Index / Search / Juncus secundus

§1 Plant

Juncus secundus P. Beauv. ex Poir.

vernacular lopsided rush — species · Juncaceae


USDA
JUSE
GBIF
2701158
Rank
species
lopsided rush (Juncus secundus)
Platephotograph · Don SutherlandCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

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

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native
§2b

County-level range

· 2 counties across 1 state
Legend Native · 2 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
85 min.
Precipitation
32–55 in/yr
pH range
4.9–6.8
Root depth
8 in min.
Fertility need
Low
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Bunch
Growth rate
Moderate
Lifespan
Moderate
Mature height
1.5 ft
Foliage texture
Fine
Foliage colour
Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
Green
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Low
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
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 2 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/JUSE ↗

GBIF Backbone

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

gbif.org/species/2701158 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T18:27:19Z