Iris pseudacorus · Iridaceae

Yellow Iris

⚠️ Not safe for petsPerennial life cycle, with flowers lasting several weeks.30 to 90 cm

LightFull sun, tolerates partial shade

WaterModerate, especially during dry periods

DifficultyEasy

ColdResistant down to -15 degrees Celsius.

Full sun, tolerates partial shadeModerate, especially during dry periodsEasyResistant down to -15 degrees Celsius.

Description & origin

The Yellow Iris is a perennial aquatic plant known for its vibrant flowers and long leaves. It is commonly found in wet areas and along watercourses.

Size

Reaches a height of 30 to 90 cm, with a width of 30 to 60 cm.

Foliage

Leaves are long, narrow, and deep green.

Flowering

Blooms in spring and early summer, featuring yellow flowers.

Light

Prefers full sun but tolerates partial shade.

Soil

Thrives in moist, organic-rich soils.

Watering

Requires moderate watering, especially during dry periods.

Temperature

Resistant to low temperatures, tolerates cold well.

Fertilising

Fertilize in spring with a balanced fertilizer to promote growth.

Repotting

Transplant every 3 to 4 years to avoid crowding.

Pruning

Remove dead leaves and wilted flowers to keep the plant healthy.

Propagation

Can be propagated by dividing rhizomes in spring or autumn.

Fungal diseases

May be affected by fungi causing leaf spots.

Pests

Subject to attacks from aphids and slugs.

Crowding

If not transplanted, it may become crowded and produce fewer flowers.

In the garden

Other uses

Used in floral arrangements and landscaping.

Did you know…

The flowers of the Yellow Iris attract pollinators such as bees and butterflies. It is also used in water gardens for its beauty and resilience.