Sharpflower Rush
Juncus acutiflorus
- Native to:
- Albania, Austria, Baleares, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, Føroyar, France, Germany, Greece, Iraq, Ireland, Italy, Lebanon-Syria, Morocco, Netherlands, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Sardegna, Sicilia, Spain, Switzerland, Ukraine
Johann Georg Sturm (Painter: Jacob Sturm (en.wikipedia.org) ),Krzysztof Ziarnek, Kenraiz,Krzysztof Ziarnek, Kenraiz,James K. Lindsey,Krzysztof Ziarnek, Kenraiz,Krzysztof Ziarnek, Kenraiz,Jan Kops (en.wikipedia.org),Stefan.lefnaer,Krzysztof Ziarnek, Kenraiz,Stefan.lefnaer,Stefan.lefnaer,Stefan.lefnaer
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Juncaceae
- Genus:
- Juncus
- Species:
- Juncus acutiflorus
- USDA Symbol:
- JUAC3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 100 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- brown
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, waterfowl
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, nutrient-rich, loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wet meadows and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination; surface sow on moist substrate.
The above propagation data sourced from Claude AI