
Garden design · Guernsey
Gardens shaped around the way you live in them.
Bespoke garden design, planting and landscaping across Guernsey. From the first sketch to the final plant, I’ll see your garden through.
I treat every garden as a journey: a sequence of spaces, each with its own mood and sense of discovery. And I make sure the process is as considered as the outcome.
James Marshall
Services
How I can help
From a single border to the whole garden, every project starts with understanding your space, how you use it and what you’d like it to become.
Full garden design
A complete design for your whole garden, from layout and materials to planting and lighting, then seen through the build with trusted landscapers.
Find out more02Planting plans
Borders designed plant by plant, chosen for your soil, aspect and island exposure, and planned to look good through every season.
Find out more03Soft landscaping
The complete service, done by me: planting plan, plant sourcing, planting and aftercare, from first sketch to established border.
Find out more04Garden design advice
A visit to walk your garden together, talk through ideas and leave you with clear, practical next steps, whether you do the work or I do.
Find out moreDesign & delivery
More than a drawing
I don’t hand over a plan and walk away. Whatever the size of your project, I stay with it until it’s a finished garden, so what gets built and planted is what we designed together.
Larger gardens
Built with trusted landscapers
For full garden transformations I work alongside experienced hard landscaping teams on the island. I stay involved through the build, so paths, walls, terraces and structures are made just as they were designed. Then I lead the planting.
Planting projects
The complete service, by me
For borders and planting schemes I do it all myself: the design, sourcing every plant, preparing the ground, planting and aftercare. One person, one point of contact, and the same care from first sketch to established border.
Selected work
Gardens, drawings & visualisations
My approach
A considered process, from first conversation to first flowers
Conversation
A free call to hear about your garden, how you use it and what you’d like it to become.
Site visit
We walk the garden together. I survey it and note soil, light, aspect and exposure to the island’s wind and salt.
Design
Concept ideas, then a developed design, planting plan and seasonal visualisations, refined together until it feels right.
Build & planting
On larger gardens I work with trusted hard landscapers to build the design. The planting I do myself, with aftercare so it thrives.

About
Grown in the Cotswolds, rooted in Guernsey
I grew up in a family of horticulture. I was given my own patch of the family garden as a young boy, and that’s where my passion took root.
Alongside gardens, I’ve built a career in design, leading digital product and user experience projects. That work is about how people move through and experience a space. I bring the same thinking to every garden, and I’m just as happy with a spade in my hand.
- Horticulture
- A lifelong passion
- Design
- First class honours degree
- Guernsey
- Designing here since 2022
Contact
Tell me about your garden
Whether you’d like a full redesign, a planting refresh or aren’t yet sure what you need, I’d love to hear from you. The first conversation is free.
- Phone
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- @jmgardendesign
- Based
- Guernsey, working across the island


