Bishop Pine
Pinus muricata
- Native to:
- Mexico, United States
garmonb0zia (www.inaturalist.org)






Taxonomy
- Division:
- Coniferophyta | - Conifers
- Family:
- Pinaceae
- Genus:
- Pinus
- Species:
- Pinus muricata
- USDA Symbol:
- PIMU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 2500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Egira baueri, Rhyacionia pasadenana, sequoia pitch moth (Synanthedon sequoiae), Entomologist's hairstreak (Incisalia eryphon)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Requires fire for germination
- Fire Notes:
- Bishop Pine is a classic fire-dependent species with serotinous cones that remain closed until opened by fire heat. Populations regenerate primarily after stand-replacing fires.
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 5.0 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Commonly found in coastal areas with poor soil fertility.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds germinate best after cold stratification. Fire or heat treatment can enhance germination of serotinous cone seeds.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Notes: Seeds require light for germination; do not cover.
Source: Claude AI