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Yellow Flag Iris

Iris Pseudacorus

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Overview

The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial, ideal for water features with its vibrant yellow blooms and sword-like green foliage. Thriving in zones 4-9, it reaches 3-4 feet in height with a spread of up to 2 feet. Prefers full sun to part shade in wet, marshy conditions. Caution: Invasive in some areas, so check local guidelines. Adds visual interest and naturalizes readily.

Sun Full, HalfWater Extra in Summer, MediumZones 2–9Climate Temperate
Yellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliage
Yellow Flag Iris (Iris Pseudacorus) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennialYellow Flag Iris (Iris Pseudacorus) — Adds visual interest and naturalizes readilyYellow Flag Iris (Iris Pseudacorus) — Caution: Invasive in some areas, so check local guidelinesYellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliageYellow Flag Iris (Iris Pseudacorus) — is a vibrant perennial that offers both aesthetic appeal and ecological value to any landscape designYellow Flag Iris (Iris Pseudacorus) — This robust plant is known for its striking+133

Culture

Sun
Full, Half
Water
Extra in Summer, Medium
USDA zones
2–9

Shape & size

Classification

Family
Iridaceae
Climate
Temperate

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Photos (140)

Yellow Flag Iris (Iris Pseudacorus) — Thriving in zones 4-9, it reaches 3-4 feet in height with a spread of up to 2 feet
Yellow Flag Iris (Iris Pseudacorus) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial
Yellow Flag Iris (Iris Pseudacorus) — Adds visual interest and naturalizes readily
Yellow Flag Iris (Iris Pseudacorus) — Caution: Invasive in some areas, so check local guidelines
Yellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliage
Yellow Flag Iris (Iris Pseudacorus) — is a vibrant perennial that offers both aesthetic appeal and ecological value to any landscape design
Yellow Flag Iris (Iris Pseudacorus) — This robust plant is known for its striking
Yellow Flag Iris (Iris Pseudacorus) — Prefers full sun to part shade in wet, marshy conditions
Yellow Flag Iris (Iris Pseudacorus) — sword-like foliage that can reach a height of approximately 3 to 4 feet
Yellow Flag Iris (Iris Pseudacorus) — with individual leaves about 1 to 1.5 inches wide
Yellow Flag Iris (Iris Pseudacorus) — During its blooming season from May to July
Yellow Flag Iris (Iris Pseudacorus) — showy flowers that boast a brilliant yellow hue
Yellow Flag Iris (Iris Pseudacorus) — spanning 3 to 4 inches across
Yellow Flag Iris (Iris Pseudacorus) — proudly displays three drooping sepals or "falls," adorned with a striking brown or purple veining
Yellow Flag Iris (Iris Pseudacorus) — contrasted by three upright petals
Yellow Flag Iris (Iris Pseudacorus) — Iris pseudacorus thrives in USDA Hardiness Zones 4 through 9 and is ideal for planting along pond margins
Yellow Flag Iris (Iris Pseudacorus) — or "standards," that taper elegantly to a point.<br><br>Adapted to wet conditions
Yellow Flag Iris (Iris Pseudacorus) — Despite its preference for full sun, it can tolerate partial shade, where it may produce fewer flowers
Yellow Flag Iris (Iris Pseudacorus) — withstanding water depths of up to 4 inches over the crown
Yellow Flag Iris (Iris Pseudacorus) — perennial for full or half
Yellow Flag Iris (Iris Pseudacorus) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial; prefers full sun to part shade in wet, marshy
Yellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliage; during its blooming season from May
Yellow Flag Iris (Iris Pseudacorus) — Care should be taken as it can be invasive in certain regions
Yellow Flag Iris (Iris Pseudacorus) — and some states have regulations concerning its cultivation.<br><br>Ecologically

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