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Family: Iridaceae (eye-rid-AY-see-ee) (Info) Genus: Iris (EYE-ris) (Info) Cultivar: Yaquina Blue Hybridized by Schreiner; Year of Registration or Introduction: 1992
Spacing: 12-15 in. (30-38 cm) 15-18 in. (38-45 cm) 18-24 in. (45-60 cm)
Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) 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)
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: Midseason (M)
Foliage: Herbaceous Blue-Green
Other details: 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
Awards (if applicable): Honorable Mention Award of Merit John C. Wister Memorial Medal (TB) Dykes Memorial Medal
Pretty when it blooms and nicely ruffled and large, but it has been quite slow for me and usually doesn't produce more than one stalk a year. I'm not sure it deserves the awards it's gotten.
On May 23, 2006, pajaritomt from Los Alamos, NM (Zone 5a) wrote:
I bought this plant 2 or 3 years ago. I planted it in what I thought was a reasonable spot. Lots of light. Soil only so-so, but I added compost, balanced fertilizer, bone meal. The plant has now become 3 or 4 plants, but they are not very tall. It has never bloomed. Study in Black, Cranberry Ice, Chinese Treasure, Snow Cloud and others whose name tags got lost, bloom well in this spot. I wonder what is wrong.
Makes a clump quickly! Huge, beautiful, blue ruffly blooms!
Regional...
This plant has been said to grow in the following regions:
Oro Valley, Arizona Bakersfield, California Montrose, Colorado Chicago, Illinois Patoka, Indiana Oskaloosa, Kansas Hanson, Kentucky Durham, Maine South Paris, Maine Robertsville, Missouri South Plainfield, New Jersey Union, New Jersey Los Alamos, New Mexico Morehead City, North Carolina Lawton, Oklahoma Greeneville, Tennessee Vancouver, Washington
One vendor has this plant for sale.
