Events are free unless noted. Please email calendar submissions at least two weeks in advance to . (online via Zoom) Noon-1 p. m. Thursdays through March 9. Get tips on how to garden with less water, manage too much stormwater, how to provide a healthier habitat for birds, pollinating insects and more. Register at Online ordering Feb. 26-March 26. Select from 100 species of habitat-friendly native plants to be picked up April 21-22. Tualatin Hills Nature Center, 15655 S. W. Millikan Way, Beaverton; 9 a. m. March 1 and 19, and April 5 and 16. Meet at the Nature Center for a 1. 5- to 2. 5-hour walk. Tualatin Hills Nature Park, 15655 S. W. Millikan Way, Beaverton; March 1-May 6. This nine-week, hybrid course helps participants create a practical land management plan. $60; 10:30-11:30 a. m. second Thursday of the month. Learn about the garden’s history, new additions, heritage trees, seasonal plants, habitat restoration and more. $5; Leach Botanical Garden, 6704 S. E. 122nd Ave. ; 1-3 p. m. third Thursdays and Saturdays of the month. Learn techniques and concepts, and do a different project each month. $35 includes all materials; register at (online via Zoom) First Wednesday of the month through November. Take part in a 10-class series taught by permaculture expert Marisha Auerbach featuring seasonal information about planning, growing, maintaining and harvesting food from your garden. $185 for all 10 classes, $100 for a five-class series, or $25 per class; for more information visit or email ; register at 6-8 p. m. last Tuesday of the month; Jessie Mays Community Hall, 30975 N. W. Hillcrest St. , North Plains or online via Zoom; or email 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; 7 p. m. third Tuesday of the month except January, July, November and December. Discuss seasonal topics and learn from guest speakers. Western Seminary, Bueermann Hall, 5511 S. E. Hawthorne Blvd. ; 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; Various times. Gain knowledge on local birds, their basic needs and create a birdseed wreath using a grapevine and Northwest birdseed blend. $10; Al’s Garden and Home (Sherwood, Woodburn, Wilsonville, Gresham); register at 10 a. m. -noon. Learn how to prune grapes, small fruit bushes and other perennial plants. WCMGA Learning Garden at Jenkins Estate, 8005 S. W. Grabhorn Road, Beaverton; register at 10 a. m. -noon. The first of three classes, this session will address the biology, behavior and natural history of the mason bee. The other two classes in the series will be 10 a. m. -noon Saturday, March 11, and Saturday, Dec. 2. PCC Rock Creek Campus (Building 4, Room 103), 17705 N. W. Springville Road; 10 a. m. -noon. Join Master Gardeners to learn when to prune, how to choose which canes to cut and where to cut them. $10; 78th Street Heritage Farm, 1919 N. E. 78th Street, Vancouver; registration required at ; 11 a. m. -3 p. m. Trade your labeled seeds and get gardening information while having your tools sharpened. St. Bede Episcopal Church, 1609 Elm St. , Forest Grove; email or visit for more information 8:45 a. m. -1 p. m. Help plant hundreds of small native trees and shrubs. Orchard Heights Park, 1165 Orchard Heights Road N. W. , Salem; register at 10 a. m. -noon. Learn about planting, fertilizing, plant selection and care, including pruning techniques. PCC Rock Creek (Building 4, Room 103), 17705 N. W. Springville Road; (online via Zoom) 5:30-7:30 p. m. March 6, 13, 20 and 27. Join Master Gardener Angelina Lai for a four-night introductory series into the world of beekeeping. $35; register at ; email or call 564-397-5738 for more information (online via Zoom) 7-8 p. m. Join Carolina Piña Páez, Ph. D. candidate, Oregon State University Department of Botany and Plant Pathology, for a presentation on the association truffles have with trees and animals and their role in forest ecosystems, focusing on North American diversity. Registration required at (online via Zoom) 6-8 p. m. Learn to apply the aesthetic pruning approach to trees and shrubs in your garden, including how to assess, identify and develop a plan. $45; register at 10-11:30 a. m. Learn steps to help prepare your spring garden for successful vegetable growing. Nadaka Nature Park Community Garden, 17615 N. E. Glisan St. ; registration required at or 503-208-4651 10 a. m. -noon. Mason bee expert Ron Spendal will focus on environmental needs, nesting behaviors and housing devices attractive to mason bees. PCC Rock Creek (Building 4, Room 103), 17705 N. W. Springville Road; 12:30-1:30 p. m. This is an optional to the above March 9 course. $20; Gresham Japanese Garden, 124 S. Main Ave. ; register at 10 a. m. Speaker: Bowen Blair; The Portland Garden Club, 1132 S. W. Vista Ave. ; 9 a. m. -3 p. m. The Scholls Women’s Club will have fruit, flowering, ornamental and weeping trees available for purchase. Hoffman Farms Store, 22242 S. W. Scholls Ferry Road, Beaverton; 10 a. m. -noon. Receive guidance through the steps of a yearly plan, including fertilizing and pruning, and get advice on selecting the right rose cultivar for your garden. WCMGA Learning Garden at Jenkins Estate, 8005 S. W. Grabhorn Road, Beaverton; 11 a. m. -2 p. m. Celebrate the beginning of spring and recognize the impact and influence of Japanese culture on our state. State Capitol State Park, 900 Court St. N. E. , Salem; 6-7 p. m. Get a handle on those pesky weeds. Opens at 7:15 a. m. Take part in any of 68 classes covering forestry and tree growing topics. $65 per Clackamas County resident, $80 per out-of-county adult, $30 for ages 14-18 with adult; registration required at Clackamas County Community College, 19600 Molalla Ave. , Oregon City; 10 a. m. -noon. Master Gardeners Jack Berhardsen and John Moore will discuss how to help you save time, effort and money on your gardening adventure. Pacific Park Natural Demonstration Garden, 1515 N. E. 164th Ave. , Vancouver (enter from Northeast 172nd Avenue); email or call 564-397-5738 for more information 6-7 p. m. This webinar will introduce the principles of naturescaping or gardening with native plants. 9:30-11:30 a. m. or noon-2 p. m. Learn how to graft apple or pear trees using bench grafting techniques. $40 includes a tree to take home; Clackamas County Community College, Clairmont Hall (Room 117), 19600 Molalla Ave. , Oregon City; , 6-8 p. m. April 12, May 10 and May 22. Join a Weed Watcher Workshop and learn how you can help prevent the spread of invasive species. This workshop highlights Early Detection and Rapid Response (EDRR) weeds in the Tualatin River watershed. (online via Zoom) 6-8 p. m. Learn ways to bring your landscape back into a scaled composition. $45; register at 8 a. m. -3 p. m. Join Tualatin SWCD and West Multnomah Soil & Water Conservation District for multiple sessions on a variety of topics related to soil and soil health. $35; PCC Rock Creek, 17705 N. W. Springville Road; 12:30-1:30 p. m. This is an optional recap to the above April 13 course. $20; Gresham Japanese Garden, 124 S. Main Ave. ; register at 10 a. m. Speaker: Soho Sakai; The Portland Garden Club, 1132 S. W. Vista Ave. ; 9 a. m. -3 p. m. Enroll in this hands-on workshop with two instructors for an optimal learning experience. $100; Vanport International, 28590 S. E. Wally Road, Boring; register at 10 a. m. -2 p. m. Discuss the tools and techniques you’ll need to design your landscape and get help with creating your own design. Location TBD; -- Corey Sheldon Stay in the loop. Sign up and join the conversation at the.