Tucson Botanical Gardens and Etherton Gallery are collaborating to bring the photography show Frida: Portraits by Nickolas Muray, to the Porter Hall Gallery. $13https://www.tucsonbotanical.org/event/frida-portraits-nickolas-muray/
This decades-old series features readings by well-known Tucson writers and an open mic for poets, performance artists and writers from 4 to 6 p.m., the first Sunday of every month except August. Call 490-2002 for more information.
Founded in 1692 by Padre Eusebio Kino, the "White Dove of the Desert" continues to serve the religious life of the surrounding Tohono O'odham community. It is open to the public from 7 a.m. to 5 p.m., daily; free. Free tours are on the half-hour from 9:30 a.m., through 12:30 p.m., Monday through Saturday, except during special religious observances. Traditional O'odham food and crafts are available year-round. Call or visit sanxaviermission.org for more information.
Customers of Tucson Electric Power Company or Trico Electric Co-op qualify for native shade trees to plant within 15 feet of their homes on the west, south or east side. Trees are $8 or $15 including delivery; several varieties are available. Call 791-3109, or visit tucsonaz.gov/tcb/tft for more information. TRICO Electric Cooperative members may request trees for $15 online at trico.coop, or call 744-2955, ext. 1605, for assistance.
The Southern Arizona Arabian Horse Association hosts an all-breed circuit show beginning at 9 a.m., the fourth Saturday of every month under the ramada; free spectator. Visit saaha.org for more information or to register a horse.
Docents guide tours of the center of some of the world's leading research about dendrochronology as it relates to the social and environmental sciences, from 10 a.m. to noon, the second Tuesday of every month; from noon to 2 p.m., the third Wednesday of every month; and from 2 to 4 p.m., the fourth Thursday of every month; excluding holidays; free. Visit ltrr.arizona.edu/docents for more information.
A spoken-word competition judged by the audience takes place at 7 p.m., the third Saturday of every month, following a poetry slam workshop at 5 p.m.; freewill donation. First-timers are especially welcome. Only original work may be spoken, but it may be in any style or language. Each event also includes a reading by a nationally known poet. Visit tucsonyouthpoetryslam.org for more information.
Tours of a re-creation on the original site of the Spanish-colonial-era walled plot that was part of Tucson's historic San Agustín Mission take place from 8 a.m. to noon, every Saturday. The garden features heirloom plants representing Tucson's 4,000-year agricultural history. Call 591-0478 for more information, or to schedule a tour at another time.