Eimert de Graaff and his partner Ian Lucas of QV web services have launched the guide.
Garden centres are being offered an enhanced listing free if they register during March.
The site, gardencentreguide.co.uk, lists contact information, opening times, Google maps and staff vacancies at garden centres nationwide.
Founders Eimert de Graaf and Ian Lucas are urging garden centres to check if their details are correct.
Buying group HART founder de Graaf joined up withLucas to form QV Quality Vouchers, an incentive scheme for independent garden centres. Lucas is a former chairman of Hart.
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