The Celtic Tree Calendar is based on the ancient alphabet know as Ogham. Each letter has a corresponding tree as listed below. New tree months begin on the eve of the day given in the calendar.
Luis ( Rowan ) 21January thru 17 February
Nuin ( Ash ) 18 February thru 17 March
Fearn ( Alder ) 18 March thru 14 April
Saille ( Willow ) 15 April thru 12 May
Huath ( Hawthorn ) 13 May thru 9 June
Duir ( Oak ) 10 June thru 7 July
Tinne ( Holly ) 8 July thru 4 August
Coll ( Hazel ) 5 August thru 1 September
Muin ( Vine ) 2 September thru 29 September
Gort ( Ivy ) 30 September thru 27 October
Ngetal ( Reed ) 28 October thru 24 November
Ruis ( Elder ) 25 November thru 22 December
The Secret of the Unhewn stone ~ 23 December
Beth ( Birch ) 24 December thru 20 January |