When: Third Thursday of every month. Continues through May 31 2011
Two tours of the gardens take place on the third Thursday of every month, September through May. 10 a.m.: A historic tour focuses on the significance of the property and the family that once lived there. 11 a.m.: A 45-minute tour identifies local butterflies and explores the plants and gardening practices that attract them to a home landscape. Free with admission: $8 adult; $4 child age 4 to 12; free child younger than 4 and members. Call or visit tucsonbotanical.org for more information.