Sweet Flag
Acorus americanus
Family: Acoraceae
Sweet Flag grows in full sun to partial shade and prefers wet soil. Water needs: High.
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How to Grow Sweet Flag
Sweet Flag growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Wet soil with a soil pH of 5.0-7.5, and High water needs. The listed hardiness zones are 3-9. For propagation reference, the database lists germination or establishment information for Sweet Flag as 30-60 days after stratification, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 2-3 years.
Plant Overview
Sweet Flag (Acorus americanus) is listed in the Acoraceae family and categorized as a herb 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-0676
- Family
- Acoraceae
- Plant type
- Herb
- Life cycle
- Perennial
- Difficulty
- Easy
Growing Conditions
Sweet Flag is listed for full sun to partial shade conditions. Water needs are listed as high. The database soil reference is Wet soil. The listed soil pH range is 5.0-7.5, and the listed hardiness range is 3-9.
- Hardiness zones
- 3-9
- Sunlight
- Full sun to partial shade
- Soil
- Wet soil
- Soil pH
- 5.0-7.5
- Water needs
- High
Seed & Germination
For seed starting, the listed germination time is 30-60 days after stratification and the seed depth is Surface sow. 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
- 30-60 days after stratification
- Seed depth
- Surface sow
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.