Where's my mint?

[eospete]

I have a selection of mint in pots (pineapple, chocolate, ginger, apple, etc) that have done well for the last 3 years but this year none of them are showing any signs of growth/springing into life. Any ideas as to what's gone wrong?

What are they planted in. It occurs that the wet winter might have leached out the nutrients from compost in pots and this might be limiting growth. Have you given them a feed yet?
P