Hike for KaTREEna, now called NOLA Tree Project, will give away 500 free trees, one tree per resident, on Nov. 7, 10 a.m.- 3 p.m., St. George's Episcopal School, 923 Napoleon Ave. Parkway Partners and Hike for KaTREEna both hold tree giveaways on Saturday. The Parkway Partners event, at 1137 Baronne St., will include tips on planting, fertilizing, mulching and tree care. The Hike for KaTREEna event, in Brechtel Park, also will include hundreds of native trees. Laura Guccione pics out a Sweetbay Magnolia tree during the Hike for Katreena Big Treesy Giveaway at Lafreniere Park in Metairie Saturday, January 12, 2013. One thousand trees, including 25 varieties, were given out during the event at no charge. The trees came from Louisiana growers. (Photo by Brett Duke, Nola.com | The Times-Picayune)