Tall Bearded Iris
Iris 'Kathleen Kay Nelson'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Kathleen Kay Nelson
Hybridized by Hager
Registered or introduced: 1992
» View all varieties of Iris

Class:

Tall Bearded (TB)

Height:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

9-12 in. (22-30 cm)

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

Sun to Partial Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Medium Blue

Bloom Time:

Late Midseason (MLa)

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):

Honorable Mention

Award of Merit

Regional

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

Tucson, Arizona

Anacoco, Louisiana

Lawton, Oklahoma

Readyville, Tennessee

Gardeners' Notes:

0
positives
3
neutrals
0
negatives
RatingContent
Neutral

On Feb 19, 2007, Joan from Belfield, ND (Zone 4a) wrote:

American Iris Society Awards: Honorable Mention 1995, Award of Merit 1997

Neutral

On Mar 14, 2006, Margiempv from Oro Valley, AZ (Zone 9a) wrote:

This iris is lovely, but it has been struggling since I've gotten it. it needs a lot of attention to keep it growing. It just may not like this climate in Southwestern AZ.

Neutral

On Mar 14, 2005, doss from Stanford, CA (Zone 9b) wrote:

Kathleen Kay Nelson
(Hager, 93) Mid to Late bloom season. 35"
"This deeply fluted dark violet-blue has extraordinary form... Seven to eight buds open on perfectly branched stalks... Soft light yellow beards."
Note from Cooley's Iris Garden

The American Iris Society awarded Kathleen Kay Nelson an Honorable Mention '95 and an Award of Merit '97.