Bead and Boutique Art Show 10 a.m.-6 p.m. March 1-3, Hilton Concord, 1970 Diamond Blvd. Art, rare beads, jewelry supplies, vintage items, more. $10. 530-274-2222, www.beadandboutique.com.
Markham Nature Park and Arboretum plant sale 9 a.m.-1 p.m. March 16, 1201 La Vista Ave., Concord. Ornamental grasses, trees, shrubs, natives, vegetables, perennials, more. Free admission. 925-681-2968, www.markhamarboretum.org.
English tutors needed
Diablo Valley Literacy Council workshop, 9 a.m.-1 p.m. March 9; 6:30-8:30 p.m. March 12; 9 a.m.-1:30 p.m. March 16, Good Shepherd Lutheran Church, 4000 Clayton Road, Concord. Volunteers teach non-English speaking adults. $15 registration. 925-685-3881, dvlc.tripod.com; firstname.lastname@example.org.
Couples retirement planning workshop noon-2 p.m. March 3, 10, 17, Clayton Valley Presbyterian Church, 1578 Kirker Pass Road, Clayton. Covers retirement planning, concerns. Free. Registration: 925-287-8400, michaelginsberg.com.
Independent Living Resources housing rights workshop 1-3 p.m. March 13, 1850 Gateway Blvd., Concord. Guest speaker: Ora S. Prochovnic, JFK University. R.S.V.P.: 925-363-7293.
Clayton Historical Society's project overview/update covering Caldecott Tunnel's history, geology 7 p.m. March 6, Diamond Terrace, 6401 Center St., Clayton. Caldecott exhibit opens Clayton Museum, 6101 Main St. 925-672-0240, www.claytonhistory.org.
Annual Chili Cook-Off 10 a.m.-4 p.m. March 3, Clayton Club Saloon, 6096 Main St., Clayton. Prizes/awards for top three of 20 entries. Entry forms at Clayton Club. www.claytonclubsaloon.com or email@example.com, 925-998-0549.
Computer nuts and bolts 3:15-4:15 p.m. March 4-18, Concord Senior Center, 2727 Parkside Circle. Introduction to computer basics. $15. Register 925-671-3404, www.ConcordReg.org. Refer to course 91740.
Free emergency disaster services courses 9 a.m.-5 p.m. March 2, 9, The Salvation Army, 3950 Clayton Road, Concord. Free. For course information, registration, email ConcordCanteen@gmail.com.
Clayton holds free two-hour disaster preparedness seminar 7 p.m. March 13, Clayton Community Library, 6125 Clayton Road. Learn what to have on hand, escape plan, more. No registration required. ClaytonCERT@yahoo.com.
Getting on the air
Mt. Diablo Amateur Radio Club seminar 7-9 p.m. March 24, April 4, Salvation Army, 3950 Clayton Road, Concord. Develop on-the-air skills. Free, $5 material fee. Register HamRadioClass@gmail.com, 925-465-9554.
Sleep Train Foster Kids Pajama Drive through March 3. Drop off at Walnut Creek, Pleasant Hill stores. All sizes needed. www.sleeptrain.com.
Email firstname.lastname@example.org or fax 925-943-8362.