Love these giant bromeliads I was thinking about as features they would definitely add interest but not sure whether they would work in the UK climate. The giant ferns in the background (if that is what they are) also add interest.
Fantastic view hiking from Giant's Causeway Northern Ireland on a (rare) gorgeous day - shot with iPhone 5
The single-seeded fruit of the giant fan palm, or Lodoicea maldivica, can weigh 44 lbs. Commonly known as the double coconut or coco de mer, it is found wild only in the Seychelles in the Indian Ocean.