AquascapeGallery.com

United Kingdom Aquatic Plant Society (UKAPS)
UKAPS is a thriving community of hobbyists and professionals, their website forum is an excellent resource for all things aquascaping.

Visit UKAPS

The Green Machine
The Green Machine is a specialist aquascaping retailer with a shop like no other, a visit is strongly recommended, truly the only one of its kind in the UK and probably quite far beyond. They also have a website shop where all their products are available to order.

The Green Machine's websites are an excellent aquascaping resource, there are many Aquascape Journals which have been clearly documented, as well as tips & tricks, and their newsletter archive.

Visit TGM's main web page
Visit TGM's online aquatics store