Yellow Flag Iris
Iris pseudacorus
Family: Iridaceae
Yellow Flag Iris grows in full sun to partial shade and prefers wet rich soil. Water needs: High.
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Yellow Flag Iris Plant Guide
Yellow Flag Iris growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Wet rich soil with a soil pH of 5.5-8.0, and High water needs. The listed hardiness zones are 4-9. For propagation reference, the database lists germination or establishment information for Yellow Flag Iris as 30-90 days, with planting or establishment depth listed as 1/4 inch. Days to maturity are listed as 2-3 years.
Plant Overview
Yellow Flag Iris (Iris pseudacorus) is listed in the Iridaceae family and categorized as a wetland flower with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-1417
- Family
- Iridaceae
- Plant type
- Wetland Flower
- Life cycle
- Perennial
- Difficulty
- Easy
Growing Conditions
Yellow Flag Iris is listed for full sun to partial shade conditions. Water needs are listed as high. The database soil reference is Wet rich soil. The listed soil pH range is 5.5-8.0, and the listed hardiness range is 4-9.
- Hardiness zones
- 4-9
- Sunlight
- Full sun to partial shade
- Soil
- Wet rich soil
- Soil pH
- 5.5-8.0
- Water needs
- High
Seed & Germination
For seed starting, the listed germination time is 30-90 days and the seed depth is 1/4 inch. The listed time to maturity is 2-3 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 30-90 days
- Seed depth
- 1/4 inch
Harvest & Propagation
- Days to maturity
- 2-3 years
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.