At the annual Garden Centre Association dinner Cowells was named Garden Centre of the Year in the category for companies with sales under £4m. The runners up were Fairways in Ashbourne and Planters.
Barton Grange was named Garden Centre of the Year in the destination category, beating Bents and Poplars.
The Worral Cup, the award for best marketing campaign or initiative was presented to The Millbrook Garden Company, with the runners up being Garsons and the Old Railway Garden centre.
Previous winner Taylors Bulbs regained top position in the poll of GCA members and was named Associate of the Year, the award for the best supplier.
The full list of Garden Centres of Excellence is as follows:
Barton Grange Garden Centre, Preston
Bents Garden & Home
Burston Garden Centre
Cowells Garden Centre
Fairways Garden Centre, Ashbourne
Garsons Esher Garden Centre
Planters Garden Centre, Tamworth
Poplars Garden Centre
Squires Garden Centre, Twickenham
Van Hage Great Amwell.