Certificate in Horticulture (Landscaping and Garden Design)
Our Certificate in Horticulture (Landscaping and Garden Design) Course includes core units in general horticulture as well as specialised landscape design, construction, features and landscape business management units. It is best suited to people who are wanting to start a career in landscape design as a contractor for an established enterprise, or for someone who is looking to commence their own business. As this course provides you with a broad foundation of knowledge in horticulture as well as landscaping and garden design, you will find that you will have a variety of employment fields to choose from.
Career Prospects
- Nursery Worker.
- Arboriculture Worker.
- Farmer.
- Floriculturist.
- Gardener.
- Horticulturist.
- Greens Keeper/Grounds Keeper.
- Landscape Gardener.
- Working in a farm supply or service business.
- Landscape Designer.
Course Delivery
This course is delivered 100% online. Upon enrolment students are issued with a login and password, providing access to OCA's e-learning centre. For a full demo of the OCA student experience from enrolment to graduation click here.
Recognition and Accreditation
Upon successful completion of this course you will receive an OCA Certificate of Achievement in Horticulture (Landscaping and Garden Design). There are no pre-requisites to this course.

Units of Study
This course has 30 units of study.
Click here for more details
Core Units
1. Plant Identification
- Nomenclature and taxonomy.
- The plant kingdom.
- Genus, species, hybrids.
2. Parts of the Plant
- How plants grow.
- Plant structure.
- Parts of the flower and leaf.
- Modification of stems and roots.
3. Planting
- How to plant and protect newly planted specimens.
- Terms like: annuals, biennials, perennials, deciduous.
- Evergreen and herbaceous plants.
4. Pruning
- Purpose for pruning.
- Rules for pruning.
- How to prune.
5. Irrigation and Machinery
- Different irrigation systems.
- Components of an irrigation system.
- Designing an irrigation system.
- Maintenance in the garden and for tools.
6. Soils & Media
- Soil classifications.
- Testing soil.
- Potting mixes.
- The U.C. System.
- Ingredients of potting mixes.
7. Soils & Nutrition
- Fertilisers - deficiencies and toxicities.
- N:P:K ratios.
- Salting.
- Fertiliser programming.
- Compost.
8. Seeds & Cuttings
- How to propagate plants by seed or cuttings.
- Propagating mixes.
- Cold frame construction.
- After care for young plants.
9. Other Propagation Techniques
- Other methods to increase plant numbers - budding, grafting, layering, division and tissue culture.
10. Landscape Application
- How plants are used in the landscape.
- How to choose and purchase plants.
- Selecting plants suitable for the climate and site.
11. Problem Situations
- Problems with plants and choosing plants for problem sites.
12. Indoor & Tropical Plants
- Indoor and tropical plants, flowers, herbs, bulbs, ferns.
13. Pests
- Identifying and controlling pests.
- Chemical and natural methods for control.
- Chemical safety precautions.
14. Diseases
- Identifying and controlling diseases.
- Plant pathology.
- Fungi, viruses, non-pathogenic problems.
- Interactions with the host and the environment.
15. Weeds
- Identifying and controlling weeds.
- Chemical terminology.
Stream Units
1. History of Landscaping
- Garden Styles.
- Types of Gardens.
- History of Gardens.
2. Principles of Design and Planning Information
- Principles of Design.
- Pre Planning Information.
- Using Colour.
- Natural Garden Design.
- Eclectic Gardens.
- Minimalist Gardens.
- Plant Application.
- Aesthetic Criteria for Design.
- Procedure for Planting Design.
- Entries.
- Birds in the Garden.
3. Drawing and Costs
- Cost Effective Design.
- Garden Style versus costs.
- Construction Decisions.
- Planting Decisions.
- Maintenance Decisions.
- Garden Investment.
- Determining Costs.
- Drawing Techniques.
- Computer Aided Design.
4. Irrigation
- Sprinkler Systems.
- Micro Irrigation.
- Planning an Irrigation System.
- How to Use a Watering System.
- Automatic Watering Systems.
5. Garden Designs
- Park Design
- Home Garden Design.
- Cottage Garden Design.
- Trail Design.
- Types of Trails (Fitness, Sensory, Cryptic, Environmental).
- Recreational Landsacaping.
- Playground Design.
- Barriers and Walls.
- Gradients and Dimensions.
6. Earthmoving & Drainage
- Levelling & Basic Surveying, Earthmoving Equipment.
- Earth Forming.
- Creating Mounds.
- Raised Beds.
- Importing or Improving Soil.
- Soil Shaping.
- Soil Degradation.
- Soil Rehabilitation.
- Earthworks calculations.
7. Materials
- Using, Choosing & Preserving Timber.
- Recycled Timber.
- Rock Work.
- Concrete.
- Coloured Pebbles and Gravel.
8. Paths, Walls & Fences
- Paths: Guidelines, Gradients, Surfaces, Walls & Sleeper Walls.
- Types of Fences.
- Building a Wood Fence.
- Garden Structures.
- Play Structures.
- Skate Facilities.
- Motor Vehicle Parks.
- Pavers, Stone and Gravels.
- Contracts and Specifications.
9. Equipment
- Manual Tools and Equipment.
- Power tools for landscaping.
10. Water Features
- Planning a Water Garden.
- Types of Water Gardens.
- Water Quality, depth, area, safety etc.
- Water Effects.
- Finishing Touches to a Water Garden.
- Fountains.
11. Garden Art: Statues, Sundials & Figurines
- Garden Rooms: How to Design a Garden Room, What to put in a Garden Room.
- Positioning Garden Art.
- Painting in the Garden.
- Pots, Sculpture and Statues.
- Outdoor Furniture.
12. Landscaping for Sports & Games
- Fun and Fitness Trails.
- Outdoor Multi Purpose Courts.
- Skateboarding.
- Types of Playgrounds.
- Park Design Criteria.
13. Landscape Management
- Role of a Manager.
- Management Processes.
- Law and Business.
- Communication Skill.
- Marketing.
- Industry Awareness.
- Landscape Management.
14. Industrial Relations: Unions & Workers
- Work Scheduling.
- Unions.
- Workplace Health and Safety
15. Maintenance of a New Landscape
- Protecting Young Plants.
- Replanting.
- Pruning.
- Weed Control.
- Maintaining Turf.
How Long Does The Course Take?
This course should take approximately 700 hours.
Each unit should take approximately 35-40 hours. Maximum 12 months access to this online course.
Course Costs
Purchase this course online and complete it at your own pace in your own time.
Pay Now
To purchase this course, simply click on add to cart.
Save at least 15% if paid in full
Pay Now Cost$2,499
Payment Plan
You may pay for this course via a flexible payment plan. To do so simply select this option and click on add to cart.
$99 Deposit
$100/Week for 29 Weeks
Total Payment Plan Cost $2999



