The WSU Extension Clark County Master Gardener program is offering a driving tour of regional gardens from 8:30 to 4:30 p.m. June 26. The tour includes Rogerson Clematis Garden at Lusher Farm in West Linn, Ore. Participants will tour of the gardens and greenhouse, explore the farm and purchase plants. Lunch is a Dub’s Tavern in Tualatin. The second destination is Elk Rock Garden at Bishop’s Close and Lady McDonald’s Garden located three doors down, in the Dunthorpe area of Portland, to see rare trees and plants. Meet at Enterprise Rent-a-Car, 9319 N.E. Highway 99, Vancouver. The tour departs at 8:30 a.m. sharp. The cost is $35. Register at eventbrite.com/e/on-the-road-tour-blooming-clematis-and-historic-gardens-tickets-895569280827. For more information, email erika.d.johnson@wsu.edu or call 564-397-5738.