It has unusual small white flowers with bright red lips.
I've tried several times to photograph it without success.
After a search or two I found out what it is:
A Salvia with the common name 'Hot Lips'.
I thought to myself, 'That is a must have.'
A search of eBay brought up some plug plants from my favourite plug plant seller;
The original listing on eBay:

Today they arrived:

When we returned from our mid-afternoon walk I set about potting them up:

They are classed as half hardy but should be able to survive all but the harshest winters.
For now they are in the greenhouse while they get established.