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PlantFiles: Tall Bearded Iris
Iris 'Night Ruler'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Night Ruler
Hybridized by Schreiner; Year of Registration or Introduction: 1990

» View all varieties of Iris

One vendor has this plant for sale.

9 members have or want this plant for trade.

Tall Bearded (TB)

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:
Dark Purple/Black

Bloom Time:
Midseason (M)


Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

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):
Honorable Mention
Award of Merit

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By okus
Thumbnail #1 of Iris  by okus

By jfrizzell
Thumbnail #2 of Iris  by jfrizzell

By dbknread
Thumbnail #3 of Iris  by dbknread

By Sugarbean1
Thumbnail #4 of Iris  by Sugarbean1

By Joan
Thumbnail #5 of Iris  by Joan

By Joan
Thumbnail #6 of Iris  by Joan

By cocoajuno
Thumbnail #7 of Iris  by cocoajuno

There are a total of 14 photos.
Click here to view them all!


1 positive
1 neutral
No negatives

Gardeners' Notes:

Neutral doss On Mar 15, 2005, doss from Stanford, CA (Zone 9b) wrote:

(Schreiner, 90) Mid Season 39"
As in the previous note this iris is said to be: "Black, very black. Heavy ruffling dominates this flower, creating lines and shadows on the deep purple coloring. Commonly ten buds on three branches. Excellent growth habits." American Iris Society Honorable Mention '92; Award of Merit '94.
Cooley's Iris Garden note.

Positive NellPercy On Jun 20, 2003, NellPercy from Ponca City, OK wrote:

Good habit. Darker than the photo shows. Touted as a "black" but isn't quite. Nicely ruffled.
39" S dark purple; F black; B black; ruffled Schreiner 1990


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

Harrison, Arkansas
Yosemite Lakes, California
Cordele, Georgia
Gainesville, Georgia
Indianapolis, Indiana
Barbourville, Kentucky
Gardiner, Maine
International Falls, Minnesota
Harlowton, Montana
Beatrice, Nebraska
Mahopac, New York
Belfield, North Dakota
Lewis Center, Ohio
North Ridgeville, Ohio
Lawton, Oklahoma
Ponca City, Oklahoma
Keller, Texas
Portsmouth, Virginia
Cathan, Washington
Kalama, Washington
Vancouver, Washington

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