Gants Mill - Gardens & Mill, Bed & Breakfast
Garden & Patio - Garden & Patio Accessories
Garden Bliss - Garden Games, Accessories, BBQs
Garden Cottage Nursery - Coastal Plants & Information 
Garden Design & Build - Regional Garden Designers
Garden Escape - Garden Offices
Garden Factory - Awnings, Barbecues, Fencing, Fountains, Gates, Heating & Trellis
Garden Fire Company - Fire Pits & Barbecues
Garden Guides - Discussion Forum
Garden History Society - Garden Conservation Information
Garden Machines - Garden Vacuums, Blowers & Equipment
Garden Mechanisation - Regional Garden Machinery Supplier
Garden Organic - Charity for Organic Growing
Garden Planning Company - Regional Design Service
Garden Shop - Teak Garden Furniture
Garden Simply
Garden Space - Garden Gifts & Accessories, Garden Toys
Garden Tools For All Seasons - Garden Tools
Garden World 24/7 - Garden Equipment & Accessories
Garden Writers Association - Lawn & Garden Industry Group
Garden Writers Guild - Association of Garden Writers
Garden Zone - Organic Gardening Information
Gardencut - Mowers, Trimmers, Cutters, Scarifiers & Shredders
Gardeners Corner - Discussion Forum
Gardening By The Sea - Coastal Gardening
Gardening Express - Garden Care, Outdoor Games & Plant Catalogues
Gardening for Disabled Trust - Help for the Disabled Gardener
Gardening.eu - Multi-lingual Plant Information
Gardenlovers - Gardening Forum
Gardenseeker - Gardening Advice & Information
Gardenvisit - Garden Holidays & Tours
GardenWise - Garden Machinery
Gardenzine - Online Gardening Magazine

Gee Tee Bulb Company - Flower Bulbs

Gifts That Grow - Plants as Presents

Glendoick Nurseries - Azalea & Rhododendron Nurseries
Globe Organic Services - Regional Garden Equipment

Gnome Reserve - Garden Gnomes
Gnomeland - Garden Gnomes

Golby's Garden Centre - Regional Dahlia Nursery & Garden Centre
Golf 4 Duffers - An evergreen4ever, non-gardening, affiliate website
Gone Gardening - Bedding Plants, Garden Machinery & Outdoor Leisure
Good Garden Books - Gardening Books

Grandad's Garden - Gazebos
Great British Gardens - Beautiful Gardens to Visit
Green Books - Organic Gardening Books
Green Gardener - Biological Pest Control
Green Reaper - Garden Machinery, Tools & Equipment
Greenbuilder.com - Xeriscape
GreenDealer - Exotic Seeds 
Greenfingers - Fencing, Edging, Decking, Buildings, Furniture & Water Features
Greenhouse Bonanza - Greenhouses & Garden Accessories
Greenhouses Direct - Greenhouses & Equipment
Greenshutters Plant Centre - Evergreen Hedging & Plants
Grow'Em Plant Propagation Database - Information Database for Propagation Methods
Growing World of Dahlias - Worldwide Dahlia Links