Yellow Flag (Iris pseudacorus) is a vigorous perennial aquatic plant known for its striking yellow flowers and sword-like leaves. It thrives in wet environments like pond
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Sunlight
Full sun to partial shade for best flowering.
Watering
Requires consistently wet to submerged conditions.
Soil
Adaptable, prefers moist to wet, heavy soils.
Temperature
Hardy in temperate zones, thrives 10-25 °C.
Habitat
Outdoor, Aquatic
Fertilizer
Minimal, if any, especially in rich aquatic environments.
Full sun to partial shade for best flowering.
Requires consistently wet to submerged conditions.
Adaptable, prefers moist to wet, heavy soils.
Hardy in temperate zones, thrives 10-25 °C.
Outdoor, Aquatic
Minimal, if any, especially in rich aquatic environments.
Plant Type
Herb, Aquatic
Plant Category
Ornamental
Plant Place Type
Garden, Ground
Plant Environment
Outdoor, Aquatic
Lifespan
Perennials
Plant Height
0.6-1.5 m
Spread
0.6-1 m
Growth Rate
Fast
Dormancy
Winter
Leaf Color
Green
Leaf Type
Sword-shaped
Flower Size
8-10 cm
Optimal Sunlight Lux
50000
Weed Status
Yes
Toxic for humans
Yes
Rating: 7/5
Toxic for pets
Yes
Rating: 7/5
Edible
No
All parts, especially rhizomes, are toxic if ingested, causing severe gastrointestinal upset. Contact with sap can cause skin irritation.
