Plant Data Sheet

Oregon Stonecrop

Sedum oreganum (Nutt)
Ben Legler

Range

Alaska to Northern California, from the coast to the Cascades.

Climate, elevation

Lowlands to 7000 feet. Maritime, coastal climate.

Local occurrence (where, how common)

Commonly found in Western Washington along coast to Cascades.

Habitat preferences

Mesic to dry conditions. Rocky areas, must have excellent drainage. Full or part shade.

Plant strategy type

Some tendency to out-compete other low groundcovers. Drought tolerant once established.

Associated species

Include Tsuga mertensiana, Pinus contorta, Pseudotsuga menziesii, Mahonia nervosa, Symphoricarpos albus, Asarum caudatum, and Achillea millefolium.

May be collected as: (seed, layered, divisions, etc.)

Division and stem and leaf cuttings are best.

Collection restrictions or guidelines

Best collected as cuttings and division. 

Seed germination

Sow at 20ºC (68ºF), germination slow do not cover, needs light 

Seed life (can be stored, short shelf-life, long shelf-life)

Propagation recommendations (plant seeds, vegetative parts, cuttings, etc.)

Seed sowing should be done in spring in a greenhouse. Plant out in summer if well-grown, otherwise keep them in a greenhouse or cold frame during the first winter and plant early summer the next year. Division should be done in spring or early summer. Short stems root easily in soil.

Soil or medium requirements (inoculum necessary?)

Soil should not dry out.

Installation form (form, potential for successful outcomes, cost)

Plants

Recommended planting density

Spacing should be between 6-12 inches.

Care requirements after installed (water weekly, water once etc.)

Water weekly until established if soil is porous.

Normal rate of growth or spread; lifespan

Spreads quickly  

Sources cited

Hartman et al. 2002. Plant Propagation : Principles and Practices. Upper Saddle River, N.J. : Prentice Hall

Pojar, Jim and Andy MacKinnon. 1994. Plants of the Pacific Northwest Coast: Washington, Oregon, British Columbia and Alaska. Lone Pine Publishing. Redmond, WAE-Flora BC: Electronic Atlas of the Plants of British Columbia: http://www.eflora.bc.ca/

Jepson Horticultural Database http://ucjeps.berkeley.edu/jepson_flora_project.html

Rainyside Gardens: http://www.rainyside.com

Paghat’s Garden: http://www.paghat.com

Manual of Oregon Actual Vegetation: http://bctma.mhcc.edu/students/wilcox/Lifestyles/GAPveg_250.pdf

Tom Clothier's Garden Walk and Talk: http://tomclothier.hort.net

Plants for a Future http://www.pfaf.org

Ground Covers for Mountain Communities: http://www.ext.colostate.edu/pubs/garden/07413.html

Burke Museum: http://www.washington.edu/burkemuseum/collections/herbarium/index.php

Data compiled by (student name and date)

Lorraine Brooks

April 13, 2006