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Protocol Information

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

Family Scientific Name: Rosaceae
Family Common Name: Rose Family
Scientific Name: Prunus ilicifolia (Nutt. ex Hook. & Arn.) D. Dietr.
Common Name: Hollyleaf Cherry
Species Code: PRUILI
Ecotype: Marin County, California
General Distribution: P. ilicifolia is found on dry slopes and fans, mostly below 5,000 feet elevation; from the Coast ranges and Napa County south to Lower California and Santa Catalina and San Clemente islands.
Propagation Goal: Plants
Propagation Method: Seed
Product Type: Container (plug)
Stock Type: Deepot 40
Target Specifications: Height: N/A
Caliper: N/A
Root System: Firm plug in container.
Propagule Collection: Seeds are collected between January 6th and January 10th.
Mature fruitsred to blue-black.
Seed is tan and hard at maturity.
Propagule Processing: Seed Cleaning: Mash fruits by hand in water. Continue and float pulp off seeds.
Storage Conditions: Seeds are kept dry and stored in a refrigerator.
Seeds/gram: 10
Pre-Planting Treatments: Soak seeds overnight in fresh water. Rinse in 5% bleach solution for 1 minute and rinse thoroughly in water. Place seeds in a plastic freezer bag with an equal amount of perlite. Place in stratification at 40 F in a refrigerator for 1 to 3 months or until seeds begin to germinate.
Growing Area Preparation/
Annual Practices for Perennial Crops:

Fully Controlled Greenhouse.
Sowing Method: Direct Seeding.
1 seed is sown per 2" x 10" tubes (Deepot 40) containing standard potting mix of peat moss, fir bark, perlite, and sand
Seeds are planted 1 times the seed diameter to depth.
Containers are watered in with an automatic irrigation system.
Seeds are sown on March 1st.
% Germination: 25%
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 Prunus ilicifolia (Nutt. ex Hook. & Arn.) D. Dietr. plants (Deepot 40); , San Francisco, California. In: Native Plant Network. URL: http://www.nativeplantnetwork.org (accessed 29 August 2015). Moscow (ID): University of Idaho, College of Natural Resources, Forest Research Nursery.