- 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
- 18 weeks
Penstemon rydbergii (Rydberg’s penstemon) — propagation references
Propagation method: Seed; Plant family: Scrophulariaceae. Find the plant identity and credited nursery records together. Follow the original protocol for the full method and its growing conditions.
Common nameRydberg’s penstemon
Record year2016
- Scientific name
- Penstemon rydbergii
- Common name
- Rydberg’s penstemon
- Plant family
- Scrophulariaceae
Documented protocol references
Each entry describes a particular nursery record. Follow its source link for the complete growing procedure.
- Credited authors
- Tilley, Derek.
- Organization
- USDA NRCS - Aberdeen Plant Materials Center Aberdeen, Idaho
- Record year
- 2016
- Propagation method
- Seed
- Product type
- Container (plug)
- Seed origin
- Yosemite National Park
- Stock type
- 10 cubic inch conetainer
- Reported growing time
- 5 months
Sources & dates
Source checked 2026-10-10. Source conditions and dates matter; this archive does not imply publisher endorsement.