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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

Eryngium (armatum)

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: Apiaceae
Family Common Name: Carrot Family
Scientific Name: Eryngium armatum (Wats.) Coult. & Rose
Common Name: Coastal Eryngo
Species Code: ERYARM
Ecotype: Presidio, California
General Distribution: E. armatum is found in coastal flats below 500 feet elevation, from Santa Barbara County to Humboldt County, California.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Stock Type: Treeband #5
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 October 7 th and Decmber 30th.
Seed is ovoid in shape and covered with white and green scales at maturity.
Propagule Processing: Seed Cleaning:Flower heads are rubbed over sieve No. 12 using a pair of gloves.
Storage Conditions: Seeds are kept dry and stored at room temperature.
Pre-Planting Treatments: Seeds are soaked in fresh water for 24 hours.
Growing Area Preparation/
Annual Practices for Perennial Crops:
Fully Controlled Greenhouse.
Sowing Method: Transplanting Germinants.
Seeds are sown in flats 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 covered.
Germination %:58%
Establishment Phase: Seedlings are transplanted after germination to individual containers 2x2x5 inch (Treeband #5) containing standard potting mix of peat moss, fir bark, perlite, and sand.
Active Growth Phase: After seedlings are established, they are placed in the shadehouse for continued growth.
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) Eryngium armatum (Wats.) Coult. & Rose plants Treeband #5; 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.