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Biodiverse gardens

  • Home
  • Bio
  • Garden Design Portfolio
  • Planting Plan Portfolio
  • Services
  • Garden Journal
  • Contact
  • Custom Garden Design Gifts
  • RHS Hampton Court Palace Garden Festival 2025
  • Publications
Alison Shadwell-Williams Garden designs adapting to the climate using native and non native plants in California and beyondd

Alison: bridging artistry & Ecology

Resilient, biodiverse, and beautiful gardens that inspire year-round enjoyment.

Alison brings global horticultural training and a sophisticated creative vision to every project, blending naturalistic artistry with practical, climate-responsive design. While her work is rooted in California—holding certifications in native-plant and defensible-space design—her approach is defined by an international design perspective.   

Global Artistry, Local Resilience: I believe a garden is a living dialogue between architecture and nature. My work focuses on creating naturalistic sanctuaries that are rooted in California’s unique ecology but elevated by European design principles. 

By blending drought-tolerant plant palettes with structural artistry, I design spaces that adapt to a changing climate while offering a timeless sense of place.

Climate-Adapted Planting: Creating high-performance habitats that thrive with minimal intervention.

Biodiversity Focus: Specializing in pollinator corridors and habitats like the Hummingbird Haven.

Artistic Visualization: Providing high-end SketchUp renderings to help clients see their garden before the first stone is laid.

Resilient & Technical Design Expertise Beyond aesthetics, Alison integrates Firewise garden principles to address the critical challenges of drought and fire risk in the California landscape. Her technical approach includes the design of rain gardens and bioswales, utilizing water-smart features and sustainable materials to ensure every garden is as functional and resilient as it is visually compelling.

Contact me to discuss your project
Graduate of London College of Garden Design Logo
Certified California Native Plant Landscaper
RHS Hampton Court Palace Flower Show Designer 2025
Graduate of London College of Garden Design  Planting Design Diploma

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