Please buy my book, Journal of an Irish Garden...
http://www.lulu.com/shop/rachel-darlington/journal-of-an-irish-garden/paperback/product-22467812.html
This video is about plants that can be used to create a jungle effect in your garden but are perfectly hardy.
Plants featured are...
1. Tetrapanax papyrifera 'Rex'
2. Paulownia tomentosa
3. Hosta 'Empress Wu'
4. Salvia forsskaolii
5. Astilboides tabularis
6. Verbascum bombyciferum
7. Telekia speciosa