SF Terraced Garden Transformation Guide
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Transform a sloped San Francisco garden into a terraced oasis, combining modern decking with naturalistic terraced landscaping. This guide details our approach to creating a multi-level garden that maximizes space while maintaining the tropical feel of the existing garden.
!IMG_0476.jpeg Starting point: Existing brick patio with established palms and tropical plants
Location Context
- Climate Zone: 10b (San Francisco)
- Typical Conditions: Mild temperatures, fog, occasional rain
- Challenges: Slopes, drainage requirements, microclimate considerations
- Key Feature: Views of surrounding hillside
Project Components
1. Base Decking Installation ($1,300)
The foundation of our renovation uses InstaDeck composite decking for the main seating area.
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Materials Breakdown:
- InstaDeck Panels (4 sets of 4x4ft): $1,000
- Why InstaDeck? Low maintenance, long-lasting, modern aesthetic
- Installation tip: Ensure proper support and leveling
- Installation Materials: $300
- Includes gravel base, sand, landscape fabric
- Pro tip: Don't skip the proper base preparation
2. Terraced Garden Beds ($1,600)
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Design Philosophy:
- 10" height differences between levels
- Natural flow from deck outward
- Creates distinct planting zones
- Improves drainage management
Materials & Methods:
Terrace Construction Layers (bottom to top):
1. Compacted base
2. Drainage rock + perforated pipe
3. Filter fabric
4. Retaining blocks
5. Soil
6. Plants
Key Components:
- Retaining Wall Blocks: $800
- Why blocks vs. wood? Longer lasting, better moisture resistance
- Installation tip: Stagger blocks for stability
- Drainage System: $300
- Critical for SF's rainy season
- Design prevents water accumulation
- Soil & Amendments: $500
- Custom mix for each level
- Focuses on drainage and root support
3. Plant Zones ($1,000)
Upper Terrace ($400)
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- Full Sun Plants
- Bird of Paradise
- Drought-tolerant grasses
- Succulents
- Why these plants? Maximize sun exposure, drought resistant
Middle Terrace ($300)
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- Mixed Sun/Shade
- Princess Flower
- Kangaroo Paw
- Native ferns
- Design principle: Create transition zone
Lower Terrace ($300)
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- Shade Tolerant
- Sword Ferns
- Heuchera
- Japanese Forest Grass
- Focus: Ground coverage and texture
4. Additional Features ($1,000)
Safety & Accessibility:
- Step Stones: $200
- Natural stone paths
- Prevents soil compaction
- Creates maintenance access
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Infrastructure:
- Drip Irrigation: $500
- Zone-specific watering
- Smart controller compatible
- Water conservation focus
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Aesthetics:
- Lighting: $300
- Path illumination
- Accent lighting
- Solar options
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Phasing Strategy
Phase 1: Foundation ($2,000)
![Phase 1 implementation diagram] Shows initial deck and first terrace installation
- InstaDeck installation
- First terrace wall
- Basic drainage setup
Phase 2: Structure ($1,500)
![Phase 2 implementation diagram] Shows additional terrace construction
- Remaining terrace walls
- Soil filling
- Initial planting
Phase 3: Finishing ($1,500)
![Phase 3 implementation diagram] Shows final plantings and features
- Complete plantings
- Lighting installation
- Pathway completion
Maintenance Plan
Seasonal Tasks
Spring:
- Prune winter growth
- Check drainage
- Add mulch
Summer:
- Monitor irrigation
- Deadhead flowers
- Trim palms
Fall:
- Plant perennials
- Clean gutters
- Check lighting
Winter:
- Protect sensitive plants
- Clear drainage
- Maintain paths
Budget Summary
Total Project Cost: $5,000
Cost-Saving Strategies
1. Material Sourcing Tips
- Buy materials like soil, mulch, and gravel in bulk to reduce costs (Bargain Landscape Supply)
- Look for recycled or reclaimed materials for hardscaping elements (Growtivation)
- Take advantage of end-of-season sales at nurseries and garden centers (Arka Energy)
- Check platforms like Craigslist or Facebook Marketplace for secondhand tools and materials
2. DIY Opportunities
- Prepare your own soil mix using compost and amendments
- Propagate plants from cuttings or seeds to expand your garden (Growtivation)
- Install your own gravel paths or simple retaining walls
- Install a basic drip irrigation system yourself
3. Phasing Suggestions
Learn more about phased landscape projects:
- Start with a single terrace or section of the garden
- Focus on drainage and soil improvement first
- Add plants over time, starting with key structural elements
- Plan for future expansion in your initial layout
4. Plant Propagation Methods
- Division: Split perennials like ferns and grasses
- Cuttings: Propagate succulents and shrubs
- Layering: Use for vines and shrubs
- Seed Saving: Collect and store seeds for future planting
Local Resources
Soil Suppliers
- Lyngso Garden Materials (South San Francisco)
- American Soil & Stone (Richmond)
- Bay Area Landscape Supply (San Francisco)
Plant Nurseries
Read more about SF's best nurseries:
- Sloat Garden Center (Multiple SF locations)
- Flora Grubb Gardens (Bayview)
- Clement Nursery (Richmond District)
Tool Rentals
- Cole Hardware (Multiple SF locations)
- Home Depot Tool Rental Center (Colma)
- Rental Depot SF (SOMA)
SF-Specific Gardening Notes
Fog and Microclimate Considerations
Learn about SF fog's impact on plants:
- Choose fog-tolerant plants like coast redwoods and sword ferns
- Utilize fog drip for natural irrigation
- Consider microclimate variations (Sloat Gardens Guide)
Local Planning and Regulations
- Check permit requirements for landscape changes
- Follow water use restrictions during droughts
- Review guidelines for urban tree management
Community Engagement
- Consider impacts on neighboring properties
- Join local gardening groups
- Share resources and knowledge with neighbors
Learn more about fog's contribution to Bay Area ecosystems at the Parks Conservancy and get additional climate insights from Marin Master Gardeners.
Progress Documentation
Space for documenting transformation
Lessons Learned
(To be updated as project progresses)
This guide is a living document and will be updated as the project progresses. Feel free to adapt these plans to your own garden space, considering your specific conditions and requirements.