Tall Bearded Iris
Iris 'Polar King'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Polar King
Hybridized by Donahue
Registered or introduced: 1939
» View all varieties of Iris

Class:

Tall Bearded (TB)

Height:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

12-15 in. (30-38 cm)

15-18 in. (38-45 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

Bloom Color:

Pale Yellow

White/Near White

Bloom Time:

Late Midseason (MLa)

Reblooming (Re)

Foliage:

Herbaceous

Other details:

Unknown - Tell us

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:

Unknown - Tell us

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Allow cut surface to callous over before planting

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Awards (if applicable):

Unknown - Tell us

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

Regional

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

Greenville, Rhode Island

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Aug 24, 2003, burden from Greenville, RI wrote:

Polar King is a white reblooming (reliably blooms spring and fall) tall bearded iris hybridized and introduced by the noted plantsman Thomas F. Donahue of Newton Lower Falls, Massachusetts. It was first shown at the fall flower show of the Massachusetts Horticultural Society in October of 1931 where it created much excitement and won numerous awards. Polar King was officially introduced in 1939 and was registered with the American Iris Society.It is a floriferous, vigorous grower with healthy foliage and generous increase. In New England it reliably reblooms starting in mid to late September through October, or until cut down by heavy frost, provided it receives fertilizer (5-10-10 or something low in nitrogen is good - superphosphate also works well) right after it's spring bloom, which i... read more