Growing Carnations Online Course

Growing Carnations Online Course
Full Fee $649.00 incl GST - Best Value!
Payment Plan $800.00 incl GST
Duration 100 hrs (12 months)
Exam Optional
Tutor Support Yes unlimited by email
Qualification Certificate

Study the different methods of growing and harvesting carnations. A serious course equally valuable to the home enthusiast or the commercial cut flower grower.

You learn about growing quality carnations (planting, watering, pest & disease control, fertilizing), different ways of growing them (e.g. as row crops in soil, in hydroponics, in a greenhouse); and harvesting, post-harvest treatments, and quality control.


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    Detailed Course Outline

    This course is made up of a number of lessons or units.  Each of these has self assessment questions, a set task (practical homework) and an assignment which you can upload online.  Click below to read about each of the lessons and what you will learn.

    There are 8 Lessons in this course:


    • Review of the system of plant identification
    • Physiology
    • Information sources


    • Planting
    • staking
    • mulching
    • watering
    • feeding
    • pruning, etc.


    • Methods of propagating this group of plants
    • Propagation of selected varieties


    • Hydroponic growing conditions for carnations
    • Nutrient requirements
    • Suitable hydroponic systems
    • Planting out and cultural techniques
    • Carnation problems in hydroponics
    • Research insights
    • Growing in rock wool
    • NFT Culture

    Pest and Disease

    • Fungal Diseases (e.g. wilts, rusts, rots)
    • Pests (e.g. aphids, bud worms, mites, nematodes
    • Bacterial Diseases
    • Viruses
    • Chemical Use


    • Water deficiency symptoms
    • Water excess symptoms
    • Understanding water movement in soil
    • Managing soil water loss
    • Improving water retention
    • Hygroscopic water and gravitational water
    • Field capacity
    • Plant available water
    • Permanent wilting point
    • Saturation
    • Irrigation infiltration and drainage
    • Irrigation timing
    • Irrigation system types
    • Irrigation system maintenance
    • Evapotranspiration
    • Controlling drainage

    Greenhouse Management

    • Significance of greenhouse carnation production
    • Components of a greenhouse facility
    • Greenhouse types
    • Controlling an enclosed environment
    • Environmental factors (light, temperature, growing media/soil, air composition)
    • Managing greenhouse problems
    • Carbon dioxide enrichment
    • Heating
    • Ventilation
    • Lighting equipment
    • Irrigation and nutrition management in a greenhouse
    • Managing pest and disease in a greenhouse
    • Scheduling carnation crop production

    Harvest, Post Harvest and Quality

    • When and how to harvest flowers
    • Factors that affect flower longevity after harvest
    • Chemical treatments (e.g. germicides, silver thiosulphate, sugar, acid)
    • Other treatments
    • Quality control (judging and grading flowers, conditioning for market, packaging)

    When you have completed the lessons of your Certificate course, you will be given the option of taking the optional exam. It's okay if you don't want the exam, we still issue your Careerline Certificate. For Advanced Certificates however, the exam is compulsory (per module) and are included in the course fee.

    Course Tutor(s)

    Barbara Tremain BSc. (Hons) Horticulture, RHS Adv. Cert,. RHS General, City & Guilds Garden Design, Permaculture Level 3 (UK)

    Barbara brings to Careerline a wide range of horticultural experience and knowledge Barbara has a keen interest in herbalism, edible wild plants and has lead into studies of many plant based complementary medicinal systems, qualification as a Bach Flower remedy practitioner and studying Ethnobotany. Barbara has practiced and studied horticulture as well as combining it with her love of travel in many countries including the UK, US and Australia and has also studied Permaculture and runs her own horticulture business. Within the past two years she have also worked for Groundwork SW with 18-24 year old unemployed people, this work and the mentoring scheme has allowed me to teach informally. It has been a delight to nurture the interests of keen learners in horticulture and garden design. Meanwhile the business has covered a variety of Garden Design projects, from wildflower gardens to seaside situations, and has included some work with Chelsea Gold multi-winner John Moreland.

    Frequently Asked Questions

    Can I pay in installments?

    Yes! We offer great payment plans, however full payment up front is the cheapest. You can choose the best payment plan for you from the course page, or call us on 07 55368782 to talk to one of our course consultants for a custom plan.

    Can I study from anywhere in the world?

    We have many international students. Careerline's range of courses are suitable for any one, anywhere in the world.

    Do I get a discount if I enroll in a second course?

    Yes. You may claim a 5% fee discount when you enroll in a second course, and a further 10% off a three-course package.


    Do I have to sit an Exam?

    No. If you are enrolled in a Certificate course (100hrs), the exam is optional. You will be issued with a certificate which proves that you are competent in all units, if you choose not to sit the exam.

    Do you have set start dates?

    There are no set start dates, you may start at any time. Our courses are all self-paced. As our home page says, ‘Courses for Anyone, Anywhere, Anytime’. ‘Anytime’ includes the start time of your choice. However, we do encourage our students to submit assignments on a regular basis. Wherever possible, we suggest developing a study routine.