Ni ọdun to kọja, Tree Circus, Britton Fund, WCISA, California ReLeaf, Sacramento Tree Foundation, Canopy, ati Luther Burbank Experimental Farm ati Ọgba ṣe ajọṣepọ lati mu Irin-ajo Ọsẹ Arbor California lọ si Northern California. Idi ti iṣẹ-ajo irin-ajo Ọsẹ Arbor CA ni nìkan lati ṣe ayẹyẹ awọn igi California, pataki ni agbegbe Sacramento/Bay, ati lati kọ awọn ara ilu ni idiyele ti arboriculture. Irin-ajo ọjọ-10 kan ti awọn iṣafihan TreeCircus ti n ṣe ati awọn ayẹyẹ Ọjọ Arbor ni a gbero ati ṣiṣe ni kikun. Fun alaye apejuwe ti Tour akitiyan, be ni Britton Fund ká aaye ayelujara.
Owo Britton ati California ReLeaf n reti lati tun iṣẹlẹ yii ṣe ni Gusu California fun ọdun 2013. Awọn ajo ti o nifẹ si ati awọn ilu yẹ ki o kan si mary@thebrittonfund.org fun alaye lori ilana elo.