Learning Objectives
5 objectives- Understand and apply fundamental horticultural design principles to create aesthetically pleasing garden layouts.
- Conduct comprehensive site analyses to inform garden design decisions based on environmental and site-specific factors.
- Select appropriate plants considering climate, soil, water needs, and design aesthetics to develop a cohesive plant palette.
- Design functional and sustainable garden spaces that integrate features such as seating, pathways, and water elements.
- Develop maintenance plans that ensure the long-term health, seasonal interest, and sustainability of horticultural gardens.
Content Outline
PreviewUnit 3250: Horticultural Garden Design and Maintenance
1. Understanding Horticultural Design Principles
1.1 Introduction to Design Principles
- Definition and importance in garden design
1.2 Key Principles
- Balance: symmetrical, asymmetrical, and radial
- Proportion: size relationships among plants and structures
- Unity: creating a cohesive garden theme
- Rhythm: repetition and progression in garden elements
- Focalization: establishing points of interest
1.3 Application of Principles
- Case studies of garden layouts
- Practical exercises in applying principles to conceptual designs
2. Site Analysis and Assessment for Garden Design
2.1 Conducting a Site Survey
- Mapping existing features
- Measuring garden dimensions
2.2 Environmental Factors
- Soil quality: texture, pH, fertility
- Sunlight exposure: microclimates, sun/shade patterns
- Drainage: water flow, erosion risks
- Existing vegetation: identification and assessment
2.3 Impact on Design Decisions
- Matching plant requirements to site conditions
- Identifying constraints and opportunities
3. Selecting Plants for a Horticultural Garden
3.1 Plant Selection Criteria
- Climate adaptability
- Soil compatibility
- Water requirements and drought tolerance
- Aesthetic factors: color, texture, form
3.2 Developing a Plant Palette
- Combining plant types: trees, shrubs, perennials, groundcovers
- Creating seasonal interest
- Native vs. exotic species considerations
3.3 Plant Sourcing and Availability
- Nurseries and suppliers
- Plant health and quality assessment
4. Designing Functional Garden Spaces
4.1 Garden Features and Their Functions
- Seating areas: placement, materials, comfort
- Pathways: design, materials, accessibility
- Water features: ponds, fountains, irrigation
- Vegetable and herb gardens: layout and companion planting
4.2 Integrating Features into Overall Design
- Flow and connectivity
- Aesthetic coherence
- User experience and safety
5. Implementing Sustainable Practices in Garden Design
5.1 Water Conservation Techniques
- Drip irrigation, rainwater harvesting
5.2 Soil Health and Composting
- Organic matter management
- Composting methods and benefits
5.3 Organic Pest Control
- Biological controls
- Companion planting
- Non-chemical interventions
5.4 Native Plant Selection and Biodiversity
- Benefits to local ecosystems
- Enhancing wildlife habitat
6. Maintenance and Care of a Horticultural Garden
6.1 Essential Maintenance Tasks
- Watering schedules and techniques
- Fertilizing: types and timing
- Pruning methods and timing
- Pest and disease monitoring and control
6.2 Developing a Maintenance Schedule
- Seasonal tasks
- Record keeping and monitoring
6.3 Tools and Equipment
- Proper use and care
- Safety considerations
7. Designing for Seasonal Interest
7.1 Understanding Seasonal Changes
- Plant growth cycles
- Seasonal color and texture variations
7.2 Plant Selection for Year-Round Appeal
- Early bloomers, summer plants, autumn foliage, winter interest
7.3 Planning Seasonal Displays
- Bulbs, annuals, and perennials
- Arranging for continuous bloom and visual interest
7.4 Case Studies and Design Examples
- Examples of gardens with strong seasonal impact
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