All About Honey Bees Learn about the role bees play in the environment, play a bee-themed game & sample some honey. Awbury Arboretum, One Awbury Rd. Registration required. 1/19.
Care & Reblooming of Flowering Holiday Plants Program on caring for plants typically given as gifts during the holidays. Waterloo Gardens, 200 N. Whitford Rd., Exton. Registration required: 610-363-0800. 1/19. 2 pm.
Floral Arranging: Winter Palette Create a unique fresh floral arrangement inspired by the winter season. Delaware Center for Horticulture, 1810 N. Dupont St., Wilmington; 302-658-6262. $45. 1/23. 5-7:30 pm.
Garden Class of Uwchlan Presentation on landscape design & deer-proofing gardens. Uwchlan Meeting House, 5 N. Village Ave., Exton. Reservations suggested: 610-942-7501. 1/24. 1 pm.
Guided Tour Tour of the arboretum's grounds. Swarthmore College - Scott Arboretum, 500 College Ave., Swarthmore; 610-328-8025. 1/19. 3-4:30 pm.
Houseplant Problems Seminar & Clinic Program on treating various types of houseplant ailments. Participants can also bring their sick plants in for diagnosis. Waterloo Gardens, 200 N. Whitford Rd., Exton. Registration required: 610-363-0800. 1/20. 2 pm.
Identification & Natural History of Plant Diseases Retired plant pathologist Bob Mulrooney will speak. Mount Cuba Center, 3120 Barley Mill Rd., Hockessin, Del. Registration required: 302-239-4244. $22. 1/24. 7-8:30 pm.
Landscape Design Symposium Conference exploring various aspects of the relationship between landscape design & science. Haverford College, 370 Lancaster Ave., Haverford. Registration required: http://www.morrisarboretum.org. $330; $200 students. 1/18.
Martin Luther King Day of Service Help clear out & clean Awbury's Secret Garden. Awbury Arboretum, One Awbury Rd. Registration suggested: firstname.lastname@example.org. 1/21. 10 am-1 pm.
Master Gardeners of Camden County Wednesday Walk-Ins Weekly opportunity to visit the Master Gardeners office. Rutgers Cooperative Extension of Camden County, 1301 Park Blvd., Cherry Hill. 1/23.
Mushroom Logs Class on using mushroom logs to grow your own shiitakes. Delaware Center for Horticulture, 1810 N. Dupont St., Wilmington; 302-658-6262. $45. 1/21. 5-7:30 pm.
Nativelicious: Gardening With Edible & Ornamental Native Plants Class on ornamental native plants that produce fruits, nuts, or berries. Bowman's Hill Wildflower Preserve, 1635 River Rd., New Hope; Registration suggested: 215-862-2924. $12. 1/20. 2-3 pm.
PHS at 185: Gardening, Greening & Learning Since 1827 Exhibit on the history of the Pennsylvania Horticultural Society. Pennsylvania Horticultural Society, 100 N. 20th St.; 215-988-1611. 1/22.
Small Flowering Trees Mini-Series Series of lectures & a lab program focusing on the characteristics of various small flowering trees. University of Delaware Botanic Gardens, 531 S. College Ave., Newark. Registration required: 302-831-2531. $35. 1/19.
Tree Tenders for Lunch Series Tree education talks on subjects like tree biology, identification & maintenance. Pennsylvania Horticultural Society, 100 N. 20th St. Registration required. $5. 1/24.
VFARS Lecture: Hybridizing Evergreen Azaleas Azalea hybridizer Joseph Klimavicz discusses his work. Jenkins Arboretum, 631 Berwyn Baptist Rd., Devon. 1/20. 2 pm.
Send information about gardening and horticultural events to email@example.com. Include a contact phone number and send at least two weeks before the event.