Possible Clues:

• Work in the Channel Islands producing plants
• Plants produced by law in island group?
• Plants have a role in the Channel Isles
• Plants originally cut before start of play
• After a century, the play starts with prickles
• Cholla and peyote
• No pal joined in this growing group
• Some prickly characters created scenes in Channel Islands
• Such plants have their points
• Spiky plants found in deserts