Postal address:
ASC
Postbus 3580
1001 AJ  Amsterdam
Holland

Store address:
Amsterdam Seed Center
Gravenstraat 12
1012 NM  Amsterdam, The Netherlands.

Phone: +31 (0)20 7370060 - reachable during open hours. 

Open hours :
Sunday through Wednesday 10.00 - 19.00
Thursday through Saturday: 10.00 - 20.00

KvK number (Chamber of commerce): 52526453

BTW number (VAT): NL850485332B01

[email protected]

Green Dream B.V.