Iris, Yellow Flag
Herbaceous Perennial Flower
Iris pseudoacorus Iridaceae Family
At home in bog gardens and other soggy sites, this aggressive perennial has cheerful yellow blooms and stiff, erect dark green foliage.
Soil conditions:
Hardiness zones:
Lifecycle: perennial
Ease-of-care: easy
Height: 3 to 5 feet
Spread: 2 to 2.5 feet
Bloom time:
Flower color: yellow
Blooms are vivid yellow with gold veining.
Foliage color: dark green
Foliage texture: medium
Shape:
Shape in flower: flower stalks with upright spikes
Flowers borne along erect stems rising above the foliage.
Propagate by seed, division or separation - Divide in the spring or fall. Often self-sows.
Deadhead after flowering to prevent self sowing. Divide in the spring or fall as needed. More growing information: How to Grow Perennials
More growing information: How to Grow Perennials
Iris borer in dry sites
‘Bastardii’ (var. bastardii) has flowers that are creamy yellow, lacking the usual brown blotch on the falls (or lower flower parts). ‘Flore Pleno’: double yellow blooms.‘Golden Queen’ produces somewhat larger yellow flowers, which also lack the brown splotch. ‘Variegata’: yellow flowers on plants with yellow variegation on green leaves.
‘Flore Pleno’: double yellow blooms.
‘Golden Queen’ produces somewhat larger yellow flowers, which also lack the brown splotch.
‘Variegata’: yellow flowers on plants with yellow variegation on green leaves.
