What Are Irises?

When To Plant - July, August, September      Where To Plant  - 6-8 hours of sunlight     

Soil Preparation - Moist but well-drained      Planting Depth  - Barely below soil surface      Spacing Plants  - 12-24” apart, groups of 3      

Watering  - When top 3” of soil is dry      

Fertilization - 10-10-10      

Dividing Clumps  - Every 3-4 years      

General Garden Care  - Keep rhizomes free of weeds and leaves 

1) Dutch –  Comes from a bulb Excellent cut flowers Popular in the floral trade 

When To Plant - Plant in fall before frost Where To Plant - Sunny location 

Fertilization - Spring 10-10-10  General Garden Care- Cut off bloom stalks before seed pods form 

 2) Louisiana –  Native to southern states Grow nicely at edge of ponds 

When To Plant - Plant in fall before frost Where To Plant - Sunny location Fertilization - Spring 10-10-10 

General Garden Care- Cut off bloom stalks before seed pods form 

3) Siberian –  Tall, delicate, grassy foliage  Native to Italy & Turkey  

 Siberian - Even moisture Watering –

How to Plant – Siberian 1” deep 

Where To Plant - Sunny location Fertilization - Spring 10-10-10  

General Garden Care- Cut off bloom stalks before seed pods form 

4) Japanese –  Resemble tropical birds Blooms after bearded irises Thrives around ponds

Watering ( Japanese) - As much water as possible 

Garden Soil – Japanese - Require acidic soil 5.0-6.5 

How to Plant – Japanese- 2” deep 

    Where To Plant - Sunny location Fertilization - Spring 10-10-10  General Garden Care- Cut off bloom stalks before seed pods form 

5) Dwarf Woodland Iris – (Crested Iris)

  It is a “Native Star”  

* Beardless Iris  - Purple, Blue, Lilac, Lavender, & White  

* Bloom early Spring to May  

* Grows 3-6” Tall in humus-rich soil  Works well as a ground cover  

* Prefers dappled shade  - Deer-resistant   Makes delightful tree surrounds 

• Bacterial Leaf Blight 
• Fungal Leaf Spot 
• Bacterial Soft Rot 
• Fungal Crown Rot   
• Pests Iris Borer