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Protocol Information

Betty Young
Nurseries Sr Manager
Bldg 201, Fort Mason
San Francisco, California 94123

Family Scientific Name: Lauraceae
Family Common Name: Laurel Family
Scientific Name: Umbellularia californica (Hook. & Arn.) Nutt.
Common Name: California laurel
Species Code: UMBCAL
Ecotype: Presidio, California
General Distribution: U. californica is found from in canyons and valleys, mostly below 5,000 feet elevation; from the coast ranges and Sierra Nevada of southern Caliofrnia north to southern Oregon.
Propagation Goal: Plants
Propagation Method: Seed
Product Type: Container (plug)
Stock Type: Treeband 14
Target Specifications: Height: N/A
Caliper: N/A
Root System: Firm plug in container.
Propagule Collection: Seeds are collected between October 15th and November 30th.
Mature fruits are dark purple.
Seed is brown at maturity.
Propagule Processing: N/A
Pre-Planting Treatments: Stratify seeds for 3 to 4 months in refrigerator.
Growing Area Preparation/
Annual Practices for Perennial Crops:

Full Sun in Nursery.
Sowing Method: Direct Seeding.
Containers are 4x4x14 inch(Treeband #14)and are filled with standard potting mix of peat moss, fir bark, perlite, and sand.
Containers are watered in with automatic irrigation system. % Germination: N/A
References: A California Flora and Supplement, Munz, P., University of California Press, Berkeley and London, 1973.

Young, Betty 2001. Propagation protocol for production of container Umbellularia californica (Hook. & Arn.) Nutt. plants (Treeband 14); , San Francisco, California. In: Native Plant Network. URL: http://www.nativeplantnetwork.org (accessed 28 August 2015). Moscow (ID): University of Idaho, College of Natural Resources, Forest Research Nursery.