Baskeball league registration, for Charles County boys and girls in grades 6-8. Practice begins March 11 for an eight-game season and playoffs. Cost: $90; $75 if registered by Feb. 16. www.charlescountyparks.com, 301-934-9305 or 301-870-3388, Ext. 5152.
American Sewing Guild meeting, the Southern Maryland “Itchin to Stitch” group welcomes guests. 11:30 a.m.-3:30 p.m. Charlotte Hall Library, 37600 New Market Rd. Free. 301-705-7586.
Open skate night, for all ages, sponsored by St. Mary’s County Department of Recreation and Parks. 6-9 p.m., Leonard Hall Recreation Center, 23145 Leonard Hall Dr., Leonardtown. $5; skate rental, $2.50. 301-475-4200, Ext. 1800.
Nature trail work day, volunteers will help rid the north side trail head of nonnative invasive plants. Take work gloves and loppers or clippers. 9 a.m.-noon. Meet at the American Chestnut Land Trust trailhead, 676 Double Oak Rd., Prince Frederick. 410-414-3400 or email@example.com.
Indoor flea market, sponsored by St. Mary’s County Fair Association. Vendors and crafters welcome. 8 a.m.-noon, 42455 Fairgrounds Rd. (off Route 5), Leonardtown. Table rental, $20. 301-475-9543.
“Environmental footprint” forum, a presentation on how communities benefit when corporations track and disclose their carbon, water and waste footprints. Sponsored by the League of Women Voters. 10 a.m. Leonardtown Library, 23250 Hollywood Rd. 301-475-2846, www.smc.lwvmd.org or www.stmalib.org.
Financial seminar, 10 a.m. Restoration Free Gospel Church, 19895 Three Notch Rd., Lexington Park. Free. www.restorationfgc.org or 301-863-4506.
Farming lecture series, a presentation on winter farming by the Accokeek Foundation’s Center for Agriculture and Environmental Stewardship. 11 a.m.-1 p.m. Even’ Star Organic Farm, 48322 Far Cry Rd. (just east of Three Notch Road), Lexington Park. $20. 301-283-2113 or www.accokeekfoundation.org.
Appraiser fair, a Washington Conservation Guild representative will give advice on preservation and storage of items that can be hand-carried to the event. 10 a.m.-3 p.m. St. Clement’s Island Museum, 38370 Point Breeze Rd., Coltons Point. $5 per appraisal. 301-769-2222 or www.stmarysmd.com.
Bluegrass concert, a performance by the Boxcars, with Jay Armsworthy and Charlie Thompson. Doors open at noon; show begins at 2 p.m. American Legion Post 238, 6265 Brandywine Rd., Hughesville. $15. www.americanlegionbluegrass.com or 301-274-3522.
Financial aid workshop, offered by the College of Southern Maryland for area students and parents who need help with applications for tuition at any institution for the upcoming academic year. Noon-2 p.m. and 2-4 p.m., La Plata campus, 8730 Mitchell Rd. Free. 301-934-7531 or firstname.lastname@example.org.
Monday morning movies, for children and their caregivers. 10-11 a.m., Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291 or 301-855-1862.
Historic house tours, tours of Point Farm, with guides sharing stories about the 1933 house and gardens. 10 a.m. and 1 p.m. Mondays, Jefferson Patterson Park and Museum, 10513 Mackall Rd., St. Leonard. Free. 410-586-8501 or www.jefpat.org.
La Plata blood drive, sponsored by the Sons of Squadron 82. 1-7 p.m., American Legion, 6330 N. Crain Hwy., La Plata. 301-934-8221. www.redcrossblood.org. Appointments recommended; walk-ins welcome.
Women’s health issues workshop, a presentation by Calvert County Health Officer Laurence Polsky, hosted by the Calvert County Commission for Women. 11:30 a.m.-1:30 p.m. Dream Weaver Cafe, 114 Solomons Island Rd., Prince Frederick. 410-535-5400 or Chair@CalvertWomen.org. Registration required.
“Winter Interlude” musical story time, songs, stories and poetic drama by Andrew McKnight. 7-8:30 p.m., Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291 or 301-855-1862.
Introductory computer class, the basics of e-mail. 2-4 p.m. Lexington Park Library, 21677 FDR Blvd. Free. 301-863-8188.
Civil War book discussion, “March,” by Geraldine Brooks. Part of a five-session “Making Sense of the Civil War” series, sponsored by the Maryland Humanities Council. 7-9 p.m. College of Southern Maryland, La Plata campus, 8730 Mitchell Rd. Free. 301-934-7606 or email@example.com.
“Kids Just Want to Have Fun,” for children in kindergarten through third grade, reading-related activities and projects. 2-3 p.m. Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291 or 301-855-1862.
Mail: Community Calendar,
Southern Maryland Local Living,
The Washington Post, 3 Church Cir., Annapolis, Md. 21401.