Bulbous Rush
Juncus bulbosus
- Native to:
- Algeria, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Corse, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Hungary, Iceland, Ireland, Italy, Madeira, Morocco, Netherlands, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Spain, Sweden, Switzerland, Tunisia, Türkiye-in-Europe, Ukraine
Krzysztof Ziarnek, Kenraiz
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Juncaceae
- Genus:
- Juncus
- Species:
- Juncus bulbosus
- USDA Symbol:
- JUBU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- green, brown
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- poor, sandy, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wet, acidic environments like bogs and fens
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination. Best germinated on moist surface in cool conditions.
The above propagation data sourced from Claude AI