"It took me about two weeks to make it. Once I start doing something, I just keep going until it's done."
In the garden, a shingle path leads through a small lawn into the large rockery.
Bromeliads - some very large and brightly coloured - dominate here, and there's also an orchid nursery, and garden art scattered throughout.
Kevin's garden contains several sculptures by Castlecliff-based artist Ivan Vostinar, and Buddhist and Christian inspired sculptures.
In the centre of the rockery is a covered barbecue area, one wall of which is devoted to a collection of another of Kevin's plant obsessions - Tillandsia.
Also known as air plants,
Tillandsia do not need to be planted in soil as they are able to get their nutrition from the air.
Kevin Luff's wall of Tillansias, also known as air plants because they get their nutrients from the air.
Tucked away In the far back corner of the garden is a little grotto with a waterfall and a small pond.
"I love sitting out in the garden when the weather is good, having dinner. Or inviting people over to have a barbecue," Kevin said.
There's only a tiny part of the garden that Kevin hasn't turned into a rockery, and wife Christina insists it remains as it is.
