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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Prairie Thunder
Hybridized by Black
Registered or introduced: 1990
» View all varieties of Iris

Class:

Arilbred (AB)

Height:

24-36 in. (60-90 cm)

Spacing:

9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

Hardiness:

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)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Blue-Violet

Maroon (Purple-Brown)

Cream/Tan

Bloom Time:

Midseason (M)

Foliage:

Herbaceous

Other details:

Flowers are fragrant

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

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):

Unknown - Tell us

Regional

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

Robertsville, Missouri

Corrales, New Mexico

Coshocton, Ohio

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Mar 17, 2011, DGcnm from Corrales, NM wrote:

This medium size iris bloomed the first year after planting,
was early and lovely. It has survived two freezing winters
and growing rapidly. I highly recommend it.