow stems are worked into flutes and tools. (Twana: TsiqWi'qWay.) We offer it with respect for that living knowledge and invite support for Indigenous-led restoration through our Charitable Giving page.4

In the Kitchen

Strip the ripe berries from their stems (freezing the clusters first makes this easy), then cook them — simmer into a deep, tangy syrup for pancakes and cold-season tonics, or into jelly, pie, and wine. Catch the flowers in early summer for an elderflower cordial or a batter-fried fritter. Always cook the berries, and never use the green parts.5 (Growing and harvest details are on the Planting Guide tab.)

Attributes

  • Native Range: British Columbia to California; streamsides, meadows, openings1
  • USDA Zones: ~4–93
  • Light: Full sun to light shade2
  • Water: Moderate; tolerates moisture and, once established, dry summers4
  • Soil: Fertile, well-drained; adaptable4
  • Habit: Fast, arching shrub / small tree, 10–20+ ft2
  • Edible: Cooked ripe berries & flowers only — never raw berries or green parts1

References

  1. Portland Nursery; Putah Creek Council, Sambucus caerulea.
  2. Pojar, J. & MacKinnon, A., Plants of the Pacific Northwest Coast, 2014.
  3. Oregon State University Extension, "Play It Safe When Preserving Elderberries" (EM 9446).
  4. Elise Krohn, Wild Foods and Medicines; UC ANR, Blue Elderberry.
  5. "Play It Safe When Preserving Elderberries," OSU Extension.

Pot Sizing Guide

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Planting Guide: Blue Elderberry (Sambucus caerulea)

Tip: Give it sun and room — it grows fast into a big, generous shrub — and remember the golden rule: harvest flowers and ripe berries, and always cook the berries.

When Your Plant Arrives

Open the box promptly and lift your plant out gently, holding the pot rather than the stem. Leave it in its biodegradable eco-pot for now — the roots are settled and don’t need disturbing yet. Give it a slow, thorough drink until water runs through the bottom, then set it somewhere bright but sheltered, out of harsh afternoon sun, drying wind, and frost. Let it rest and acclimate there for a few days before planting, so the move from our greenhouse to your garden is a gentle one. If anything doesn’t look right, please contact customer service within 7 days of delivery and we’ll take care of you.

Choosing a Site

Light: Full sun to light shade.

Soil: Fertile, well-drained; adaptable to moist ground or (once established) dry.

Space: 8–12 ft apart — it grows into a large shrub or small tree.

Planting Steps

Plant in fall or spring while dormant.

If it came in a biodegradable eco-pot, plant it pot and all — the pot is pressed from composted cow manure, so it melts into the soil and gives the young roots their first feed. No need to remove it.

Set at the depth it grew, backfill with compost, firm, water in, and mulch.

Watering & Care

Establishment: Water through the first season.

After establishment: Moderate water; it shrugs off dry summers once rooted.

Pruning: It can get leggy — renew a portion of the oldest canes each late winter and thin for airflow; it regrows vigorously.

Protection

Deer: Sometimes browsed.

Wildlife: One of the West’s top bird-food shrubs, and the flowers feed a host of pollinators.

Safety (important): Leaves, bark, stems, roots, and raw berries are toxic. Never eat any green part, and always strip berries fully from their stems.

Harvest Basics

Season: Flowers in early summer; berries in late summer when fully blue (with a dusty bloom) and ripe.

Prep (essential): Cook ripe, de-stemmed berries before eating — raw berries commonly cause nausea. Cooked, they make syrup, jelly, pie, and wine; the flowers are lovely in cordial or fritters. Never eat berries raw or any green part.