Wednesday, May 16

Potted-gardens workshop for adults, with garden designer Michael Bowell; 10 to 11:30 a.m. Fee: $15, includes window-box plantings; pre-registration required. Camden Children's Garden, 3 Riverside Dr., Camden; 856-365-8733; www.camdenchildrensgarden.org.

Flowering-houseplants workshop, with horticultural therapist Mona Gold; 7 to 8 p.m. Free; pre-registration required. Free Library of Philadelphia, Fox Chase Branch, 501 Rhawn St.; 215-988-8872.

Up ahead

Composting workshop, sponsored by Penn State Extension Philadelphia County, 10:30 a.m. to noon May 19. Free (free compost bins while supplies last); pre-registration required. Awbury Arboretum Association, Francis Cope House, 1 Awbury Rd., between Washington Lane and Haines Street; 215-471-2200.

Container-gardening classes on the following topics: inexpensive containers, colors and textures for container plantings, vertical containers, aquatic plants, trough gardens. One-hour classes, 8:30 a.m. to 2 p.m. June 2. Fee: $29; $49 for 2; $79 for 3; $99 for 4. Longwood Gardens (Visitor Center Auditorium), Route 1, Kennett Square; 610-388-1000, Ext. 559.

Plant sales

Martha Washington Garden Club, at 1808 Yardley Rd., Yardley; 215-337-9484. Free. Perennials, annuals, plants from members' gardens, plus bake sale; 9:30 a.m. to 5:30 p.m. today and 9 a.m. to 4 p.m. tomorrow.

Swarthmore Garden Club, at Swarthmore Borough Hall, 121 Park Ave., Swarthmore; 610-544-8733.Free. Herbs, begonias, coleus, tomatoes, dried herbs; 8:30 a.m. to 12:30 p.m. tomorrow.

Friends of Fox Chase Farm, along Pine Road near Fox Chase Farm (8500 Pine Rd.); 215-685-0470. Free. Vegetables, herbs, flowering annuals, perennials from members' gardens; 9 a.m. to 3 p.m. tomorrow.

Haddonfield Garden Club, at Kings Court, Kings Highway, Haddonfield; 856-216-7253; www.haddonfieldgardenclub.org. Free. Herbs, perennials, Mother's Day cut flowers and baskets; 9 a.m. to 4 p.m. tomorrow.

Brandywine Conservancy, Brandywine River Museum, Routes 1 and 100, Chadds Ford; 610-388-2700. Free. Wildflowers, native plants, seeds; 9:30 a.m. to 4:30 p.m. tomorrow and Sunday.

Morris Arboretum and the American Rhododendron Society, Greater Philadelphia Chapter, at Bloomfield Farm, Northwestern Avenue (across from the arboretum entrance); 215-247-5777, www.morrisarboretum.org. Free. Unusual trees, shrubs, annuals, perennials, plus rhododendron and azalea sale and cut-flower competition; 10 a.m. to 4 p.m. tomorrow and noon to 4 p.m. Sunday.

Bowman's Hill Wildflower Preserve, River Road (Route 32), New Hope; 215-862-2924; www.bhwp.org. Nursery-propagated wildflowers, vines, ferns, shrubs, trees; 10 a.m. to 4 p.m. tomorrow and Sunday and May 19 and 20.

- Jerene Schroeder

Submit items for "Garden Calendar" three weeks in advance to jschroeder@phillynews.com or at The Inquirer, Box 8263, Philadelphia 19101. Include a contact person, address and phone number.