Yellow Flag Iris
- Botanical Name
- Iris pseudacorus
- Min Zone
- 3
- Max Zone
- 9
- Height
- Up to 5 feet
- Width
- Up to 2 feet
- Flowers
- Late spring to early summer: yellow
- Light
- Full sun (wet soil), part shade (especially in hot, dry)
- Soil
- Moist to wet
- Planting & Care
- Space plants 18 to 24 inches apart
- Problems
- Can be invasive in areas
- Varieties
- Variegata - variegated foliage
- Alba - pale cream flowers
- I. pseudacorus var. bastardii - clear sulfur yellow flower
Related Content
Article
Article
Article
Categories
Upcoming Live Events
& Webinars
March 22, 23, 29, 30, 2025
REALTORS Home & Garden Show
West Allis, WI
March 26, 2025
FREE WEBINAR:
Succession Planting & Crop Rotation
Register here
March 27, 2025
FREE WEBINAR:
Rain Garden Q & A
Register here
April 2, 2025
FREE WEBINAR:
Container Gardens for Sun & Shade
Register here
April 10, 2025
FREE WEBINAR:
Reinvigorate Your Rain Garden
Register here
April 12, 2025
Plant a Colorful & Edible Spring Garden
Pasquesi Home & Gardens
Lake Bluff, IL
April 26, 2025
Organic Gardening Basics
Ebert's Greenhouse Village
Ixonia, WI
May 3, 2025
Low-Maintenance Gardening
Merton, WI
Register here
May 7, 2025
FREE WEBINAR:
Vertical Gardening
Register here
May 10, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
May 11, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
May 15, 2025
FREE WEBINAR:
7 Steps to Managing Water on Your Property
Register here
May 17, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
May 18, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
June 4, 2025
FREE WEBINAR:
Attracting Hummingbirds
Register here
June 8, 2025
Selecting the Right Hydrangea
for Your Landscape
Ebert's Greenhouse Village
Ixonia, WI
WATCH ON-DEMAND WEBINARS
Learn More
Book an Appearance
