Iris pseudacorus

(Iris, Yellow Flag)


$11.99


Hardiness Zones:

 5a  5b  6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

I. pseudacorus grows best in very wet conditions, and is often common in wetlands, where it tolerates submersion, low pH, and anoxic soils. The plant spreads quickly, by both rhizome and water-dispersed seed. It fills a similar niche to that of Typha and often grows with it, though usually in shallower water. While it is primarily an aquatic plant, the rhizomes can survive prolonged dry conditions.

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Description

Easily grown in average, medium to wet soils in full sun to part shade. Best performance is in acidic, saturated, moisture-retentive soils. Plants thrive in standing water (to 12? deep) where they prefer full sun. Plants grown in garden soils prefer some afternoon shade. Plants will naturalize easily by spreading rhizomes and self-seeding to form large colonies, sometimes to the point of being considered weedy and aggressive. Plants may be grown in containers that are sunk directly to the rim in water gardens. Although plants prefer constant moisture, they grow surprisingly well in average garden soils, albeit less vigorously. Soils should never be allowed to dry out. Remove seed pods before they mature to prevent any unwanted self-seeding. Seeds that mature and drop into water can float to other locations.

Additional information

Common Name

Iris, Yellow Flag

Botanical Name

Iris pseudacorus

Container/Amount

1 gallon

Evergreen or Deciduous

Evergreen

Hardiness Zone

5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Growth Rate

Fast

Light Requirements

Part-sun, Sun

Height

48"

Width

48"

Soil Condition

Wet Soils

Water Needs

Average

Blooming Period

Spring-Summer

Flower Color

yellow

Fragrance

Yes

Foliage Color

green

Deer Resistant

Yes

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