Allium Nigrum and a very wide selection of allium bulbs in the UK, try Bloms. Cool colors in a hot garden: allium Nigrum is planted with veronica 'Kapitan', stachys byzantia, and a cristophii.
Purple haze: Armeria martima and catmint have vibrant blooms - ideal for a gravel garden
Want to put in a flagstone path in your garden or backyard? Here's how to get started off on the right, well, path.
Step by step gravel path instructions
Curved planting beds create sense of the space being longer.
Take Another Look at Gravel: Chic Ways to Use It Outdoors — Take Another Look at.Gravel: Chic Ways to Use - Fresh Yard Ideas
GAP Photos - Garden Plant Picture Library - Gravel garden with timber bench and large rusty container - GAP Photos - Specialising in horticultural photography