Index / Search / Calamagrostis coarctata
§1 Plant
Calamagrostis coarctata Eaton
vernacular Nuttall's reedgrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Calamagrostis
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 234 counties across 21 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- Medium
- Fire
- Low
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -28 °F minimum
- Frost-free days
- 110 min.
- Precipitation
- 35–65 in/yr
- pH range
- 4–7
- Root depth
- 6 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
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Fall
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Graze palatability
- High
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 234 counties across 21 states/territories.
Alabama view state ↗ 3 N ▾
Delaware view state ↗ 3 N ▾
District of Columbia view state ↗ 1 N ▾
Georgia view state ↗ 5 N ▾
Kentucky view state ↗ 13 N ▾
Louisiana view state ↗ 1 N ▾
Maine view state ↗ 1 N ▾
Maryland view state ↗ 1 N ▾
Massachusetts view state ↗ 12 N ▾
Mississippi view state ↗ 1 N ▾
New Hampshire view state ↗ 2 N ▾
New Jersey view state ↗ 14 N ▾
New York view state ↗ 11 N ▾
North Carolina view state ↗ 45 N ▾
- Alleghany 37005
- Ashe 37009
- Beaufort 37013
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Buncombe 37021
- Burke 37023
- Carteret 37031
- Chowan 37041
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Currituck 37053
- Duplin 37061
- Gates 37073
- Greene 37079
- Harnett 37085
- Haywood 37087
- Henderson 37089
- Hertford 37091
- Hoke 37093
- Hyde 37095
- Jackson 37099
- Johnston 37101
- Jones 37103
- Lincoln 37109
- Macon 37113
- Martin 37117
- Montgomery 37123
- Moore 37125
- Nash 37127
- Onslow 37133
- Pamlico 37137
- Pasquotank 37139
- Pitt 37147
- Polk 37149
- Richmond 37153
- Scotland 37165
- Transylvania 37175
- Tyrrell 37177
- Wake 37183
- Washington 37187
- Wayne 37191
- Wilson 37195
Pennsylvania view state ↗ 33 N ▾
- Armstrong 42005
- Bedford 42009
- Berks 42011
- Blair 42013
- Bucks 42017
- Cambria 42021
- Carbon 42025
- Centre 42027
- Chester 42029
- Clarion 42031
- Clearfield 42033
- Columbia 42037
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Fayette 42051
- Franklin 42055
- Fulton 42057
- Huntingdon 42061
- Lackawanna 42069
- Lancaster 42071
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Pike 42103
- Schuylkill 42107
- Somerset 42111
- Warren 42123
- Westmoreland 42129
Rhode Island view state ↗ 3 N ▾
South Carolina view state ↗ 7 N ▾
Tennessee view state ↗ 20 N ▾
Vermont view state ↗ 1 N ▾
Virginia view state ↗ 47 N ▾
- Accomack 51001
- Albemarle 51003
- Alleghany 51005
- Amelia 51007
- Augusta 51015
- Bath 51017
- Brunswick 51025
- Caroline 51033
- Carroll 51035
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Dinwiddie 51053
- Fairfax 51059
- Fluvanna 51065
- Giles 51071
- Gloucester 51073
- Greensville 51081
- Hampton (city) 51650
- Hanover 51085
- Henrico 51087
- James City 51095
- King and Queen 51097
- King William 51101
- Lancaster 51103
- Louisa 51109
- Lunenburg 51111
- Mathews 51115
- New Kent 51127
- Newport News (city) 51700
- Northumberland 51133
- Nottoway 51135
- Orange 51137
- Page 51139
- Pittsylvania 51143
- Powhatan 51145
- Prince Edward 51147
- Prince George 51149
- Prince William 51153
- Rockingham 51165
- Shenandoah 51171
- Southampton 51175
- Spotsylvania 51177
- Suffolk (city) 51800
- Sussex 51183
- Virginia Beach (city) 51810
- York 51199
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CACO71 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8377589 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z