Index / Search / Juncus megacephalus
§1 Plant
Juncus megacephalus M.A. Curtis
vernacular bighead 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
· 108 counties across 10 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Low
- Moisture use
- High
- Fire
- High
- Salinity
- Medium
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 12 °F minimum
- Frost-free days
- 200 min.
- Precipitation
- 36–55 in/yr
- pH range
- 4.5–6.8
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 3.1 ft
- Foliage texture
- Coarse
- Foliage colour
- 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
- Early Summer
- 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 108 counties across 10 states/territories.
Alabama view state ↗ 7 N ▾
Florida view state ↗ 56 N ▾
- Alachua 12001
- Baker 12003
- Bay 12005
- Bradford 12007
- Brevard 12009
- Broward 12011
- Charlotte 12015
- Citrus 12017
- Clay 12019
- Collier 12021
- Columbia 12023
- DeSoto 12027
- Dixie 12029
- Duval 12031
- Flagler 12035
- Franklin 12037
- Gilchrist 12041
- Gulf 12045
- Hardee 12049
- Hendry 12051
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Lafayette 12067
- Lake 12069
- Lee 12071
- Leon 12073
- Levy 12075
- Liberty 12077
- Manatee 12081
- Marion 12083
- Martin 12085
- Miami-Dade 12086
- Monroe 12087
- Nassau 12089
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Osceola 12097
- Palm Beach 12099
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Sarasota 12115
- Seminole 12117
- St. Johns 12109
- St. Lucie 12111
- Sumter 12119
- Taylor 12123
- Union 12125
- Volusia 12127
- Wakulla 12129
- Walton 12131
Georgia view state ↗ 8 N ▾
Louisiana view state ↗ 9 N ▾
Maryland view state ↗ 1 N ▾
Mississippi view state ↗ 4 N ▾
North Carolina view state ↗ 12 N ▾
South Carolina view state ↗ 4 N ▾
Virginia view state ↗ 2 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JUME ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2701552 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T11:35:19Z