California ReLeaf yalengeza kutulutsidwa kwa mpikisano wapadziko lonse wa Arbor Week kwa ophunzira mu 3rd-5th magiredi. Ophunzira akufunsidwa kuti apange zojambula zoyambirira zochokera pamutu wakuti "Mitengo Ndi Yofunika Kwambiri". Zotumizira ziyenera kuperekedwa ku California ReLeaf pofika February 1, 2011.
Kuphatikiza pa malamulo a mpikisano wa zikwangwani, ophunzitsa atha kutsitsa paketi yomwe ili ndi maphunziro atatu omwe amayang'ana pa mtengo wamitengo, phindu la mitengo, komanso ntchito zamatawuni ndi nkhalango. Phukusi lathunthu kuphatikiza mapulani amaphunziro ndi malamulo amipikisano yazithunzi zitha kutsitsidwa Webusaiti ya California ReLeaf. Mpikisanowu umathandizidwa ndi California ReLeaf, California Department of Forestry and Fire Protection (CAL FIRE), ndi California Community Forests Foundation.
Tsiku la Arbor, lomwe limakondwerera dziko lonse Lachisanu lomaliza mu April, linayamba mu 1872. Kuyambira nthawi imeneyo, anthu adalandira tsikuli popanga zikondwerero m'mayiko awo. Ku California, m’malo mochita chikondwerero cha mitengo kwa tsiku limodzi lokha, amakondwerera kwa mlungu wathunthu. Mu 2011, Sabata la Arbor lidzakondwerera March 7-14. California ReLeaf, kudzera mu mgwirizano ndi CAL FIRE, ikupanga pulogalamu yobweretsa mizinda, mabungwe osapindula, masukulu ndi nzika kuti zikondwerere. Pulogalamu yonse ipezeka koyambirira kwa 2011.