Subalpine Larch
Larix lyallii
- Native to:
- Canada, United States
iNaturalist: © je9h (iNaturalist #17163064)
Taxonomy
- Division:
- Coniferophyta | - Conifers
- Family:
- Pinaceae
- Genus:
- Larix
- Species:
- Larix lyallii
- USDA Symbol:
- LALY
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 2500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
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
Black zigzag (Panthea acronyctoides)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 4.5 - 6.0 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to subalpine regions with harsh conditions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 21–60 days
- Notes:
- Seeds benefit from 30-60 days cold stratification; sow in spring.
Pre-treatment: None required
Establishment: The protocol does not provide specific information on propagation source, pre-treatment, establishment protocol, temperature, germination rate, or germination time for Alopecurus alpinus.
Source: npn.rngr.net
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)