Events are free unless noted. Please email calendar submissions at least three weeks in advance to events@oregonian.com.
ONGOING
Walk With a Friend at Tualatin Hills Nature Park: 9 a.m. first Wednesday and third Sunday of the month. Take a guided walk and learn about the plants, wildlife and history of the park. Tualatin Hills Nature Park, 15655 S.W. Millikan Way, Beaverton; thprd.org.
East Multnomah Soil & Water Conservation District free webinars: Discover how to care for land in ways that benefit people, water and wildlife. From stormwater solutions to biochar to water conservation, these workshops will help you save time, money and energy. Register at emswcd.org/workshops-and-events/upcoming-workshops.
Greater Portland Iris Society meeting: 7 p.m. first Tuesday of the month in March, April, September, October and November. Enjoy discussions of irises with guest speakers. Ainsworth House, 19130 Lot Whitcomb Drive, Oregon City; greaterportlandirissociety.org.
Happy Valley Garden Club monthly meeting: 9 a.m.-noon second Tuesday of the month. Happy Valley Baptist Church, 14095 S.E. King Road, Happy Valley.
Ikebana for Every Season: 1-2:30 p.m. second Tuesday of the month; $45. Become knowledgeable about basic concepts, techniques, tools, equipment and care for ikebana. The Resource Center, 219 S. Main Ave., Gresham; GreshamJapaneseGarden.org.
Portland Dahlia Society monthly meeting: 7 p.m. second Tuesday of the month February through November. Take part in a discussion of seasonal topics. Oaks Park Dance Pavilion, 7805 S.E. Oaks Park Way; portlanddahlia.com.
Estacada Garden Club monthly meeting: 1-3 p.m. second Thursday of the month. Estacada Public Library, 825 N.W. Wade St.
SATURDAY, DEC. 2
Deciduous Tree and Shrub Identification: 9 a.m.-noon. Discuss features of plant families and locally grown genera and species of plants, plus enjoy a stroll while looking at deciduous shrubs and trees and how they’re used in landscapes. $20 registration at bit.ly/horteventbrite; Clackamas Community College, 19600 Molalla Ave., Oregon City; email lorettam@clackamas.edu for more information.
Mason Bee Cocoon Cleaning: 10 a.m.-noon. Learn how to extract, clean and store mason bees in this hands-on workshop. PCC Rock Creek (Building 4, Rooms 103 and 104), 17705 N.W. Springville Road; washingtoncountymastergardeners.org.
Leach Botanical Garden Winter Fest & Wreath Sale: 10 a.m.-3 p.m. Enjoy garden activities, a nature walk and hot beverages by the fireside while perusing handmade holiday wreaths. Leach Botanical Garden, 6704 S.E. 122nd Ave.; leachgarden.org.
Holly Walk and Create: 10:30 a.m.-12:30 p.m. $25 registration and more information at hoytarboretum.org; Hoyt Arboretum, 4000 S.W. Fairview Blvd.
Wine and Wreaths Workshop: 3-5:30 p.m. Create a fresh wreath using holiday foliage, berries and other natural accents. $100 includes all materials; Cornell Farm Nursery & Cafe, 8212 S.W. Barnes Road; CornellFarms.com/2023wreaths.
TUESDAY, DEC. 5
What Grows Here? Exploring Oregon’s Plant Diversity: (online via Zoom) 7-8 p.m. Discover the why and where of plant diversity in our state. Registration required at washingtoncountymastergardeners.org.
THURSDAY, DEC. 7
Fundamentals of Pruning: (online via Zoom) 6-8 p.m. Discover how to make cuts and shape plants, why we prune, what tools should be used and learn basic plant biology. $20; greshamjapanesegarden.org.
SATURDAY, DEC. 16
Hope for a Happy Planet: One Day, One Backyard at a Time: 10 a.m.-noon. Former teachers and environmental advocates will explain the origins of our local soils and discuss current environmental challenges, offering more than 100 suggestions for benefitting the planet. $15; CASEE Center (Building B, Room 205), 11104 N.E. 149th St., Brush Prairie, Washington; email info@naturescaping.org, marlene52ns@gmail.com, or call 360-737-1160 to register.
TUESDAY, JAN. 2
Growing Peppers and Tomatoes From Seed in the PNW: (online via Zoom) 7-8 p.m. Douglas County Master Gardener Bruce Gravens will discuss tomato and pepper seeding, up-potting, soil preparation, planting, sun protection, harvest and storage. Registration required at washingtoncountymastergardeners.org.
SATURDAY, JAN. 6
Mason Bees 101: 10 a.m.-noon. This class addresses the identification and natural history of the mason bee. Gain an understanding of their characteristics and activities and why they are one of the earliest and best pollinators in the Pacific Northwest. PCC Rock Creek Campus (Building 4, Room 103), 17705 N.W. Springville Road; washingtoncountymastergardeners.org.
All-day Hands-on Pruning Workshop: 10 a.m.-4 p.m.; $100; Vanport International Japanese Garden, 28590 S.E. Wally Road, Boring; greshamjapanesegarden.org.
FRIDAY, JAN. 19
Good Earth Home, Garden & Living Show: 5-9 p.m. Jan. 19, 10 a.m.-8 p.m. Jan. 20 and 10 a.m.-5 p.m. Jan. 21. Shop 220 sustainable exhibits, meet experts and contractors, and learn at 65 sustainable seminars. $5, or free with food donation; Lane Events Center, 796 W. 13th Ave., Eugene; EugeneHomeShow.com.
THURSDAY, FEB. 8
Fundamentals of Conifers: (online via Zoom) 6-8 p.m. Learn fundamental pruning techniques for conifers including pines, spruce and hinoki and how to interpret cultivars. $20; greshamjapanesegarden.org.
FRIDAY, MARCH 8
Lane County Home & Garden Show: Noon-9 p.m. March 8, 10 a.m.-8 p.m. March 9 and 10 a.m.-5 p.m. March 10. Explore and shop more than 300 exhibits featuring builders, remodelers, contractors and landscapers. $5, or free with food donation; Lane Events Center, 796 W. 13th Ave., Eugene; EugeneHomeShow.com.
SATURDAY, MAY 18
Spring Maintenance on Pines: Noon-2 p.m. Learn the Niwa Method of candling and needling to maintain cloud-prune aesthetics and keep a manageable size and aesthetic focal point of your pines in a landscape. $45; Gresham Japanese Garden, 219 S. Main Ave., Gresham; greshamjapanesegarden.org.
SATURDAY, JUNE 22
Pruning Lace-leaf Maples for Character: 12:30-2:30 p.m. Discover the fundamentals of pruning as they pertain to lace-leaf maples and listen to a short lecture on basic botany and growth habits. $45; Gresham Japanese Garden, 219 S. Main Ave., Gresham; greshamjapanesegarden.org.
-- Corey Sheldon
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