Whether you have been a gardener for two days or twenty years, mistakes in the garden are sometimes inevitable. There are some mistakes, however which can easily be avoided. Come and learn how to avoid some common ones this gardening season at this Garden Basics class on Thursday May 3, at 6:30 PM at the Mahaska County Extension and Outreach Office; 212 North I Street, Oskaloosa. For more information about this or other horticulture programs, call the MCEO at 641-673-5841 or email Suzette Striegel, Mahaska County Extension Horticulturist at striegel@iastate.edu.