Ono wrote:

Is it legal to bring unknown seeds into the UK? It's not legal in the
US. Any live plant materials must be declared at Customs.

--
David E. Ross
Climate: California Mediterranean, see
http://www.rossde.com/garden/climate.html
Gardening diary at http://www.rossde.com/garden/diary

That explains why i was not allowed to send seeds to US from my
country.
Does that mean if i wrote down any plant name of our native plants,
our post office could send it to US for us,
or are there some other regulations about the kinds of seeds they can
accept from overseas?
Anyway, i would have another challenge. Thanks for the info.

Ono

Customs regulations about transporting plant material have several aims.
They are trying to prevent the spread of unwanted foreign species of plants
and also the spread of plant diseases. So the seeds that you want might be
OK (or not depending on the species) but they could be blocked in case they
carry fungal spores or dirt with other seeds in it for example. There are
good reasons for such regulations so it is best to use approved methods for
importing seeds. Here (Australia) the authorities take a very dim view of
illegal importation of any kind of plant material and are likely to slap you
with a hefty fine.

David