Grindelia (stricta)
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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 | ||
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| Family Common Name: | Sunflower Family | ||
| Scientific Name: | Grindelia stricta DC. | ||
| Common Name: | Oregon Gumweed | ||
| Species Code: | GRISTR | ||
| Ecotype: | Presidio, California | ||
| General Distribution: | G. stricta is found in coastal salt marshes and seaside bluffs from Marin County, California to Coos County, Oregon. | ||
| 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 July 7th and November 17th. Mature inflorescences are off white in color. Seed is a flattened, glabrous achene at maturity. |
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| Propagule Processing: |
Seed Cleaning: Storage Conditions: Seeds are kept dry and stored in a refrigerator. |
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| Pre-Planting Treatments: | Soak seeds for 24 hours in fresh water. | ||
| 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 covered with media. Flats are watered in with an automatic mist and irrigation system and are placed on a heated bench. % Germination:N/A |
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| Establishment Phase: |
Seedlings are transplanted after germination to individual containers 2"x7" tubes (Deepot 16) containing standard potting mix of peat moss, fir bark, perlite, and sand. |
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| 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) Grindelia stricta DC. plants Deepot 16; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/21). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.
