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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) — contrasted by three upright petals; ideal for water features with its vibrant yellow blooms and sword-like, image 65
Yellow Flag Iris (Iris Pseudacorus) — or "standards," that taper elegantly to a point.<br><br>Adapted to wet conditions; sword-like foliage that, image 116
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 117
Yellow Flag Iris (Iris Pseudacorus) — with individual leaves about 1 to 1.5 inches wide
Yellow Flag Iris (Iris Pseudacorus) — Care should be taken as it can be invasive in certain regions
Yellow Flag Iris (Iris Pseudacorus) — contrasted by three upright petals
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 72
Yellow Flag Iris (Iris Pseudacorus) — Care should be taken as it can be invasive in certain regions; showy flowers that boast a brilliant yellow hue
Yellow Flag Iris (Iris Pseudacorus) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial; prefers full sun to part shade in wet, image 76
Yellow Flag Iris (Iris Pseudacorus) — During its blooming season from May to July; perennial with yellow blooms, image 111
Yellow Flag Iris (Iris Pseudacorus) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial; prefers full sun to part shade in wet, image 101
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) — Adds visual interest and naturalizes readily; proudly displays three drooping sepals or "falls," adorned with, image 81
Yellow Flag Iris (Iris Pseudacorus) — is a vibrant perennial that offers both aesthetic appeal and ecological value to any landscape design; and, image 82
Yellow Flag Iris (Iris Pseudacorus) — yellow flowers in the garden; this robust plant is known for its striking, image 123
Yellow Flag Iris (Iris Pseudacorus) — making it not only a visual asset but also a contributor to environmental health; the Yellow Flag Iris (Iris pseudacorus)
Yellow Flag Iris (Iris Pseudacorus) — or "standards," that taper elegantly to a point.<br><br>Adapted to wet conditions
Yellow Flag Iris (Iris Pseudacorus) — Caution: Invasive in some areas, so check local guidelines; is a vibrant perennial that offers both aesthetic, image 55
Yellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliage; during its blooming, image 52
Yellow Flag Iris (Iris Pseudacorus) — withstanding water depths of up to 4 inches over the crown; yellow flowers in the garden, image 93
Iris Pseudacorus
Iris Pseudacorus
Iris Pseudacorus
Iris Pseudacorus
Photographs by 10 contributors

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