Rose Show More than 500 roses, rose arrangements, plus an information table, sale of miniature rose bushes, sale of exhibited roses at the end of the show, presented by the West Jersey Rose Society; 1:30 to 6 p.m. Free. Moorestown Mall, Macy Court, State Highway 38 and Lenola Road, Moorestown. Information: 856-234-6583.
Sunday, June 7
Plant Sale Perennials, herbs, advice from plant expert George Petropoulis, part of "Arts in the Park," with craft show, live music, food, more, benefits High School Park native plant restoration; 10 a.m. to 5 p.m. Fee: $3; kids free. Rain date June 14. Montgomery Avenue and High School Road, Elkins Park; www.highschoolpark.org, 215-887-4882.
Bedminster Land Conservancy Garden Tour Tour of several gardens in Upper Bucks County, plant sale, raffles, more; 10 a.m. to 4 p.m. Fee: $20; $18 advance; ages under 12 free. Bedminster. Information: 215-795-2352, www.bedminsterlandconservancy.org.
Sustainable Garden Tour Tour of five environmentally focused gardens in the Lower Gwynedd area; 1 to 4 p.m. Fee: $25. Sponsored by the Wissahickon Valley Watershed Association, 12 Morris Rd., Ambler; 215-646-8866.
Tuesday, June 9
Compost Program with free compost bin, sponsored by Penn State Cooperative Extension, at 7 p.m. June 9 at Upper Merion Library, 175 W. Valley Forge Rd., King of Prussia. Free; registration required: 610-265-4805.
Wednesday, June 10
Vegetable Gardening Basic workshop with garden and compost experts; 6:30 to 8 p.m. Fee: $5 at the door. To register: 302-831-2506, firstname.lastname@example.org. New Castle County Cooperative Extension Office, 461 Wyoming Rd., Newark.
Thursday, June 11
At the Water's Edge Walk with estate gardener Tom Reber around the pond, learn about plants placed there, tour the redeveloped garden at Meadowbrook Farm; 10 a.m. to noon. Fee: $23; pre-registration required: 215-988-8869, email@example.com. Meadowbrook Farm, 1633 Washington Ln., Meadowbrook
Backyard Invasive Species program with Mario Cimino of the Pennsylvania Resources Council at the Old York Road Garden Club meeting; 12:30 p.m. Free. Grace Presbyterian Church, Old York and Vista Roads, Jenkintown. Information: 215-885-1779.
Composting Seminars Sponsored by Chester County Extension at 10 a.m. June 13 at New Garden Farmers Market, 8943 Newport Gap Pike, Avondale, and 10 a.m. June 20 at Brandywine Ace Hardware, 1150 Pocopson Rd., Westchester. Pre-registration payment deadlines: June 12 for June 13; June 18 for June 20. Fee: $20 family, includes free compost bin; pre-registration required with check payable to CHESCO. Mail to Chester County Extension, Government Services Building, 601 Westtown Rd., Rte. 370, West Chester, PA 19380-0990. Information: 610-696-3500, firstname.lastname@example.org.
Garden Tour Self-guided tour of nine gardens in the Downingtown area, sponsored by the Friends of the Downingtown Library, from noon to 4 p.m. June 14. Fee: $18; $15 advance. Tickets available at the Downingtown Library, circulation desk, 330 E. Lancaster Ave., Downingtown. Information: 610-269-2741.