Achillea (millefolium)
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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: | Achillea millefolium L. | ||
| Common Name: | Yarrow | ||
| Species Code: | ACHMIL | ||
| Ecotype: | Marin County, California | ||
| General Distribution: | A. millefolium is a circumboreal species, found throughout North America, Asia and Europe. | ||
| 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 June 20th and November 15th. Mature inflorescences are brown. Seed is light gray at maturity, more or less 2 mm long, oblong to ovate, compressed. |
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| Propagule Processing: |
If seed heads are completely removed from plants, then heads should be rubbed over a sieve screen (#12 or #14) to release seeds. Chaff mixed with seeds ia acceptable. Storage Conditions: Seeds are kept dry and stored in a refrigerator. |
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| Pre-Planting Treatments: | None required. | ||
| 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 mixed with media to sow and are lightly covered. Flats are watered in with an autmatic irrigation system. Seeds are sown on July 1st. % Germination: 40% |
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| Establishment Phase: |
Seeds germinate 15 days after sowing. Seedlings are transplanted 15 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%. |
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| Length of Establishment Phase: | 4 weeks | ||
| 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) Achillea millefolium L. plants Deepot 16; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/11/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.
