The market fell 4% to a five-year low of £919m in 2009, but AMA predicted rises of 2%-3% post 2010.
AMA categorised nursery stock and bedding plants as 37% of the market and seeds and bulbs as 9%. It said nursery growth will be 2%-3% a year to 2014, when the market will be £380m, and predicted soft landscaping will rise from £408m in 2009 to £474m in 2014.
AMA cited Suttons, Taylors, Westland, Mr Fothergills, Winchester Growers and J Parker as sources.
It said garden centres have 47% of the UK soft landscaping market (up 2% from 2007), DIYs/multiples 21% and supermarkets/high streets 15%. Garden centres had 33% of the landscaping market, similar to DIYs/multiples.
AMA said soft landscaping had grown four per cent to 46% of the market thanks to grow-your-own trends, with hard landscaping at 36% and decorations at 18%. Paving and walling fell 4% to 19%. Seeds and bulbs grew 1% to 9% from 2007 to 2009.
Hard landscaping fell 13% to £328m in 2009 but is predicted to rise to £372m by 2014.