A Maddenii Rhododendron Resource Guide

By: Phil Van Soelen

Phil Van Soelen is the co-owner with Sherrie Althouse of California Flora Nursery, a small, unconventional nursery devoted to California…

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As a companion to the article by Joe Eck and Wayne Winterrowd on the wonderfully fragrant Maddenii rhododendrons, in the April 2009 issue of Pacific Horticulture, we offer the following resource guide to public gardens where these rhododendrons can be seen and enjoyed, and to nursery sources where plants can be obtained. The Maddenii group of rhododendrons are well adapted to the cool, frost-free coastal zones of Central and Northern California and Oregon; elsewhere, they will need some protection from frost, but, as Joe and Wayne discovered, their fragrance is worth any effort.

Public Gardens

Mendocino Coast Botanical Gardens
18220 North Highway One
Fort Bragg, CA 95437
707/964-4352
www.gardenbythesea.org
Gift shop and nursery

Rhododendron Species Botanical Garden
2525 S 336th Street (on the Weyerhaeuser Corporate Campus)
Federal Way, WA 98003
253/838-4646
www.rhodygarden.org
Gift shop and nursery

San Francisco Botanical Garden at Strybing Arboretum
9th Avenue at Lincoln Way
Golden Gate Park
San Francisco, CA 94122
415/661-1316
www.sfbotanicalgarden.org
Periodic plant sales

Nursery Sources

Gossler Farms
1200 Weaver Road
Springfield, OR 97478
541/746-3922
541/744-7924 (fax)
www.gosslerfarms.com
Online catalog and mail order

Greer Gardens
1280 Goodpasture Island Road
Eugene, OR 97401
800/548-0111
www.greergardens.com
Online catalog, mail order, and walk-in

Mendocino Coast Botanical Gardens
See above for details

Rhododendron species Botanical Garden
See above for details

River Rock Nursery
19350 SE Highway 224
Carver, OR
503/658-4047
www.riverrocknursery.com
Online catalog and mail order

Sonoma Horticultural Nursery
3970 Azalea Avenue
Sebastopol, CA 95472
707/823-6832
www.sonomahort.com
Online catalog and walk-in.

Please be sure to mention Pacific Horticulture when contacting any of these vendors.

For Further Reading

There is a rich body of literature on Rhododendron. Some recent and more comprehensive references include:

Argent, GC, and M McFarlane, Eds. Rhododendrons in Horticulture and Science. Edinburgh, Scotland: Royal Botanic Garden, 2003.

Cox, PA, and KNE Cox. The Encyclopedia of Rhododendron Species. Perth, Scotland: Glendoick Press, 1997.

Cullen, James. Hardy Rhododendron Species. Portland: Timber Press, 2005.

Postan, C, editor. The Rhododendron Story: 200 Years of Plant Hunting and Garden Cultivation. London: Royal Horticultural Society, 1996.

For additional information on rhododendrons, visit the website of the American Rhododendron Society (www.rhododendron.org).

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