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Pinus (Abies)



Abies (fraseri)


Pinus

Pine


Abies

fraseri







Pinus

fraseri






Fraser fir

ABFR


Native to the southern Appalachian Mountains of southwestern Virginia, western North Carolina, and eastern Tennessee. Grows at high elevation in a cold, moist climate. Performs best in full sun or partial shade in rich, slightly acidic, moist, well-drained soils.


Plants

Seed

Container (plug)

164 ml (10 in3) container

24 weeks

Stock Type: Container seedling Root System: Firm plug in container.



Seeds are placed in fine mesh bags into a 1% hydrogen peroxide (3:1 water/3% hydrogen peroxide) soak for 24 hours, rinsed, and placed in water for an additional 24 hours. The bags are placed in sealed containers in refrigeration at 1 to 3 °C for 45 days. It is very important to check seeds weekly. If mold is evident, seeds should be treated with 1% hydrogen peroxide.

Greenhouse growing facility. Seeds are directly sown into containers. Seeds are lightly covered with nursery grit. Growing medium used is 40:20:20:20 peat:composted fir bark:perlite:pumice with Apex controlled release fertilizer (16N:5P2O5:10K2O with minors; 6 to 7 month release rate at 21C) at the rate of 0.6 gram Apex per 164 ml container.

Germination is somewhat slow and uneven, and may take up to 3 to 4 weeks to be complete. Once the majority of germination has occurred, seedlings are fertilized for 3 weeks with soluble 12-2-14-6Ca-3Mg at 75 to 100 ppm.

6 weeks

During the growing season, fertilization depends on weather and physiological needs. Soluble 20-9-20 NPK, 20-18-18 NPK, or 17-5-24 NPK at a range of 100 to 150 ppm is applied weekly.

18 to 20 weeks

No dry-down is done to induce dormancy. Seedlings are moved to an outdoor growing area in early September.

3 to 4 weeks depending on chilling hours

Harvest Date: Late-October Storage Conditions: Seedlings are usually outplanted in fall. No storage except in outdoor growing area. Plants are well irrigated prior to shipping and shipped in containers. Seedlings can be extracted in late December and frozen until spring outplanting.

3 to 4 months


USDA Hardiness Zone 4 to 7 Wetland classification: FACU Used as ornamental yard tree and grown commercially as Christmas tree. Of conservation concern. Threatened by the exotic balsam woolly adelgid and changing climate conditions.

Dorena Genetic Resource Center Propagation Records, unpublished. Missouri Botanical Garden. Abies fraseri. URL: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=284981 (accessed 16 May 2023). USDA Natural Resources Conservation Service. Abies fraseri (Pursh) Poir. Fraser fir. URL: https://plants.usda.gov/home/plantProfile?symbol=ABFR (accessed 16 May 2023).

Riley, Lee E.. 2024. Propagation protocol for production of Container (plug) Abies fraseri Plants 164 ml (10 in3) container; USDA FS - Dorena Genetic Resource Center Cottage Grove, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/05/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.