Special collection: Louisiana Irises

The Louisiana iris comes from the wetlands near the Gulf of Mexico in the USA.  The growth cycle of the Louisiana iris begins in autumn, continues through winter and culminates in a rapid burst of blooms in the spring. 

 

Louisiana irises are evergreen perennials with sword like leaves which make them excellent landscaping accent plants.  They can be grown in typical garden beds, bog gardens or in a water feature. Other than their diversity in terms of the flower shape and height there is a vast range of colours to choose from.  White, yellow, blue, purple, red, pink with differing blend and star patterns makes each exquisite flower a gem in the garden.

 

Louisiana irises are easy to grow.  They thrive on ample water and an acidic (pH 6.5 or lower), fertile growing medium.   The plants may tolerate neutral or slightly alkaline conditions with sufficient water.  I use garden soil mixed with acid compost when planting in containers, and when planting in open ground, add acid compost or sulphur to the soil to lower the pH. 

 

The best time to plant and divide Louisiana irises is from February to April.  Irises should be planted with at least 5 cm of soil covering the rhizome and, ideally, at least 10cm of mulch over the soil.  Planted about 75cm apart, these irises can be left in place for 3-4 years and will form large clumps.  It is helpful to thin the bed every few years.  Transplanting immediately during or after flowering is not recommended.  The hot weather following the blooming season will stress the plants and little growth or even an early dormancy may result.

 

Prepare Louisiana iris beds a few weeks before planting, ideally at the end of February.    I use an balanced organic fertilizer when planting my rhizomes and to feed monthly until June and then change to high potassium fee like Multifeed from mid July to stimulate the flower production.   

 

Louisiana irises will grow anywhere but seem to prefer a part shade position.  In a very hot climate the blooms need some protection from the sun.  The mandatory mulch (we use pine needles) helps to retain moisture in the soil, keeps weeds under control, increases organic matter in the soil and protects against sun scald. They also grow well in very cold areas.

 

It is important to give iris beds a thorough soaking at least once a week, particularly in the growing season from late autumn to spring.  Too little water will cause stunted growth and leaves to turn yellow, or even stop growth and cause a plant to go dormant.   When planting or replanting new rhizomes, the plant must be given time to establish new roots before giving it too much water.  Keep the roots damp for three to four weeks before placing newly potted irises in water beds.


 Louisiana irises are priced and sold as single rhizomes.  Prices are adjusted in the nursery for larger clumps. We prefer to despatch orders between February and April, but will extend the time to end of July as plants are still in their growing season.  If clients insist, orders can be despatched in spring.

 

BULK SALES FROM SUMMER 2017 - WHILE STOCKS LAST! 

 

 

Buy bulk quantities of Louisiana irises at R20 each for 50 or more RANDOMLY ASSORTED plants. Orders will be made up in clumps of three to eight of a kind.  No specific orders accepted for bulk sales.  

 

 

 

Louisiana iris: All agaze

Description: Light pink sepals with salmon styles and bitone falls. Flowering time: Early - Mid season

Average height: 70cm
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R50.00  |   Buy now

Louisiana iris: Alluvial gold

Description: A good two tone deep yellow fading to cream

Average height: 100cm
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R75.00  |   Buy now

Louisiana iris: Bali Nights

Description: Large dark velvety violet blooms with golden signal.

Average height: 85cm
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R75.00  |   Buy now

Louisiana iris: Bubblegum ballerina

Description: Lavender pink bi tone with white spray pattern vigorous. Flowering time: Early season

Average height: 90cm
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R50.00  |   Buy now

Louisiana iris: Captain Gates

Description: A dark violet with white edge and yellow signal Flowering time: Mid - Late season

Average height: 80cm
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R50.00  |   Buy now

Louisiana iris: Cest la Motte

Description: A ruffled dark with yellow signals. Flowering time: Mid season

Average height: 75cm
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R75.00  |   Buy now

Louisiana iris: Crushed ice

Description: Pristine pure white with yellow signal Flowering time: Early - Mid season

Average height: 100cm
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R75.00  |   Buy now

Louisiana iris: Extra dazzle

Description: Dark cyclamen rose white rim lemon reverse. Flowering time: Early season

Average height: 102cm
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R75.00  |   Buy now

Louisiana iris: Festivals arcadian

Description: Red violet dark veining network and yellow halo Flowering time: Early season

Average height: 100cm
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R50.00  |   Buy now

