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Hardiness: 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)
Sun Exposure: Full Sun
Danger: Parts of plant are poisonous if ingested Handling plant may cause skin irritation or allergic reaction
Bloom Color: Medium Blue
Bloom Time: Late Midseason (MLa)
Foliage: Herbaceous Variegated
Other details: Flowers are fragrant Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Patent Information: Non-patented
Propagation Methods: By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting: N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
On Jul 31, 2009, Joan from Belfield, ND (Zone 4a) wrote:Editor's Note
Rhizomes (thickened roots) and rootstocks, fresh or dry, of all Iris species and cultivars are poisonous if ingested. Symptoms include nausea, vomiting, abdominal pain, diarrhea and elevated temperature following ingestion. Some resources claim the toxic principal (irisin, iridin, irisine) only cause low toxicity if eaten.
Skin irritation can develop upon contact with seeds, rhizomes, rootstock, or cell sap.
We tend to err on the side of caution in PlantFiles, and the danger notation in the details above is to warn gardeners, parents, and pet owners to look further for more information.
On Jan 3, 2008, valleyrimgirl from Brandon, MB (Zone 2b) wrote:
I grow this iris on the south side of my house, in a fairly sheltered location in my zone 2b garden here in Manitoba, Canada. It is not a fast multiplier by any means but will bloom each year. I am keeping it because of its variegated foliage, not its flowers.
On May 18, 2007, bmuller from Albuquerque, NM (Zone 7a) wrote:
This plant grew for several years in my garden without blooming. I liked the foliage, but I was almost ready to dig it up if it wasn't going to give me anything more (I wanted the space for other things). Then, three or four years ago, when we removed several trees, providing it with more sun, it bloomed beautifully. It is long-blooming, blooms prolifically, and--a bonus--has an intriguing grape soda (or grape Kool-Aid) fragrance, noticeable from several feet away. (I'm glad I didn't dig it up.)
On Jan 27, 2006, Gabrielle from Washington, IL (Zone 5a) wrote:
I love the variegated blades of this iris, even if it never bloomed. I was told that because of the variegation, it is slower growing, though mine is doing very well.
On Jun 20, 2003, NellPercy from Ponca City, OK wrote:
This is the plant that provides orris root. It has been used as a perfume fixative for centuries and was considered medicinal in medieval times (liver disease and edema). See KillerPlants.com. My apologies for not being able to name specific sites but several say that it can be highly allerginic as a fixative and a couple say it can be toxic. In Magick, it is used as a pendulum, to draw love, and as protection. Irises in general grow happily in Zone 6 so I assume this will too.
On May 31, 2003, Crimson from Clarksville, TN (Zone 6b) wrote:
Sold as a shade of blue, it's not blue, it's a soft purple color. Does not grows as well as other Bearded Iris, needs staking against wind when in bloom.
Grew best in full sun, well watered (not sandy) soil. Full sun in North, part shade in South; divide every 3-4 years for best blooms.
On May 22, 2003, DeeSteveH from Gretna, VA (Zone 7a) wrote:
Hi All. I'm in zone 7, have some funky rock filled acidic soil and my verigated irises are positively thriving. Mine flowered a beautiful pale lavender. I'll be uploading a pic so everyone can see. Deanna of DeeSteveH
Regional...
This plant has been said to grow in the following regions:
Gaylesville, Alabama Sacramento, California San Rafael, California Peoria, Illinois Washington, Illinois Greenville, Indiana Salvisa, Kentucky Hagerstown, Maryland Houghton Lake, Michigan Marine City, Michigan Minneapolis, Minnesota Robertsville, Missouri Elizabeth City, North Carolina Greeneville, Tennessee Belton, Texas Burlington, Vermont Lexington, Virginia Vancouver, Washington Casper, Wyoming