Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'Silverado'

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Silverado
Hybridized by Schreiner; Year of Registration or Introduction: 1986

» View all varieties of Iris

One vendor has this plant for sale.

20 members have or want this plant for trade.

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:
Light Blue
White/Near White

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)
Allow cut surface to callous over before planting

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
John C. Wister Memorial Medal (TB)

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to view:

By TBGDN
Thumbnail #1 of Iris  by TBGDN

By dertdiggr
Thumbnail #2 of Iris  by dertdiggr

By greenorchid
Thumbnail #3 of Iris  by greenorchid

By DaLoveRat
Thumbnail #4 of Iris  by DaLoveRat

By TBGDN
Thumbnail #5 of Iris  by TBGDN

By jfrizzell
Thumbnail #6 of Iris  by jfrizzell

By mountaineer
Thumbnail #7 of Iris  by mountaineer

There are a total of 36 photos.
Click here to view them all!

Profile:

6 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Irissimo On May 3, 2012, Irissimo from London/Kent
United Kingdom wrote:

Thanks to the glowing reports on this website ,which I find very useful; I ordered Silverado from a British nursery .Everything about it(particularly colour and shape ) ticks the right boxes for me .So let's see how it does in my cool damp London /Kent garden . You know that you are really hooked on Iris when you'd rather plant them than go out !

Positive ms_greenjeans On Jun 6, 2011, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

Absolutely fabulous. I was somehow fortunate enough to accidentally select this variety as my first bearded iris. It is tall, stately, hardy, and nothing short of stunning. The flowers are very large and this year each stalk has at least 10 blooms. I now have four other iris varieties, but this one dwarfs and outshines them all.

Positive KSBaptisia On May 29, 2010, KSBaptisia from Beatrice, NE (Zone 5b) wrote:

Beautiful, good growing iris.

Positive TBGDN On Feb 18, 2006, TBGDN from Macy, IN wrote:

This is (in my opinion) probably Schreiners crowning achievement in irises. Not to diminish any of their other accomplishments in iris hybridizing, this one has all the great qualities and beautiful good looks every iris collector waits for. If I had to give up all the irises I grow except for ten, this one would be first of them to stay! If form, balance, color, growth, bloom habits, increase and winter hardiness are all taken into consideration, this one will be hard to beat! An outstanding iris!

Neutral doss On Mar 22, 2005, doss from Stanford, CA (Zone 9b) wrote:

'Silverado' has an Early to Mid season bloom. 38"

This highly recognized Iris has won every award the American Iris Society gives to Tall Bearded Iris. 'Silverado' won the Highly Commended '86; Honorable Mention '89; Award of Merit '91; Wister Medal '93;
Dykes Medal '94.

In order to win the Dykes Medal, the Iris must have won every other award, except the Highly Commended. Only recently has the Wister Medal - the highest award for the Tall Bearded Iris - been required for the Dykes Medal. I doubt that this was the case in 1994.

Positive Nancymo On Jan 20, 2004, Nancymo from Marble Hill, MO wrote:

This iris would be in my favorite top 10! Performs very well here.

Positive mountaineer On Dec 18, 2003, mountaineer from Manhattan, KS wrote:

This is a outstanding Iris. I could not believe the number of blooms it has. Each stock has 7 or 8 with lots of stocks. It is absolutely gorgeous when it blooms mid season in zone 5.

Regional...

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

Oro Valley, Arizona
Brea, California
Boise City, Idaho
Eastport, Idaho
Niles, Illinois
Macy, Indiana
Cedar Rapids, Iowa
Barbourville, Kentucky
Anacoco, Louisiana
Preston, Maryland
Belleville, Michigan
Blanchard, Michigan
Deer River, Minnesota
Hopkins, Minnesota
Robertsville, Missouri
Beatrice, Nebraska
Las Vegas, Nevada
Auburn, New Hampshire
Los Alamos, New Mexico
Lawton, Oklahoma
Harbeck-fruitdale, Oregon
Conway, South Carolina
Greeneville, Tennessee
Dallas, Texas
Lubbock, Texas
Cedar Hills, Utah
Portsmouth, Virginia
Cathan, Washington
Selah, Washington



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