Oct. 2 — UC Davis Botanical Conservatory Presale. 10 a.m.-1 p.m., parking Lot 27, adjacent to the conservatory near the east end of Kleiber Hall Drive. Presented by the Davis Botanical Society.

Oct. 3 — UC Davis Arboretum’s 35th annual Plant Faire, with music and children’s activities. Presented by Friends of the UC Davis Arboretum and the Davis Botanical Society. Members-only sale, 9-11 a.m.; and public sale, 11 a.m.-1 p.m. Not a member? You can join at the gate, and thereby gain access to the members-only sale. Members receive a 10 percent discount, and every new member receives a free plant.

Oct. 17 — UC Davis Arboretum Plant Sale and Warren Roberts Retirement Reception. 9 a.m.–1 p.m., featuring a group of “Warren’s Favorites,” great for home landscapes, with the plants selected by the arboretum superintendent, who is retiring after 37 years with the arboretum. Members receive a 10 percent discount; every new member receives a free plant.

The arboretum sales take place at the Arboretum Teaching Nursery on Garrod Drive south of La Rue Road. The nursery is just beyond the Unitrans bus yard and across from the School of Veterinary Medicine. Parking is free.