Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'W.R. Dykes'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: W.R. Dykes
Hybridized by Dykes, W.R. - Orpington; Year of Registration or Introduction: 1926

» View all varieties of Iris

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:
Fuchsia (Red-Purple)
Bright Yellow

Bloom Time:
Late Midseason (MLa)


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:

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

Click thumbnail
to view:

By Mainecoon
Thumbnail #1 of Iris  by Mainecoon

By greenorchid
Thumbnail #2 of Iris  by greenorchid

By greenorchid
Thumbnail #3 of Iris  by greenorchid

By figaro52
Thumbnail #4 of Iris  by figaro52


2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive figaro52 On May 14, 2010, figaro52 from Oak Lawn, IL (Zone 5a) wrote:

W.R. Dykes is new in my garden this year -- great branching for a first-year bloom!

Neutral 1913cat On Aug 5, 2009, 1913cat from Robertsville, MO (Zone 5b) wrote:

Dykes-Orpinton 1926

Positive Mainecoon On Feb 26, 2006, Mainecoon from Shepherd, MT wrote:

I just love how unique this plant is. & it grows good in my


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

Rancho Cucamonga, California
Oak Lawn, Illinois
Williamsville, Illinois
Durham, Maine
Robertsville, Missouri
Shepherd, Montana
Grants Pass, Oregon
Greeneville, Tennessee

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