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Family: Iridaceae (eye-rid-AY-see-ee) (Info) Genus: Iris (EYE-ris) (Info) Cultivar: Mary Frances Hybridized by Gaulter; Year of Registration or Introduction: 1971
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)
Sun Exposure: Full Sun
Danger: Parts of plant are poisonous if ingested Handling plant may cause skin irritation or allergic reaction
Bloom Color: Blue-Violet Violet/Lavender White/Near White
Bloom Time: Midseason (M)
Foliage: Herbaceous
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
Awards (if applicable): Honorable Mention Award of Merit Dykes Memorial Medal
On Mar 17, 2006, Margiempv from Oro Valley, AZ (Zone 9a) wrote:
This has been a super grower for me. Though it's an older variety - it sure can put on a show. Many times it has given me not only 3 opened on one stalk at one time, but 4 and 5 open!! SHOW STALKS!
On Dec 22, 2003, poppysue from Westbrook, ME (Zone 5a) wrote:
MARY FRANCES (Larry Gaulter, 1973) TB, 38", M & RE. Ruffled light blue-orchid with white center on falls; white beard tipped yellow, orange throat. Larry Gaulter named Mary Frances after his granddaughter. This lovely won the Dykes Medal in 1979.
On Jun 20, 2003, NellPercy from Ponca City, OK wrote:
Light lavender. Good form. Mild ruffle. zone 6
Regional...
This plant has been said to grow in the following regions:
, Oro Valley, Arizona Yosemite Lakes, California Macy, Indiana Solsberry, Indiana Cedar Rapids, Iowa Durham, Maine Brewster, Massachusetts Ware, Massachusetts Blanchard, Michigan Metamora, Michigan Deer River, Minnesota Robertsville, Missouri Los Alamos, New Mexico Lawton, Oklahoma Ponca City, Oklahoma Salem, Oregon (2 reports) Stayton, Oregon Fort Worth, Texas Lubbock, Texas Cathan, Washington
9 members have or want this plant for trade.
