Drummond's Rush
Juncus drummondii
- Native to:
- Aleutian Is., Canada, United States
Matt Lavin (www.flickr.com)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Juncaceae
- Genus:
- Juncus
- Species:
- Juncus drummondii
- USDA Symbol:
- JUDR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- brown
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, well-drained, sandy loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- Common in alpine and subalpine meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination. Moist stratification improves germination rates.
The above propagation data sourced from Claude AI
Pre-treatment: 5 month outdoor cold-moist stratification
Establishment: Seeds are collected in late August when capsules are brown and just prior to splitting. The species is a frequent colonizer of talus and scree slides and disturbed ground in dry, subalpine meadows.
Source: npn.rngr.net