Tall Bearded Iris
Iris 'Tennison Ridge'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Tennison Ridge
Hybridized by Begley
Registered or introduced: 1988
» 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:

Fuchsia (Red-Purple)

White/Near White

Bloom Time:

Early (E)

Early midseason (EM)

Midseason (M)

Reblooming (Re)

Foliage:

Herbaceous

Other details:

Flowers are fragrant

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 (2 reports)

Cotati, California

San Rafael, California

Yulee, Florida

Chicago, Illinois

Baton Rouge, Louisiana

Belleville, Michigan

Maple City, Michigan

Saint Paul, Minnesota

Alton, Missouri

Shepherd, Montana

Lawton, Oklahoma

Columbia, South Carolina

Greeneville, Tennessee

San Antonio, Texas

Vancouver, Washington (2 reports)

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Gardeners' Notes:

0
positives
2
neutrals
0
negatives
RatingContent
Neutral

On May 8, 2009, Mar_isa from San Antonio, TX (Zone 8b) wrote:

This year, my iris started blooming, but suddenly and after giving the first flower, the rest died. The plant is healthy though.

In my area, South Central Texas, it only gives flowers in Spring, but not in Fall. It is quite drought resistant and likes well drained soiled.

Neutral

On Jul 9, 2008, Joan from Belfield, ND (Zone 4a) wrote:

Awards: Honorable Mention 1991, Award of Merit 1993