Index / Search / Spiranthes romanzoffiana
§1 Plant
Spiranthes romanzoffiana Cham.
vernacular hooded lady's tresses — species · Orchidaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Monocot
- Family
- Orchidaceae Juss.
- Genus
- Spiranthes
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Native
§2b
County-level range
· 310 counties across 26 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Medium
- Moisture use
- High
- Fire
- Low
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 85 min.
- Precipitation
- 12–55 in/yr
- pH range
- 4.5–8.5
- Root depth
- 8 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 2.5 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Summer
- Seed abundance
- Low
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 1,100,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 310 counties across 26 states/territories.
Alaska view state ↗ 22 N ▾
- Aleutians East 02013
- Aleutians West 02016
- Anchorage 02020
- Bethel 02050
- Chugach 02063
- Copper River 02066
- Denali 02068
- Dillingham 02070
- Fairbanks North Star 02090
- Haines 02100
- Juneau 02110
- Kenai Peninsula 02122
- Ketchikan Gateway 02130
- Kodiak Island 02150
- Lake and Peninsula 02164
- Matanuska-Susitna 02170
- Nome 02180
- Northwest Arctic 02188
- Sitka 02220
- Southeast Fairbanks 02240
- Yakutat 02282
- Yukon-Koyukuk 02290
Arizona view state ↗ 3 N ▾
Colorado view state ↗ 20 N ▾
Idaho view state ↗ 22 N ▾
Illinois view state ↗ 4 N ▾
Indiana view state ↗ 4 N ▾
Iowa view state ↗ 1 N ▾
Maine view state ↗ 15 N ▾
Massachusetts view state ↗ 3 N ▾
Michigan view state ↗ 40 N ▾
- Alcona 26001
- Alger 26003
- Antrim 26009
- Baraga 26013
- Barry 26015
- Calhoun 26025
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Clare 26035
- Crawford 26039
- Emmet 26047
- Genesee 26049
- Gladwin 26051
- Gogebic 26053
- Grand Traverse 26055
- Houghton 26061
- Iron 26071
- Kalamazoo 26077
- Kalkaska 26079
- Keweenaw 26083
- Leelanau 26089
- Luce 26095
- Mackinac 26097
- Marquette 26103
- Mason 26105
- Menominee 26109
- Midland 26111
- Montmorency 26119
- Newaygo 26123
- Oakland 26125
- Ogemaw 26129
- Ontonagon 26131
- Oscoda 26135
- Otsego 26137
- Presque Isle 26141
- Roscommon 26143
- Schoolcraft 26153
- Washtenaw 26161
- Wayne 26163
Minnesota view state ↗ 22 N ▾
- Carlton 27017
- Carver 27019
- Chisago 27025
- Clearwater 27029
- Cook 27031
- Cottonwood 27033
- Crow Wing 27035
- Douglas 27041
- Hennepin 27053
- Hubbard 27057
- Kittson 27069
- Koochiching 27071
- Lake 27075
- Lake of the Woods 27077
- Marshall 27089
- Norman 27107
- Pennington 27113
- Polk 27119
- Pope 27121
- Red Lake 27125
- Roseau 27135
- St. Louis 27137
Montana view state ↗ 2 N ▾
Nebraska view state ↗ 4 N ▾
Nevada view state ↗ 4 N ▾
New Hampshire view state ↗ 7 N ▾
New Mexico view state ↗ 5 N ▾
New York view state ↗ 21 N ▾
North Dakota view state ↗ 2 N ▾
Oregon view state ↗ 29 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Grant 41023
- Harney 41025
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Klamath 41035
- Lake 41037
- Lane 41039
- Lincoln 41041
- Linn 41043
- Marion 41047
- Multnomah 41051
- Polk 41053
- Tillamook 41057
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Wheeler 41069
Pennsylvania view state ↗ 2 N ▾
South Dakota view state ↗ 5 N ▾
Utah view state ↗ 11 N ▾
Vermont view state ↗ 13 N ▾
Wisconsin view state ↗ 30 N ▾
- Adams 55001
- Ashland 55003
- Bayfield 55007
- Brown 55009
- Clark 55019
- Door 55029
- Douglas 55031
- Florence 55037
- Forest 55041
- Iron 55051
- Jackson 55053
- Kewaunee 55061
- Langlade 55067
- Lincoln 55069
- Marinette 55075
- Marquette 55077
- Menominee 55078
- Milwaukee 55079
- Oconto 55083
- Oneida 55085
- Ozaukee 55089
- Price 55099
- Racine 55101
- Rusk 55107
- Sawyer 55113
- Shawano 55115
- Sheboygan 55117
- Vilas 55125
- Waukesha 55133
- Waushara 55137
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SPRO ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2805404 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T14:17:10Z