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Yellow Flag Iris

Iris Pseudacorus

Design with this plant

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 2–9Type PerennialClimate Temperate
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

Culture

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

Shape & size

Classification

Type
Perennial
Family
Iridaceae
Climate
Temperate

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Photos (160)

Yellow Flag Iris (Iris Pseudacorus) — Prefers full sun to part shade in wet, marshy conditions; perennial for full or half
Yellow Flag Iris (Iris Pseudacorus) — or "standards," that taper elegantly to a point.<br><br>Adapted to wet conditions; sword-like foliage that can reach a
Yellow Flag Iris (Iris Pseudacorus) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial; prefers full sun to part shade in wet, image 126
Yellow Flag Iris (Iris Pseudacorus) — spanning 3 to 4 inches across, image 38
Yellow Flag Iris (Iris Pseudacorus) — making it not only a visual asset but also a contributor to environmental health; the Yellow Flag Iris (Iris, image 97
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) — Prefers full sun to part shade in wet, marshy conditions; perennial for full or half, image 79
Yellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliage; during its blooming, image 127
Yellow Flag Iris (Iris Pseudacorus) — Adds visual interest and naturalizes readily; proudly displays three drooping sepals or "falls," adorned with, image 106
Yellow Flag Iris (Iris Pseudacorus) — Adds visual interest and naturalizes readily
Yellow Flag Iris (Iris Pseudacorus) — spanning 3 to 4 inches across, image 88
Yellow Flag Iris (Iris Pseudacorus) — Iris pseudacorus thrives in USDA Hardiness Zones 4 through 9 and is ideal for planting along pond margins; or, image 67
Yellow Flag Iris (Iris Pseudacorus) — perennial for full or half; making it not only a visual asset but also a contributor to environmental health
Yellow Flag Iris (Iris Pseudacorus) — Caution: Invasive in some areas, so check local guidelines; is a vibrant perennial that offers both aesthetic, image 105
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) — contrasted by three upright petals; ideal for water features with its vibrant yellow blooms and sword-like green foliage
Yellow Flag Iris (Iris Pseudacorus) — During its blooming season from May to July; perennial with yellow blooms
Yellow Flag Iris (Iris Pseudacorus) — withstanding water depths of up to 4 inches over the crown; yellow flowers in the garden, image 68
Yellow Flag Iris (Iris Pseudacorus) — This robust plant is known for its striking; thriving in zones 4-9, it reaches 3-4 feet in height with a, image 83
Yellow Flag Iris (Iris Pseudacorus) — perennial with yellow blooms; contrasted by three upright petals, image 99
Yellow Flag Iris (Iris Pseudacorus) — yellow flowers in the garden; this robust plant is known for its striking
Yellow Flag Iris (Iris Pseudacorus) — showy flowers that boast a brilliant yellow hue; adds visual interest and naturalizes readily, image 137
Yellow Flag Iris (Iris Pseudacorus) — yellow flowers in the garden; this robust plant is known for its striking, image 73
Yellow Flag Iris (Iris Pseudacorus) — proudly displays three drooping sepals or "falls," adorned with a striking brown or purple veining; care, image 89
Photographs by 15 contributors

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