Growing Iris

 

ONLINE COURSE IRIS

Gain an in-depth appreciation of the iris, how to grow them to achieve optimum results and the identification of different varieties of irises. Significant sections are included on landscaping with irises, hybridisation and propagation, harvest, post-harvest treatments, achieving and assessing quality, and exhibiting the flowers.

This is a valuable course for anyone with a serious interest in irises either as a commercial grower or an enthusiastic home collector.

Lesson Structure

There are 8 lessons in this course:

1. Introduction
   • Review of the system of plant identification
   • Classification of iris into bulbous, rhizomatous and tuberous
   • Scientific classification (into sections, sub sections, series and species)
   • Biology of iris
   • Information sources
   • Review of Iris xiphium
2. Culture
   • Plant selection
   • Planting
   • Staking
   • Mulching
   • Watering
   • Feeding
   • Pruning, etc.
3. Propagation and Hybridisation
   • Seed
   • Division
   • Separation
   • Tissue Culture
   • Review of selected species/hybrids.
4. Review of Major Types of Irises
   • Bearded
   • Loisiana
   • Siberian
   • Dutch
   • English Spanish
5. Pest and Diseases
   • Review of species from contrasting environments
   • Review of various health problems
6. Water Irises
   • Review of species
   • Irrigation
   • Irises in Hydroponics
7. Landscaping with Irises
   • Garden Design
   • Cottage Gardens
   • Using Colour
   • Review of more Iris species
   • Flower bed design
8. Harvest, Post Harvest, Exhibiting and Quality

Each lesson culminates in an assignment which is submitted to the school, marked by the school's tutors and returned to you with any relevant suggestions, comments, and if necessary, extra reading.

Aims

• Explain the taxonomy of Iris
• Explain the normal cultural requirements for different types or Iris.
• Breed and propagate Iris.
• Describe the identification and culture of a range of commonly cultivated Iris.
• Manage pest and disease problems on Iris
• Manage water requirements for Iris
• Discuss cultivation of Iris hydroponically
• Explain the use of Irises in landscaping
• Describe the production of Iris as a cut flower crop, in particular the harvest and post harvest.

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