  We study the low temperature quench dynamics of the two-dimensional Potts
model in the limit of large number of states, q >> 1. We identify a
q-independent crossover temperature (the pseudo spinodal) below which no
high-temperature metastability stops the curvature driven coarsening process.
At short length scales, the latter is decorated by freezing for some lattice
geometries, notably the square one. With simple analytic arguments we evaluate
the relevant time-scale in the coarsening regime, which turns out to be of
Arrhenius form and independent of q for large q. Once taken into account
dynamic scaling is universal.
