United States Edition

Yellow flag iris    

Iris pseudacorus

Yellow flag iris is part of the Iris genus and its scientific name is Iris pseudacorus.

Yellow flowering species of Iris, grows best in wet conditions (such as wetlands). Can become invasive in some areas.

This variety typically blooms in the following colours:   Canary yellow and   Banana yellow. This variety typically produces fruit in the following colours:   Apple green. It is a non-edible flower / ornamental that typically grows as a perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more. Yellow flag iris is known for growing to a height of approximately 1.50 metres (4.88 feet). This plant is a great attractor for butterflies and bees, so if you are looking to attract wildlife Yellow flag iris is a great choice.

Yellow flag iris is great for inexperienced gardeners and those that like low maintainance gardens.

This plant info is provided by the myfolia gardener's wiki. All details about Yellow flag iris have been kindly provided by our members.

How to grow Yellow flag iris

  • Full Sun

  • Medium

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Yellow flag iris is thought of as very hardy, so this plant will tend to survive through freezing conditions.

Growing Yellow flag iris from seed

Transplanting Yellow flag iris

Transplant in early spring after last frost

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Yellow flag iris is a very hardy plant.

Seed Saving Yellow flag iris

Wait until seed pod turns brown

Companion plants for Yellow flag iris

These plants have been known to grow well alongside Yellow flag iris so consider planting:

Repellent plants for Yellow flag iris

These plants will not grow well with Yellow flag iris so avoid planting these within close proximity:

Common Yellow flag iris problems

These problems, diseases and pests are known to affect Yellow flag iris plants:

Bacterial soft spot infection

Yellow flag iris Etymology

Its specific epithet, meaning “false acorus,” refers to the similarity of its leaves to those of Acorus calamus, as they have a prominently veined mid-rib and sword-like shape. 1

Yellow flag iris Folklore & Trivia

Used to decontaminate heavy metals from drinking water

Other names for Yellow flag iris

Yellow water iris, Yellow iris

Iris pseudacorus L.

Yellow flag iris care instructions

How long does Yellow flag iris take to grow?

These estimates for how long Yellow flag iris takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!


Yellow flag iris Forums

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