Index / Search / Juncus roemerianus
§1 Plant
Juncus roemerianus Scheele
vernacular needlegrass rush — species · Juncaceae
§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
· 86 counties across 10 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- High
- Moisture use
- High
- Fire
- Medium
- Salinity
- High
- Anaerobic
- High
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 17 °F minimum
- Frost-free days
- 200 min.
- Precipitation
- 40–60 in/yr
- pH range
- 4–7
- Root depth
- 14 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 4.9 ft
- Foliage texture
- Coarse
- Foliage colour
- Dark Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Rapid
- Stratify
- No
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Graze palatability
- Low
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 86 counties across 10 states/territories.
Alabama view state ↗ 3 N ▾
Delaware view state ↗ 1 N ▾
Florida view state ↗ 21 N ▾
Georgia view state ↗ 4 N ▾
Louisiana view state ↗ 12 N ▾
Mississippi view state ↗ 4 N ▾
North Carolina view state ↗ 10 N ▾
South Carolina view state ↗ 3 N ▾
Texas view state ↗ 9 N ▾
Virginia view state ↗ 19 N ▾
- Accomack 51001
- Chesapeake (city) 51550
- Essex 51057
- Gloucester 51073
- Hampton (city) 51650
- Isle of Wight 51093
- King and Queen 51097
- King George 51099
- Lancaster 51103
- Mathews 51115
- Middlesex 51119
- New Kent 51127
- Newport News (city) 51700
- Northampton 51131
- Northumberland 51133
- Richmond 51159
- Surry 51181
- Virginia Beach (city) 51810
- York 51199
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JURO ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2701817 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T12:30:10Z