- Credited authors
- Riley, Lee E.; Klein, Kassandra.
- Organization
- USDA FS - Dorena Genetic Resource Center Cottage Grove, Oregon
- Record year
- 2024
- Propagation method
- Seed
- Product type
- Container (plug)
- Seed origin
- Crater Lake National Park
- Stock type
- 262 ml (16 in3) container
- Reported growing time
- 20 weeks
Polygonum shastense (Shasta knotweed) — propagation references
Propagation method: Seed; Plant family: Polygonaceae. Find the plant identity and credited nursery records together. Follow the original protocol for the full method and its growing conditions.
Common nameShasta knotweed
Record year2024
- Scientific name
- Polygonum shastense
- Common name
- Shasta knotweed
- Plant family
- Polygonaceae
Documented protocol references
Each entry describes a particular nursery record. Follow its source link for the complete growing procedure.
Sources & dates
Source checked 2026-10-10. Source conditions and dates matter; this archive does not imply publisher endorsement.