Index / Search / Juncus biflorus

§1 Plant

Juncus biflorus Elliott

vernacular bog rush — species · Juncaceae


USDA
JUBI
GBIF
2701534
Rank
species
bog rush (Juncus biflorus)
Platephotograph · Michael J. PapayCC BY source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Juncaceae Juss.
Genus
Juncus
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 129 counties across 14 states/territories
Legend Native · 129 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
None
Shade
Low
Moisture use
High
Fire
High
Salinity
Low
Anaerobic
High
CaCO₃
Low
Hedging
None
§3b

Climate & soil

Cold tolerance
-18 °F minimum
Frost-free days
145 min.
Precipitation
35–55 in/yr
pH range
4.5–7
Root depth
14 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Rhizomatous
Growth rate
Rapid
Lifespan
Moderate
Mature height
3.5 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Red
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Moderate
Stratify
No
Propagation
seed, bare root, sprigs
§3e

Use & availability

Commercial availability
No Known Source
Nursery stock
No
Browse palatability
Low
Graze palatability
Low
Palatable, human
No
Protein potential
Low
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 129 counties across 14 states/territories.

Alabama view state ↗ 12 N
Arkansas view state ↗ 2 N
Delaware view state ↗ 1 N
District of Columbia view state ↗ 1 N
Florida view state ↗ 2 N
Georgia view state ↗ 28 N
Kentucky view state ↗ 44 N
Maryland view state ↗ 2 N
Massachusetts view state ↗ 2 N
New Jersey view state ↗ 9 N
New York view state ↗ 6 N
Pennsylvania view state ↗ 10 N
Virginia view state ↗ 4 N
West Virginia view state ↗ 6 N

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/JUBI ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2701534 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:06:36Z