Redstem Ceanothus
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Other Names:
Redstem Ceanothus, Oregon Tea Tree, Wild Lilac, Soapbloom, Buckbrush
Latin Name:
Ceanothus sanguineus
Available July 20, 2026.  Plants ship within 3 weeks of this date, shipped in the order they were received. NOTE: We will wait to ship your order until all your plants become available.
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The Redstem Ceanothus (Ceanothus sanguineus) is a deciduous, nitrogen-fixing shrub with fragrant white flower sprays in spring and young stems that flush from green to a striking red-purple — a fast, generous healer of poor and disturbed soils.2, 4

Everyday & Traditional Uses

Known as "soapbloom" for good reason, Redstem is saponin-rich: crush the flowers with water and they beat into a gentle, fragrant foam that cleans without stripping the skin's natural oils — a fine body or hair wash. The dried leaves make a mild tea, a green dye comes from the flowers, and a poultice of the bark has been used on burns and sores. We share this as traditional and cultural knowledge.1, 4

Ornamental Qualities

A handsome medium shrub, Redstem Ceanothus carries big, highly fragrant sprays of creamy-white flowers in spring, while its new stems shift from light green to an intriguing red-purple that gives the plant its name — a lovely, unfussy addition to the native garden.1

Environment & Culture

Ecology: A nitrogen-fixer and pioneer of recently disturbed ground, Redstem grows quickly in poor or damaged soils, making it a powerful ally for soil restoration. It's found under conifers and along meadow edges — plant it as an understory companion to California Black Oak, Oregon White Oak, or California Foothill Pine. Its fragrant flowers feed native bees and butterflies.1, 2

Culture: Northwest peoples value this shrub as soap, medicine, dye, and relative, and continue to steward and restore it today. We offer it with respect for that living knowledge and invite support for Indigenous-led restoration through our Charitable Giving page.4

In the Garden & Home

Use it to build soil and welcome pollinators in a restoration planting or oak understory — and rub a handful of wet spring flowers into a soft, fragrant lather for a natural wash. (Growing and harvest details are on the Planting Guide tab.)

Attributes

  • Native Range: Across the PNW; disturbed ground, conifer understory, meadow edges1
  • USDA Zones: ~5–93
  • Light: Full sun to part shade1
  • Water: Low; drought-tolerant once established1
  • Soil: Poor to average, well-drained; fixes its own nitrogen1
  • Habit: Deciduous shrub; red-purple young stems; white spring flowers2
  • Use: Flowers as soap; leaves as tea; dye; soil-builder & pollinator plant4

References

  1. Native Foods Nursery field notes; Native Plants PNW, Ceanothus sanguineus.
  2. Pojar, J. & MacKinnon, A., Plants of the Pacific Northwest Coast, 2014.
  3. USDA PLANTS Database, Ceanothus sanguineus.
  4. Moerman, D., Native American Ethnobotany, 1998.

Pot Sizing Guide

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Planting Guide: Redstem Ceanothus (Ceanothus sanguineus)

Tip: Plant it to build soil — it fixes nitrogen and thrives in poor, disturbed ground, so give it sun to part shade, lean soil, and no summer pampering.

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 part shade.

Soil: Poor to average, well-drained.

Space: 5–8 ft apart.

Planting Steps

Plant in fall or spring.

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, firm, and water in once. Avoid rich beds and summer irrigation. It shines as an oak or pine understory or a restoration shrub.

Watering & Care

Establishment: Light water the first season only.

After establishment: Drought-tolerant; avoid heavy summer water.

Protection

Wildlife: Fragrant flowers feed native bees and butterflies.

Note: A nitrogen-fixer that builds soil; often fast-growing but relatively short-lived, so let it self-seed or plan to replace it in time.

Harvest Basics

Season: Flowers in spring; leaves any time.

Use: Not a food plant — but the saponin-rich flowers whip into a fragrant lather soap, and the dried leaves make a mild tea.