Iris pseudoacorus
Jekkapedia
Iris pseudacorus , Yellow Flag Iris
Family: Iridaceae
Genus: Iris
Large bright yellow flowers with radiating brown veins in spring. Very slightly scented. Sword shaped bright grey green leaves that form narrow fans. Plant in wet soil near water. Dye plant, yellow from the flowers and black dye from the roots.
Characteristics:
• Hardiness: H7 (-20 and below)
• Type: Hardy Perennial
• Height: 40cm to 1.5m
• Spread: indefinite
Yellow Flag Iris can be seen at the herb farm in Jekka’s Herbetum and is available to buy online as herb seeds.
Details
• Aspect: Full Sun, Partial Shade
• Soil type: Clay, Loam, Poorly drained
• pH: Acid
• Habit: Suckering
• Flowering colour: Yellow
• Flowering time: Spring
• Uses: N/A
• Attracts pollinators: Yes (Read Jekka’s Guide to Pollinators for more information)
• Container suitability: No
• UK native: Yes
• Caution: N/A
Growing
• Grown from seed:
• Indoor Sowing: In autumn, sow in a well drained mix and winter outside.
• Outdoor Sowing: In autumn, in a damp site, partial shade. Thin to 75cm apart.
• Propagation: Division
• Maintenance: (See Jekka’s Blogs on Early Spring, Late Spring, Summer and Autumn maintenance)
• Harvest: N/A
Available as
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