Louisiana iris: Festive fever

Description: Violet pink standards with lighter falls and a strong yellow signal. Flowering time: Mid season

Average height: 110cm
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R75.00  |   Buy now

Louisiana iris: For Dad

Description: Round bright yellow with frilly edges and a good bud count. Flowering time: Mid - late season Good bud count Flowering time: Mid - Late season

Average height: 100cm
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R75.00  |   Buy now

Louisiana iris: Fortune finder

Description: A bright lemon-yellow bitone with fine violet veining when first open. This changes to ivory as bloom ages. Floriferous. Flowering time: Early season

Average height: 100cm
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R60.00  |   Buy now

Louisiana iris: Full eclipse

Description: Near black Flowering time: Early season

Plant type: Louisiana Iris
Bloom/flower colour: Purple
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R75.00  |   Buy now

Louisiana iris: Gerry Marstellar

Description: Pinkish lavender with cream edges. Large and vigorous. Flowering time: Early mid late season

Average height: 80cm
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R40.00  |   Buy now

Louisiana iris: Heather Pryor

Description: Soft tri colour pastel salmon pink Flowering time: Mid - Late season

Average height: 100cm
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R75.00  |   Buy now

Louisiana iris: Honey star

Description: A soft apricot cream bi colour Flowering time : Early to mid season

Average height: 70cm
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R40.00  |   Buy now

Louisiana iris: Hurricane party

Description: Violet large yellow signals Flowering time: Early season

Average height: 120cm
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R75.00  |   Buy now

Louisiana iris: Jacaranda lad

Description: Mid jacaranda blue Flowering time: Mid season

Average height: 100cm
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R75.00  |   Buy now

Louisiana Iris: Koorawatha

Description: Award winning iris with ruffled yellow blooms. Strong and floriferous.

Average height: 110cm
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R75.00  |   Buy now

Louisiana Iris: La Stupenda

Description: One of our most beautiful irisses. Rosy pink with a darker edge, green signals with a soft lemon edge.

Average height: 1m
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R75.00  |   Buy now

Louisiana Iris: Love me do

Description: Cerise red with white rim and bright yellow signal Flowering time: Mid - Late season

Average height: 80cm
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R75.00  |   Buy now

Louisiana Iris: Marble cake

Description: Cream lined splashed standards with solid magenta falls Flowering time: Early - Mid season

Average height: 105cm
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R60.00  |   Buy now

Louisiana Iris: Natural wonder

Description: A large dusky pink with darker veining. Yellow star signal with fluted centre.

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R60.00  |   Buy now

Louisiana iris: Noble planet

Description: An lovely short yellow with slight veining. Early season.

Average height: 85cm
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R60.00  |   Buy now

Louisiana iris: Peaches

Description: A strong grower with gorgeous true peach blooms. Flwering time: Very early

Average height: 90cm
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R60.00  |   Buy now

Louisiana Iris: Rosedale

Description: A gorgeous multicoloured rose pink with prominent yellow signal

Average height: 80cm
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R75.00  |   Buy now

Louisiana iris: Royal occasion

Description: Purple with yellow signal. Multiplies well. Flowering time: Mid season late

Average height: 110cm
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R50.00  |   Buy now

Louisiana iris: Ruth Waterhouse

Description: A bicolor white and lavender with veining and yellow signal. Multiplies well

Average height: 110cm
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R75.00  |   Buy now

Louisiana iris: Sinfionietta

Description: A true blue ribbon blue with a bold gold signal. Flowering time: Early mid season

Average height: 85cm
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R60.00  |   Buy now

Louisiana Iris: Stella Pelissot

Description: A two tone violet with ruffled edges. Lovely. Flowering time: Mid season late

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R75.00  |   Buy now

Louisiana Iris: Stylish socialite

Description: A well formed cerise mauve with a white edge. Superb. Flowering time: Mid to late season

Average height: 85cm
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R75.00  |   Buy now

Louisiana iris: Vanilla mist

Description: A lovely vanilla cream with gold line signals. Flowering time: Mid to late season

Average height: 100cm
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R60.00  |   Buy now

Louisiana iris: Wine country

Description: A well formed ruffled deep burgundy with a tiny yellow line signal. Flowering time: Mid to late season

Average height: 85cm
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R75.00  |   Buy now

Louisiana iris: Dural dreamtime

Description: Creamy white heavily ruffled blooms with a yellow signal. Flowering time: Mid to late season

Average height: 110cm
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R75.00  |   Buy now