Solus Chapelwood brand manager Henry Corbett said November and December sales were "double what we budgeted". He attributed 75 per cent of the growth to the coldest December in a century.
Dobbies garden centres said sales of bird care products rose by 34 per cent in 2010, with sales of bird feeders and feeding stations up 22 per cent and bird tables up 10 per cent. Seeds and nuts sold 24 per cent more than 2009 and overall sales online increased by 68.5 per cent.
Also in the £365m wild bird care market, Gardman experienced a boost in sales of a third across the bird-food range in 2010, compared to the same period last year.
Gardens group representative Brian King said: "Overall, we have seen an increase in the sales of bird food of 28 per cent at all three of our garden centres in Yeovil, Dorchester and Sherborne."