Another common plant that is used is the foxglove (Digitalis purpurea).
This is the famous Digitalis that has been used to treat heart diseases,
but, as with many other things, it needs to be used in moderation.
A jot too much and it could be fatal.
Bethan Wyn Jones was brought up in Talwrn, Anglesey, and continues to live there. She graduated in Zoology from University of Wales College, Aberystwyth. She is a weekly contributor on ‘Galwadau Cynnar’, a BBC Welsh radio programme, and has a weekly column about various aspects of the natural world in the Herald Cymraeg, a Welsh supplement in the Daily Post. She has published several books including Bwrw Blwyddyn, Chwyn Joe Pye a Phincas Robin, Natur y Flwyddyn and theDoctor Dail series.