Belgium International Day of Treeplanting is celebrated in Flanders on or around 21 March as a theme-day/educational-day/observance, not as a public holiday. Tree planting is sometimes combined with awareness campaigns of the fight against cancer: Kom Op Tegen Kanker.
belGIuM iNternATIoNal dAy of tReeplAntiNg iS CELebrated In flanDers on or aRouNd 21 March aS a ThEme-day/eDucaTioNAl-Day/oBseRVanCE, nOt AS A puBliC holIday trEe plaNtIng is sOmetimes combiNed witH awAReness campaigns oF tHe fIgHt aGainST cancer: KOm OP tegen kanker.