Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'Sugar Blues'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Sugar Blues
Hybridized by Zurbrigg; Year of Registration or Introduction: 1984

» View all varieties of Iris

3 vendors have this plant for sale.

14 members have or want this plant for trade.

Tall Bearded (TB)

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

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

Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Medium Blue

Bloom Time:
Midseason (M)
Reblooming (Re)


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:

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):
Unknown - Tell us

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By laurief
Thumbnail #1 of Iris  by laurief

By sjlfinne
Thumbnail #2 of Iris  by sjlfinne

By girlieq
Thumbnail #3 of Iris  by girlieq

By joannacay
Thumbnail #4 of Iris  by joannacay

By joannacay
Thumbnail #5 of Iris  by joannacay

By joannacay
Thumbnail #6 of Iris  by joannacay

By joannacay
Thumbnail #7 of Iris  by joannacay

There are a total of 9 photos.
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3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive joannacay On May 5, 2010, joannacay from McLean, VA (Zone 6b) wrote:

This iris sparkles in the sunlight, and the wonderful fragrance extends for some distance around the plant.

Positive Igrowinpa On Aug 22, 2008, Igrowinpa from Beaver Falls, PA (Zone 6a) wrote:

Sugar Blues is a gorgeous plant with a heavenly fragrance. In my zone, it is also a rebloomer. There has been no one that has visited my house when it blooms that has not made comments about it. I can highly recommend it!

Positive pajaritomt On May 22, 2008, pajaritomt from Los Alamos, NM (Zone 5a) wrote:

Sugar Blues is a good grower for me and has a heavenly fragrance. It hasn't rebloomed yet, but almost nothing reblooms in the mountains of New Mexico.
October 10, 2008 -- Sugar Blues rebloomed for me. It is very welcome right now just a few days before our first freeze.


This plant has been said to grow in the following regions:

Tucson, Arizona
Carmel, Indiana
Cumberland, Maryland
Millersville, Maryland
Revere, Massachusetts
Vassar, Michigan
Deer River, Minnesota
Los Alamos, New Mexico
Lawton, Oklahoma
Beaver Falls, Pennsylvania
Sarver, Pennsylvania
Conway, South Carolina
Greeneville, Tennessee
Crockett, Texas

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