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Iris 'Black Gamecock'

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Photo Courtesy of Walters Gardens, Inc.
 Series Name: (Louisiana Group)
Common Name: Iris-Louisiana

If you’re new to Louisiana Irises, this is the right place to start!  You can’t go wrong with this top award winner.  It is known for having “outrageous vigor”, multiplying quickly when sited properly in consistently moist to boggy soil or shallow water. 

Blooming reliably each year, huge 4-6” blossoms open flat to display their regal velvety deep purple flowers with the narrowest gold signal on each petal.  The bloom time varies by climate, but typically ranges from late spring into midsummer.  This is certainly one of the most beautiful of all native cultivars!

Louisiana Irises typically bloom after both Siberian and Tall Bearded Irises have finished blooming for the season.

Origin: Native Cultivar

Characteristics:



Height:
  2-3 Feet
Spread:
  2 Feet
Flower Color:
  Purple shades
Foliage Color:
  Green shades
Hardiness Zone:
4,5,6,7,8,9,10
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
  Part shade (4-6 hrs. direct sun)
Wet or dry?:
  Consistent water needs
Want to see wings?:
  Attracts hummingbirds
Need critter resistant plants?:
  Deer resistant
  Rabbit resistant
How fast should it grow?:
  Rapid
When should it bloom?:
  Early summer
  Midsummer
How's your soil?:
  Fertile Soil
Sweet or Sour Soil?:
  Acidic Soil (pH < 7.0)
What's your garden style?:
  Modern
  Asian
  Rain Garden
  Water Garden
  Eclectic

Attributes:

Bog plant
Border plants
Cut flower or foliage
Mass Planting

Awards:

  American Iris Society Award of Merit 1986
  American Iris Society Honorable Mention 1982
  American Iris Society Mary Swords DeBallion Medal (highest honor for a Louisiana Iris) 1989

Homeowner Growing & Maintenance Tips:

Louisiana Irises are at their best when grown in wet to boggy soil or in shallow water up to four inches deep.  They tend to bloom heaviest when grown in water.  However, they can also be grown successfully in the garden as long as a consistent source of moisture is available.   The soil should be acidic, as the plants will be more pale in color and overall weaker when grown in soil with a higher pH. 

Louisiana Irises bloom best in full sun but will also grow in partial shade.  Late spring is the ideal time to transplant the rhizomes, though late summer or early fall is also acceptable.  Do not transplant them in the heat of summer or in late fall.  Plants will multiply quickly if sited properly.

These plants are heavy feeders, especially in zones where the growing season is relatively short.  Provide a dose of liquid fertilizer on a regular schedule for best results.

Provide pine straw or other mulch in the fall, but be sure to pull away the mulch early in the spring to prevent rot.

As their name implies, these plants are native to Louisiana and the southern states.  However, they are also cold hardy all the way to zone 4.  Louisiana Irises have one of the broadest growing ranges of all perennials, from zones 4-10.


Companions:

Common/Botanical Name
Zones  
Asclepias incarnata 'Cinderella'
Common Name: Swamp Milkweed
3,4,5,6,7,8,9
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Hibiscus SUMMERIFIC® var. 'Cranberry Crush' PP21984 CPBR4254
Common Name: Rose Mallow
4,5,6,7,8,9
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Carex elata 'Bowles Golden'
Common Name: Grass-Ornamental
5,6,7,8
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Lobelia cardinalis
Common Name: Cardinal Flower
3,4,5,6,7,8,9
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Matteuccia struthiopteris
Common Name: Fern-Ostrich
3,4,5,6,7
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Trollius chinensis 'Golden Queen'
Common Name: Globeflower-Chinese
3,4,5,6,7
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While every effort has been made to describe this plant accurately, please keep in mind that the height, bloom time, and color may differ in various climates throughout the country. The description of this plant was written based on our experience growing it in Michigan (USDA hardiness zone 5) and on numerous outside resources.