Polygonum (paronychia)
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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: | Polygonaceae | ||
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| Family Common Name: | Buckwheat Family | ||
| Scientific Name: | Polygonum paronychia Cham & Schlecht. | ||
| Common Name: | Beach Knotweed | ||
| Species Code: | POLPAR | ||
| Ecotype: | Presidio, California | ||
| General Distribution: | P. paronychia is found in coastal strand communities; from Monterery County, California, to British Columbia. | ||
| 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 May 22nd and September 30th. Seed is shiny black at maturity. |
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| Propagule Processing: |
Seed Cleaning: Rub capsules over a screen. Storage Conditions: Seeds are kept dry and stored in a refrigerator. Seeds/gram: 243 |
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| Pre-Planting Treatments: |
Seeds require scarification. Seeds can be placed in boiling water then cooled overnight. Seeds can also be scarified in a rock tumbler with sharp edge rocks. After scarification, place seeds in fresh water for 24 hours. |
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| 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. Seeds are sown on April 1st. % Germination: 50% |
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| 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 85%. |
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| Length of Establishment Phase: | 2 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) Polygonum paronychia Cham & Schlecht. plants Deepot 16; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/02). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.
