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Tree Calendar

The Celtic Tree Calendar



What’s your ‘Tree Sign’? 

 … as based on the ’Celtic Tree Calendar’ devised by Robert Graves in his book ‘The White Goddess’.  There are 13 months to loosely correspond with the ancient Celtic lunar calendar ..

BIRCH ~ Dec 24th – Jan 20th

ROWAN ~ Jan 21st – Feb 17th

ASH ~ Feb 18th – Mar 17th

ALDER ~ Mar 18th – Apr 14th

WILLOW ~ Apr 15th – May 12th

HAWTHORN ~ May 13th – Jun 9th

OAK ~ Jun 10th – Jul 7th

HOLLY ~ Jul 8th – Aug 4th

HAZEL ~ Aug 5th – Sep 1st

VINE ~ Sep 2nd – Sep 29th

IVY ~ Sep 30th – Oct 27th

BROOM ~ Oct 28th – Nov 24th

ELDER ~ Nov 25th – Dec 22nd

PINE/FIR ~ Dec 23rd**

(**According to Grave’s calendar – Dec 23rd is not ruled by any tree for it is the traditional day of the proverbial “Year and a Day” in the earliest courts of law. I have chosen to attribute Ailm (Pine/Fir) as this was the correspondence I was taught for Yule in my Ogham studies with the brilliant Ceri Norman of