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NPN Protocol Details Image

Silene (verecunda)

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: Caryophyllaceae
Family Common Name: Pink Family
Scientific Name: Silene verecunda S. Wats. verecunda S. Wats.
Common Name: San Francisco Campion
Species Code: SILVER
Ecotype: Marin County, California
General Distribution: S. verecunda ssp. verecunda is found in sandy dunes from San Francisco to Santa Cruz County, California.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Stock Type: Deepot 16
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 May 1st and August 1st.
Mature fruits are light to dark tan.
Seed is black/brown at maturity.
Propagule Processing: Seed Cleaning: None required.
Storage Conditions: Seeds are kept dry and stored in a refrigerator.
Seeds/gram: 1206
Pre-Planting Treatments: Soak seeds in fresh water for 3 hours. Cold stratify in the refrigerator for 2 weeks.
Growing Area Preparation/
Annual Practices for Perennial Crops:
Fully Controlled Greenhouse.
Sowing Method: Transplanting Germinants.
1 gram of seed is sown per flat containing Sunshine Mix #4 Aggregate Plus (peat moss, perlite, major and minor nutrients, gypsum, and dolomitic lime).
Seeds are mixed with media to sow and are lightly covered.
Flats are watered in with an automatic mist and irrigation system.
Seeds are sown on August 1st.
% Germination: 50%
Establishment Phase: Seeds germinate 10 days after sowing.
Seedlings are transplanted 10 days after germination to individual containers 2"x7" tubes (Deepot 16) containing standard potting mix of peat moss, fir bark, perlite, and sand.
Transplant Survival averages 90%.
Length of Establishment Phase: 20 days
Active Growth Phase: Prune back as needed; this species grows quickly.
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) Silene verecunda S. Wats. plants Deepot 16; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/22). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.