All aspects of establishing a permaculture orchard are covered as participants plant 14 trees, including heirloom varieties, from 10 a.m. to 4:30 p.m., Saturday, Feb. 19. $75 includes lunch; work exchange is available. The site is off Stevens Canyon Road, near Highway 82, just north of Patagonia. Space is limited to 20. Call (520) 394-9088, or e-mail firstname.lastname@example.org to RSVP. Visit katirion.com or somoslasemilla.org for more information.