Debenhams representative Ed Watson said:
"They’re cheaper than real flowers, are always in bloom and never need watering. And we can guarantee that none of them will ever suffer from greenfly.
"Everyone, from millionaires to manual workers are buying them – and it’s saving them a fortune.
Debenhams sales figures showed that customers are opting for brightly coloured fake flowers, with lime green stems outselling darker red colours by 25 per cent.
Their biggest seller is the coral ranunculus, a new line launched for spring.
Debenhams has introduced single short stems new for this season, which so far have accounted for 20 per cent of overall stem sales showing a move in trend towards customers making their own arrangements.