Possible Clues:

• Sounds as if this will be for Scotland
• One is so prickly for Ascot, by the sound of it
• This is the start of it for a Scot and end with the French
• The hat here is missing one emblem
• Prickly weed
• Scots plant emblem
• Prickly plant providing most of the fibre used in carpets
• Scotland's emblem
• The weed has prickly-edged leaves
• Time to replace top of pipe in plant