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§1 Plant

Iris fulva Ker Gawl.

vernacular copper iris — species · Iridaceae

USDA
IRFU
GBIF
5299121
Rank
species
copper iris (Iris fulva)
Platephotograph · Thomas ShahanCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Monocot
Family
Iridaceae Juss.
Genus
Iris
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 22 counties across 4 states/territories
Legend Native · 22 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Low
Moisture use
High
Fire
Medium
Salinity
None
Anaerobic
High
CaCO₃
High
Hedging
None
§3b

Climate & soil

Cold tolerance
-24 °F minimum
Frost-free days
180 min.
Precipitation
40–65 in/yr
pH range
5–8.5
Root depth
16 in min.
Fertility need
Medium
Soil texture
medium, fine
§3c

Form & growth

Growth form
Rhizomatous
Growth rate
Moderate
Lifespan
Moderate
Mature height
3.3 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Red
Fruit colour
Green
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Mid Spring
Seed abundance
High
Seed begins
Spring
Seed ends
Summer
Spread rate
Slow
Stratify
No
Propagation
seed, bulb, tubers
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Browse palatability
Medium
Graze palatability
Medium
Palatable, human
No
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 22 counties across 4 states/territories.

Alabama view state ↗ 1 N ▾
Arkansas view state ↗ 17 N ▾
Florida view state ↗ 1 N ▾
Kentucky view state ↗ 3 N ▾

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/IRFU ↗

GBIF Backbone

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

gbif.org/species/5299121 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:06:36Z