It includes mint, which signifies suspicion, hydrangea which means heartlessness, and cornflowers, which stand for celibacy.
Voters remember the Agenda 2010 labour-market reforms by the previous SPD-led government as the height of heartlessness, so its recent turn towards tenderness does not convince them.
Sensitive as he is to the old charge of Tory heartlessness over the NHS, Mr Cameron's own enthusiasm waned as the row intensified.