Home / Guides / Plant Files / Iridaceae

Louisiana Iris 'Henry Rowlan'

Iris

Upload Image Print Article

Family

Iridaceae (eye-rid-AY-see-ee)

Info

Genus

Iris (EYE-ris)

Info

Synonym

Height

Unknown - Tell us

Spacing

36-48 in. (90-120 cm)

Hardiness

15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

Sun Exposure

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)

USDA Zone 10a: to -1.1 °C (30 °F)

USDA Zone 10b: to 1.7 °C (35 °F)

Danger

Full Sun

Bloom Color

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Foliage

Gold (yellow-orange)

Blue-Violet

Medium Purple

Class

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

Bloom Time

Height

Spacing

Sun Exposure

Danger

Hardiness

Bloom Color

Bloom Time

Foliage

Bloom Time

Non-patented

Bloom Color

Bloom Time

Class

Bloom Time

Bloom Color

Class

Bloom Color

Bloom Time

Other Details

Other details

Unknown - Tell us

Propagation Methods

Herbaceous

Seed Collecting

Unknown - Tell us

Soil pH requirements

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

Patent Information

Unknown - Tell us

Awards (if applicable)

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Water Requirements

Unknown - Tell us

Where to Grow

Unknown - Tell us

Seed Collecting

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Fruit Shape

Fruit Size

Fruit Colors

Growing Habit

Days to Maturity

Seed Type

Usage

Disease Resistance

Leaf Type

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow

Other details

Propagation Methods

Soil pH requirements

Patent Information

Plant Size (check one)

Growing Habit

Growth Rate

Leaf Shape

Leaf Appearance

Degree to which the appearance is present

Unknown - Tell us

Leaf Texture (top)

Unknown - Tell us

Leaf Texture (bottom)

Leaf Color

Color of Leaf Margin

Leaf Substance

Number of Vein Pairs

Appearance of Margin

Margin Width

Flower Shape

Flower Fragrance

Does it set seed?

Flower Size

Flower Type

Blooming Habit

Foliage Habit

Ploidy

Color Patterns

Awards (if applicable)

Louisiana (LA)

Gardener's Notes:

Post Comment

positive

neutrals

negative

Sort By:

Post Comment

Sort By:

Joan

Belfield, ND (Zone 4a) | July 2007 | neutral

Awards: Honorable Mention 2005; Award of Merit 2007; Mary Swords Debaillon Medal 2009

dmj1218

west Houston, TX (Zone 9a) | July 2006 | neutral

Stands and style arms blue-purple; falls slightly darker blue-purple, bold golden yellow signal; height 43"; early to mid-season blooms.

Popular Plants

SEE ALL

Featured

BUG FILES

Horehound Bug

(Agonoscelis rutila)

BIRD FILES

Lilac-breasted Roller

(Coracias caudatus)

Featured

BUG FILES

Horehound Bug

(Agonoscelis rutila)

BIRD FILES

Lilac-breasted Roller

(Coracias caudatus)

Louisiana Iris 'Henry Rowlan'

Iris

Featured Videos

Gardener's Notes:

Get to Know Dave's Garden

Follow Dave's Garden