Newly published results say "disappointing weather" was a factor in the results. Like-for-like sales rose one per cent after the closure of Savilles Garden Centre in Leeds in June 2014.
Margin fell 1.5 per cent to 48 per cent.
Profit fell £2m to £2m.
EBITDA fell £1.7m to £5.2m.
Staff numbered 884.
Poor summer weather hit sales, including barbecues, which were 15 per cent down, the report stated.
Kelso, Stokesley, Daleside and Northallerton had full or partial refits.
Garforth garden centre near Leeds will launch in autumn 2016.
There are plans to redevelop Edinburgh, Polmont and Weaverdale.
Chief executive Bob Hewitt retires on 1 January 2017 and group operations director David Yardley takes over. Hewitt becomes executive chairman, replacing Dorothy Gault, who becomes group president.