Hi Elroy,
I've shipped several times to the US , rates below are from DHL parcel courier, takes about 9 working days to fly the pond!
I can pack 3-4 pots, depending on size and weight of course and stay below the 5 kg including packing material.
Cheers,
Eric
0 - 2 kg € 24,00
2 - 5 kg € 32,00
5 - 10 kg € 52,00
10 - 20 kg € 95,00