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NPN Protocol Details Image

Solidago (spathulata)

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: Solidago spathulata DC. spathulata DC.
Common Name: Coastal Dune Goldenrod
Species Code: SOLSPA
Ecotype: Presidio, California
General Distribution: S. spathulata ssp. spathulata is found from Coos County, Oregon south to Monterery County, California in coastal dunes and scrub; up to 600 feet elevation.
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 September 3rd and October 7th.
Mature inflorescences are light 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: 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 lightly covered.
Flats are watered in with an automatic mist and irrigation system. Flats are placed on a heated bench.
Seeds are sown on August 1st.
%Germination:75%
Establishment Phase: Seeds germinate 30 days after sowing.
Seedlings are transplanted 30 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%.
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) Solidago spathulata DC. plants Deepot 16; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/12/21). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.