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Rosa (gymnocarpa)
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: | Rosaceae | ||
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Family Common Name: | Rose Family | ||
Scientific Name: | Rosa gymnocarpa Nutt. | ||
Common Name: | Dwarf Wild Rose | ||
Species Code: | ROSGYM | ||
Ecotype: | Muir Woods, California | ||
General Distribution: | R. gymnocarpa is found from British Columbia and Montana to Monterery and Fresno counties, California; in shaded woods, mostly below 6,000 feet elevation. | ||
Propagation Goal: | plants | ||
Propagation Method: | seed | ||
ProductType: | Container (plug) | ||
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 July 1st. Mature fruits are red. Seed is tan and hard at maturity. |
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Propagule Processing: |
Seed Cleaning:Fruits are opened by hand to extract the seeds. There are 1 to 3 seeds per fruit. Storage Conditions: Seeds are kept dry and stored in a refrigerator. |
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Pre-Planting Treatments: | Stratify seeds for 90 days in the refrigerator. | ||
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 surface sown. Flats are watered in with an automatic irrigation system. % Germination: 70% |
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Establishment Phase: |
Seeds germinate 112 days after sowing. Seedlings are transplanted 112 days after germination to individual containers containing standard potting mix of peat moss, fir bark, perlite, and sand. Transplant Survival averages 80%. |
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Length of Establishment Phase: | 4 months | ||
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) Rosa gymnocarpa Nutt. plants San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/09/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.