Royal fern is a big un.
The male fern, Dryopteris felix-mas is very easy and less fussy about moisture than a lot of them.
What's the soil like?
Dry? damp?, acid?, alkaline?
Ooh, sorry, could ask on your thread too please, Justin. i'd like a small/medium fern for my stumpery that I will be making soon. soil is clay but prob topsoil where it is going.
matteuccia, the shuttlecock is deciduous and damp loving.
The royal fern like it really wet and preferably acid
harts tongue, asplenium is evergreen, easy but not very big
Lots of info here http://www.plantpost.co.uk/ferns.php