Stitchawl,
Thanks for that - I'll give it a shot tomorrow
Here's two pictures of our 'inner' yard, it's still in the process of being rebuilt, frequently I actually want to just bulldoze the whole house and build a smaller one from scratch - but it's not my home
The first picture is obviously when we just started in this area, the next two are a couple of months later.
You can see the Lemon grass sitting next to the tap, started out as a miserably looking clump of nothing... and now it's a luscious bush.