Index / Search / Calamagrostis stricta ssp. stricta

§1 Plant

Calamagrostis stricta (Timm) Koeler ssp. stricta

vernacular slimstem reedgrass — subspecies · Poaceae

USDA: CASTS5
GBIF: 6430948 syn.
Rank: subspecies

slimstem reedgrass (Calamagrostis stricta ssp. stricta) — Platephotograph · Jukka JantunenCC BY-NC source · iNaturalist ↗

§2Habit & range

Growth habit: Graminoid
Duration: Perennial
Group: Monocot
Family: Poaceae Barnhart
Genus: Calamagrostis

§2a

Native status, by region

AK Alaska Native
CAN Canada Native
GL Greenland Native
L48 Lower 48 States Native

§2b

County-level range

· 18 counties across 6 states/territories

Legend Native · 18 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: Low
Shade: Medium
Moisture use: High
Fire: Medium
Salinity: None
Anaerobic: Medium
CaCO₃: Low
Hedging: None

§3b

Climate & soil

Cold tolerance: -43 °F minimum
Frost-free days: 90 min.
Precipitation: 24–60 in/yr
pH range: 5.5–7.5
Root depth: 7 in min.
Fertility need: Medium
Soil texture: medium, fine

§3c

Form & growth

Growth form: Rhizomatous
Growth rate: Moderate
Lifespan: Long
Mature height: 3 ft
Foliage texture: Medium
Foliage colour: Green
Porosity (summer): Dense
Porosity (winter): Porous
Flower colour: Yellow
Fruit colour: Brown
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Late Spring
Seed abundance: Low
Seed begins: Spring
Seed ends: Summer
Spread rate: Slow
Stratify: No
Seeds / lb: 1,400,000
Propagation: seed, sprigs

§3e

Use & availability

Commercial availability: Contracting Only
Nursery stock: No
Browse palatability: Medium
Graze palatability: Medium
Palatable, human: No
Protein potential: Low
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 18 counties across 6 states/territories.

Alaska view state ↗ 9 N ▾

Maine view state ↗ 2 N ▾

Minnesota view state ↗ 1 N ▾

Douglas 27041

New York view state ↗ 3 N ▾

Vermont view state ↗ 2 N ▾

West Virginia view state ↗ 1 N ▾

Preston 54077

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/CASTS5 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/6430948 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T07:25:30Z