February 8 to March 17: Ash

March 18 to April 14: Alder

April 15 to May 12: Willow

May 14 to June 16: Hawthorn

June 10 to July 7: Oak

July 8 to August 4: Holly

August 5 to September 29: Hazel

September 2 to September 29: Vine

September 30 to October 27: Ivy

October 28 to November 24: Reed

November 25 to December 23: Elder

December 24 to January 20: Birch

January 21 to February 7: Rowan