Worth coming to Wildflower Center! Drop-in & Discover Select Saturdays, Oct. 2 - Dec. 11, 10 a.m. Head to the Luci and Ian Family Garden on select Saturdays for leaf art, tree talks and more! Drop-in & Discover is free with admission and appropriate for the whole family. Birthday Parties By reservation only Fortlandia runs October through January, which means there's no better time to have a birthday party at the Wildflower Center! Choose between staff-led and self-guided packages. Rates start at $350 and members receive a 10 percent discount.