Don't put your daffodils in a vase without doing this one thing first, warns a florist

Spring flower displays in a white jug on table with daffodils and tulips to support the daffodil sap hack.

You know spring is truly in the air when you start seeing clusters of sunshine yellow daffodils in every florist and supermarket – their uplifting trumpets of bright colour serving as the perfect way to welcome spring into your home.

While many of us automatically add these uplifting yellow flowers to table centrepieces and vase displays to update homes for spring, there is one crucial thing that we should do first to prolong the life of these joyful seasonal blooms.