The monterey pine (Pinus radiata) is a fast-growing pine native to just a few small areas of California's coast, yet planted around the world. This guide covers growing one from seed, plus our own grow log from the Spring Mason kit.
Quick facts
| Botanical name | Pinus radiata |
|---|---|
| Native range | Three small populations on California's central coast (San Mateo and Santa Cruz, Monterey, and San Luis Obispo counties), plus two Mexican islands |
| Mature size | 50 to 100 feet tall |
| Lifespan | [Your data: lifespan] |
| Sunset climate zones | 8, 9, 14-24 |
| Annual growth rate | [Your data: ft per year] |
| Seed source | [State] [Year] |
| Time to germinate | [Your data: days from sowing to sprout in the kit] |
| Difficulty | [Your rating: easy / moderate / challenging] |
Seed and germination
- Scarification (soaking): [Your data]
- Cold Stratification: [Your data]
- Germination: [Your data]
Watch our monterey pine seeds go from sowing to sprout on our YouTube channel, @SpringMasonTV.
Growing in the kit
[Your data: how the kit is set up, how much water the reservoir holds, how often to refill it, where to place it for light, and what temperatures work.]
Monterey pine is a fast starter that likes bright light and a well-drained medium.
Year one and beyond
[Your data: milestones, such as first true leaves, height at 4, 8 and 12 weeks, and when a seedling is ready to move to a larger pot or the ground.]
Monterey pine has low frost tolerance. Despite its tiny native range, it is widely grown as a timber tree in New Zealand, Australia, Chile, and South Africa.
Our grow log
| Date | Stage | Height | Notes |
|---|---|---|---|
| [Date sown] | Sown | [Your notes] | |
| [Date] | Germinated | [Your notes] | |
| [Date] | [Stage] | [Height] | [Your notes] |
[Time-lapse video goes here.]
Troubleshooting and FAQ
My seeds are not sprouting. Not every seed is viable. [Your data: how many seeds are in the vial and the germination rate we see.]
My seedling is collapsing or has gray mold. Seedlings are prone to damping-off, a fungal problem linked to excess moisture and poor airflow. [Your data: what to look for and what to do.]
Can I plant it outside? Monterey pine has low frost tolerance, so it does best in mild coastal climates, Sunset zones 8, 9, and 14-24. [Your data: climate guidance and timing.]
Sources
- Oregon State University Landscape Plants, Pinus radiata (size, native range, frost tolerance)
- Desert-Tropicals.com, Pinus radiata (climate zones)