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PlantFiles: Tall Bearded Iris
Iris 'Blue Luster'

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Blue Luster
Hybridized by Brown; Year of Registration or Introduction: 1973

» View all varieties of Iris

Class:
Tall Bearded (TB)

Height:
36-48 in. (90-120 cm)

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

Bloom Time:
Midseason (M)

Foliage:
Herbaceous

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):
Unknown - Tell us

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By poppysue
Thumbnail #1 of Iris  by poppysue

By poppysue
Thumbnail #2 of Iris  by poppysue

By EROCTUSE2
Thumbnail #3 of Iris  by EROCTUSE2

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Crimson On May 31, 2003, Crimson from Clarksville, TN (Zone 6b) wrote:

My 'Blue Luster' was not even remotely blue, but a true purple color.

On the positive side, it grows well, needs staking against wind when in bloom. Medium flowers, multi-blooms. Grew best in full sun, well watered (not sandy) soil.

Plant info that came with this plant: Height: 38", Space 18-30" apart, moist/fertile soil, Full sun in North/Part shade in South, Divide every 3-4 years for best blooms.

Regional...

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

Tucson, Arizona
Belleville, Michigan
Weston, Oregon
Jacksonville, Texas
Madison, Wisconsin



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