Index / Search / Ceratophyllum demersum
§1 Plant
Ceratophyllum demersum L.
vernacular coon's tail — species · Ceratophyllaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Ceratophyllaceae Gray
- Genus
- Ceratophyllum
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- HI Hawaii Introduced
- L48 Lower 48 States Native
- PR Puerto Rico Native
- VI U.S. Virgin Islands Native
§2b
County-level range
· 9 counties across 2 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Medium
- Moisture use
- High
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 110 min.
- Precipitation
- 10–55 in/yr
- pH range
- 6–8.6
- Root depth
- 0 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Rapid
- Lifespan
- Moderate
- Foliage texture
- Fine
- Foliage colour
- Gray-Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Blue
- Fruit colour
- White
- Fire resistant
- Yes
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- Low
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Rapid
- Stratify
- No
- Seeds / lb
- 165,000
- 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 9 counties across 2 states/territories.
Montana view state ↗ 7 N ▾
Rhode Island view state ↗ 2 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CEDE4 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2882398 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T18:27:19Z