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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) — Despite its preference for full sun, it can tolerate partial shade, where it may produce fewer flowers, image 119
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) — Care should be taken as it can be invasive in certain regions; showy flowers that boast a brilliant yellow hue, image 120
Yellow Flag Iris (Iris Pseudacorus) — perennial with yellow blooms; contrasted by three upright petals, image 124
Yellow Flag Iris (Iris Pseudacorus) — perennial for full or half; making it not only a visual asset but also a contributor to environmental health, image 125
Yellow Flag Iris (Iris Pseudacorus) — Adds visual interest and naturalizes readily; proudly displays three drooping sepals or "falls," adorned with, image 131
Yellow Flag Iris (Iris Pseudacorus) — is a vibrant perennial that offers both aesthetic appeal and ecological value to any landscape design; and, image 132
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) — ideal for water features with its vibrant yellow blooms and sword-like green foliage; during its blooming, image 127
Yellow Flag Iris (Iris Pseudacorus) — Prefers full sun to part shade in wet, marshy conditions; perennial for full or half, image 129
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; withstanding water depths, image 128
Yellow Flag Iris (Iris Pseudacorus) — Caution: Invasive in some areas, so check local guidelines; is a vibrant perennial that offers both aesthetic, image 130
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 134
Yellow Flag Iris (Iris Pseudacorus) — proudly displays three drooping sepals or "falls," adorned with a striking brown or purple veining; care, image 139
Yellow Flag Iris (Iris Pseudacorus) — spanning 3 to 4 inches across, image 138
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 135
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 133
Yellow Flag Iris (Iris Pseudacorus) — During its blooming season from May to July; perennial with yellow blooms, image 136
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) — contrasted by three upright petals; ideal for water features with its vibrant yellow blooms and sword-like, image 140

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