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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 2–9Climate Temperate
Yellow Flag Iris (Iris Pseudacorus) — ideal for water features with its vibrant yellow blooms and sword-like green foliage

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) — perennial for full or half; making it not only a visual asset but also a contributor to environmental health
Yellow Flag Iris (Iris Pseudacorus) — perennial with yellow blooms; 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 pseudacorus)
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) — The Yellow Flag Iris (Iris pseudacorus) is a captivating perennial; prefers full sun to part shade in wet, image 51
Yellow Flag Iris (Iris Pseudacorus) — Adds visual interest and naturalizes readily; proudly displays three drooping sepals or "falls," adorned with, image 56
Yellow Flag Iris (Iris Pseudacorus) — Prefers full sun to part shade in wet, marshy conditions; perennial for full or half, image 54
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) — showy flowers that boast a brilliant yellow hue; adds visual interest and naturalizes readily, image 62
Yellow Flag Iris (Iris Pseudacorus) — is a vibrant perennial that offers both aesthetic appeal and ecological value to any landscape design; and, image 57
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 58
Yellow Flag Iris (Iris Pseudacorus) — sword-like foliage that can reach a height of approximately 3 to 4 feet; with individual leaves about 1 to, image 59
Yellow Flag Iris (Iris Pseudacorus) — with individual leaves about 1 to 1.5 inches wide; iris pseudacorus thrives in USDA Hardiness Zones 4 through, image 60
Yellow Flag Iris (Iris Pseudacorus) — During its blooming season from May to July; perennial with yellow blooms, image 61
Yellow Flag Iris (Iris Pseudacorus) — proudly displays three drooping sepals or "falls," adorned with a striking brown or purple veining; care, image 64
Yellow Flag Iris (Iris Pseudacorus) — spanning 3 to 4 inches across, image 63
Yellow Flag Iris (Iris Pseudacorus) — or "standards," that taper elegantly to a point.<br><br>Adapted to wet conditions; sword-like foliage that, image 66
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) — Despite its preference for full sun, it can tolerate partial shade, where it may produce fewer flowers, image 69
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) — withstanding water depths of up to 4 inches over the crown; yellow flowers in the garden, image 68
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, image 70
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) — and some states have regulations concerning its cultivation.<br><br>Ecologically; despite its preference for, image 71

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