Yellow Flag, Yellow Iris, Water Flag Iris 'Frost End'

Irispseudacorus

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
pseudacorus (soo-DA-ko-rus)
Synonym
Spacing
24-36 in. (60-90 cm)
Hardiness
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Full Sun
Sun to Partial Shade
Bloom Color
Parts of plant are poisonous if ingested
Foliage
White/Near White
Class
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Time
Other Details
Other details
Propagation Methods
Herbaceous
Seed Collecting
Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Patent Information
Awards (if applicable)
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Pembina, North Dakota

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Gardener's Notes:

0
positive
1
neutral
0
negative
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| July 2022 | neutral

This iris does set seed and comes true from seed. It is hardy to zone 3b, and possible colder. Perhaps, it could be considered invasive...Read More

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