Plants were being unloaded, gardens measured out and vans rolled through heavy with equipment and tools from all the exhibitors.
If you want to get a taste of what is happening today at the show then check out the photographs uploaded to the Landscape Juice Network, as well as audio interviews with some of the exhibitors and the updates on Twitter.
The organisation is running smoothly, like the wheels of a large fairground moving into action after months of preparation.
The belief in this event is almost tangible, as the flags are unrolled for the first time.
There is no 2011 date on them, so they can no doubt be used in the future.