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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

Erigeron (glaucus)

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: Asteraceae
Family Common Name: Sunflower Family
Scientific Name: Erigeron glaucus Ker.
Common Name: Seaside Daisy
Species Code: ERIGLA
Ecotype: Marin County, California
General Distribution: E. glaucus is found on beaches and coastal bluffs below 500 feet elevation, from Santa Barbara County, California, north to Clatsop County, Oregon.
Propagation Goal: plants
Propagation Method: seed
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 July 1st.
Mature inflorescences are light brown.
Seed is dark and hard at maturity.
Propagule Processing: Seed Cleaning:Rub flower heads over screens to remove pappus.
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: Transplanting Germinants.
4 grams of seeds are 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 irrigation system.
Seeds are sown on August 15th.
% 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 95%.
Length of Establishment Phase: 20 days
Active Growth Phase: Fertilize with Nutricote NPK (13-13-13) 1 month after transplanting.
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 Erigeron glaucus Ker. plants Deepot 16; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/03). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.