Tall Bearded Iris 'Blue Rhythm'

Iris

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Synonym
Spacing
36-48 in. (90-120 cm)
Hardiness
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
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)
Danger
Full Sun
Sun to Partial Shade
Bloom Color
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Foliage
Dark Blue
Class
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Time
Sun Exposure
Hardiness
Bloom Color
Bloom Time
Bloom Time
Non-patented
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Other details
Propagation Methods
Herbaceous
Seed Collecting
Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Patent Information
Awards (if applicable)
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Seed Collecting
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Fruit Shape
Fruit Size
Fruit Colors
Growing Habit
Days to Maturity
Seed Type
Disease Resistance
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Other details
Propagation Methods
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Tall Bearded (TB)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Midseason (M)
Propagation
Dykes Memorial Medal
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Flowers are good for cutting
Classification
Average Water Needs; Water regularly; do not overwater
Regional

This plant is said to grow outdoors in the following regions:

Chicago, Illinois

Cedar Rapids, Iowa

Iowa City, Iowa

Preston, Maryland

Deer River, Minnesota

Weatherby, Missouri

South Sioux City, Nebraska

Auburn, New Hampshire

Concord, North Carolina

Oklahoma City, Oklahoma

Celina, Tennessee

Bryan, Texas

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Gardener's Notes:

2
positives
3
neutrals
0
negative
Sort By:
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J
Oklahoma City, OK | May 2016 | positive

Came out the year I was born. Mom always had it in her flower bed. Kind of dinky by today's standards but still a lovely blue. I have it ...Read More

M
M
Durham, ME (Zone 3a) | September 2007 | neutral

Bloomed fine but then died. It was only one small rhizome obtained last year so judging it harshly is too soon I feel. Will most likely try again.

J
J
Belfield, ND (Zone 4a) | December 2005 | neutral

This offspring of 'Great Lakes' is the winner of the 1950 Dykes Medal.

W
Cedar Rapids, IA (Zone 5a) | September 2005 | positive

Tall & elegant Breeder: Whiting 1945

C
Auburn, NH | June 2003 | neutral

Whiting 1945

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