Copper Iris (Fulva)

The Copper Iris (Fulva) is generally described as a perennial forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring . The Copper Iris (Fulva) has green foliage and inconspicuous red flowers, with an abuncance of conspicuous green fruits or seeds. The greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are not retained year to year. The Copper Iris (Fulva) has a moderate life span relative to most other plant species and a moderate growth rate. At maturity, the typical Copper Iris (Fulva) will reach up to 3.3 feet high, with a maximum height at 20 years of 0 inches.

The Copper Iris (Fulva) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bulbs, seed, tubers. It has a slow ability to spread through seed production and the seedlings have high vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -24°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Moderate
General Type Forb/herb
Growth Period Spring
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Mid Spring
Displays Fall Colors No
Shape/Growth Form Rhizomatous
Drought Tolerance Low
Shade Tolerance Tolerant
Height When Mature 3.3
Vegetative Spread Moderate
Flower Color Red
Flower Conspicuousness Yes
Fruit/Seed Abundance High
Fruit/Seed Seasonality Spring Summer
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bulbs, Seed, Tubers
Moisture Requirements High
Cold Stratification Required No
Minimum Temperature -24
Soil Depth for Roots 16
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5–8.5 pH
Precipitation Range 40–40 inches/yr
Planting Density 2728–19360 indiv./acre
Soil Textures Fine, Medium
Soil Depth for Roots 16
Minimum Frost-Free Days 180 day(s)
Salinity Tolerance None
CaCO3 Tolerance High
Sustainability & Use
Leaf Retention No
Palatability Medium
Fire Resistant No

Source: USDA, NRCS, PLANTS Database,
National Plant Data Center, Baton Rouge, LA 70874-4490 USA