Japanese Water Iris, Japanese Flag, Russian Iris
Iris ensata 'Jocasta'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: ensata (en-SA-tuh) (Info)
Cultivar: Jocasta
Hybridized by Innerst
Registered or introduced: 1987
» View all varieties of Iris

Class:

Japanese (JA)

Height:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

Hardiness:

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

Bloom Color:

Fuchsia (Red-Purple)

Red

Blue-Violet

Bloom Time:

Midseason (M)

Foliage:

Herbaceous

Smooth-Textured

This plant is resistant to deer

Other details:

Unknown - Tell us

Soil pH requirements:

5.1 to 5.5 (strongly acidic)

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Requires consistently moist soil; do not let dry out between waterings

Very high moisture needs; suitable for bogs and water gardens

Where to Grow:

Suitable for growing in containers

Regional

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

Southold, New York

Vancouver, Washington

Gardeners' Notes:

2
positives
0
neutrals
0
negatives
RatingContent
Positive

On Sep 1, 2008, shadowgirl from Moscow, TN (Zone 7a) wrote:

It took a while for this cultivar to get going, but the second year it was in the ground it put on a fair show.

Positive

On Jan 30, 2005, kivariver from Ipswich, MA (Zone 5b) wrote:

(Sterling Innerst) 1987. (originally registered as Jacasta) (Peacock Dance x Banners on Parade) 6-fall. Mid to late season bloomer. Pollen parent of Pleasant Starburst. Honorable Mention 1990. Award of Merit 1994.