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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Phacelia (californica)

Betty Young
Nurseries Sr Manager
Bldg 201, Fort Mason
San Francisco, California 94123
415-331-6917
415-331-7521 (fax)
byoung@ggnpa.org

Family Scientific Name: Hydrophyllaceae
Family Common Name: Water Leaf Family
Scientific Name: Phacelia californica Cham.
Common Name: California Phacelia
Species Code: PHACAL
Ecotype: Tennessee Valley, California
General Distribution: P. californica is found in rocky bluffs and canyons, mostly below 1,500 feet elevation, in north coastal scrub and chapparal; from Del Norte County to Santa Clara County, California.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Stock Type: Leach Tubes
Time To Grow: 0
Target Specifications: Height: N/A<br> Caliper: N/A<br> Root System: Firm plug in container.
Propagule Collection: Seeds are collected between June 1st and October 31st.
Mature capsules are brown.
Propagule Processing: Seed Cleaning:None required.
Storage Conditions: Seeds are kept dry and stored in a refrigerator.
Pre-Planting Treatments: None required.
Growing Area Preparation/
Annual Practices for Perennial Crops:
Fully Controlled Greenhouse.
Sowing Method: Direct Seeding.
4 seeds are sown per Leach tube (1.5"x 8") containing standard potting mix of peat moss, fir bark, perlite, and sand. Seeds are planted 1 time the diameter to depth.
Containers are watered in with an automatic mist and irrigation system.
Seeds are sown on May 1st.
% Germination: 70%
Establishment Phase: Seeds germinate 21 days after sowing.
Extra seedlings are transplanted 21 days after germination to individual containers.
Transplant Survival averages 75%.
Length of Establishment Phase: 42 days
References: A California Flora and Supplement, Munz, P., University of California Press, Berkeley and London, 1973.

Citation:

Young, Betty. 2001. Propagation protocol for production of Container (plug) Phacelia californica Cham. plants Leach Tubes; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/02). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.