No you need to question us growers im uk but why not just call a few American banks and sort it out as there are about ten different wats to pay thesedays like coin or paypal or bank transfer. Maybe the problems your card as its a real easy transfer.
Aint nobody need $1500 seeds or cuts, you can find amazing strains for a few bucks a seed easy at a normal banl and they chuck you some freebies in.
If your new og kush, skunk #1, cookies, pineapple exspress, jack herer, northern lights - there is an endless list of award winning strains anyone would be more than happy to grow and smoke.