Plantae > Tracheophyta > Liliopsida > Poales > Juncaceae > Juncus > Juncus biflorus

Juncus biflorus (grassleaf rush)

Synonyms: Juncus aristulatus biflorus; Juncus biflorus f. adinus; Juncus biflorus f. biflorus; Juncus marginatus odoratus; Juncus marginatus var. biflorus (homotypic)

Attributes

Allergen Potential [1]  Medium-High
Screening - Summer [2]  Moderate
Screening - Winter [2]  Porous
Bloom Period [2]  Spring
Drought Tolerance [2]  None
Fire Tolerance [2]  High
Frost Free Days [2]  4 months 25 days
Fruit/Seed Abundance [2]  Medium
Fruit/Seed Begin [2]  Summer
Fruit/Seed End [2]  Summer
Growth Form [2]  Rhizomatous
Growth Period [2]  Spring, Summer, Fall
Growth Rate [2]  Rapid
Leaf Type [3]  Evergreen
Lifespan [2]  Perennial
Propagation [2]  Bare Root, Seed, Sprig
Regrowth Rate [2]  Slow
Root Depth [2]  14 inches (36 cm)
Seed Spread Rate [2]  Moderate
Seed Vigor [2]  Medium
Shape/Orientation [2]  Erect
Structure [3]  Grass
Vegetative Spread Rate [2]  Slow
Flower Color [2]  Red
Foliage Color [2]  Green
Fruit Color [2]  Brown
Height [2]  3.608 feet (1.1 m)
Hardiness Zone Minimum [2]  USDA Zone: 5 Low Temperature: -20 F° (-28.9 C°) → -10 F° (-23.3 C°)
Light Preference [2]  Mostly Shady
Soil Acidity [2]  Moderate Acid
Soil Fertility [2]  Intermediate
Water Use [2]  High

Protected Areas

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0