Native plants:The South Coast chapter of the California Native Plant Society presents its 15th annual spring garden tour led by landscape consultants and designers Ric Dykzeul and Tony Baker. 9 a.m. and 1 p.m. $20 to $25. Reservations: (310) 629-0500, www.sccnps.org.
Poppy Day: Theodore Payne Foundation for Wildflowers and Native Plants hosts a celebration featuring plant discounts. 8:30 a.m. to 4:30 p.m. 10459 Tuxford St., Sun Valley. (818) 768-1802; www.theodorepayne.org.
Garden opens:Descanso Garden's newest permanent garden, Nature's Table, includes vegetables, fruit trees, herbs and other edible plants. 1418 Descanso Drive, La Cañada Flintridge. (818) 949-4200; www.descansogardens.org.
Sample sale:L.A. Mart Design Center opens to the public for savings of up to 70% off on furniture, rugs, lighting, art and home accessories. 10 a.m. to 5 p.m. Saturday; 11 a.m. to 4 p.m. Sunday. 1933 S. Broadway, L.A. $10. (213) 763-5800, www.lamartdesign.com
Martha Stewart: The lifestyle maven signs copies of her new book, "Martha Stewart's Encyclopedia of Crafts," and "Martha Stewart's Cooking School." 3 p.m. Borders, Northridge Fashion Center, 9301 Tampa Ave., Northridge. (818) 886-5443.
Pasadena Showcase:Twenty-five interior designers transform a 1917 Italian Renaissance Revival-style home on more than 2 acres in San Marino at the 2009 Pasadena Showcase House of Design. Entry hours: 9 a.m. to 3:45 p.m. Tuesdays, Saturdays and Sundays; 9 a.m. to 7:45 p.m. Wednesdays, Thursdays and Fridays. Through May 17. Not handicapped accessible. Children under 12 not admitted. Parking and shuttle service available at the Pasadena Rose Bowl. $30 to $40. (626) 578-8500, www.PasadenaShowcase.org.
Garden tour:The fourth annual Windsor Square-Hancock Park Historical Society Garden Party & Tour will include six private estate gardens. Noon to 5 p.m. Tour begins at Frances Blend school, 5210 Clinton St., Los Angeles. $50. (213) 243-8182; www.wshphs.org.
Hypertufa workshop:Learn to create a hypertufa planting pot with cement, peat moss and pearlite molded to resemble tufa, or crumbling granite. 10 a.m. to noon. Los Angeles County Arboretum & Botanic Garden, 301 N. Baldwin Ave., Arcadia. $25 to $30. Registration required: (626) 821-4623 or e-mail firstname.lastname@example.org.
Architects tour:The American Institute of Architects Los Angeles chapter hosts a self-guided tour devoted to renovations of traditional homes in Hancock Park. 11 a.m. to 4 p.m. $75. Tickets can be purchased at www.aialosangeles.org or at will call at 141 N. June St., Los Angeles.
Santa Monica tour:Santa Monica Bay Auxiliary of Childrens Hospital Los Angeles presents its 50th annual spring garden tour. 11 a.m. to 4 p.m., rain or shine. Tickets may be purchased at all six gardens: 204 S. Carmelina Ave., 536 Moreno Ave., 2323 La Mesa Drive, 224 22nd St., 565 15th St. and 920 Greentree Road. $30. www.chlagardentour.com.
Antiques show:The Los Angeles Antiques Show will feature more than 60 exhibitors, including top antique and fine art dealers from around the world, representing furniture, objects, paintings and decorative arts. Opening Night Preview Party will be held from 5 to 9 p.m. April 22; show runs 10 a.m. to 6 p.m. April 23 to 25; 10 a.m. to 5 p.m. April 26. Barker Hangar, Santa Monica Air Center. $15. www.psartsantiques.com.
Prefeb lecture:Leo Marmol, managing principal of the design/build firm Marmol Radziner & Associates, will lecture on "Prefab Housing: From Craftsman to Contemporary," as part of the Sidney D. Gamble Lecture Series presented by Friends of the Gamble House. 7:30 p.m. Art Center College of Design, Ahmanson Auditorium, 1700 Lida St., Pasadena. $15 to $25. (626) 793-3334, Ext. 52, www.gamblehouse.org.
Garden series:Landscape designer Judy Horton discusses how plants can be used to create spaces that speak to the local climate. Part of the "Thursday Garden Talks With Lili Singer" series. 9:30 a.m. to noon. Los Angeles County Arboretum & Botanic Garden, 301 N. Baldwin Ave., Arcadia. $20. Reservations: (626) 821-4623; www.arboretum.org.
Garden show: The 20th annual Southern California Spring Garden Show will feature more than 75 vendors. 10 a.m. to 9 p.m. April 23 and 24; 10 a.m. to 8 p.m. April 25; 11 a.m. to 6:30 p.m. April 26. South Coast Plaza, 3333 Bristol St., Costa Mesa. Free. www.springgardenshow.com
Santa Ana tour:The Floral Park Neighborhood, located in historic north Santa Ana, will host its 17th annual home and garden tour. 10 a.m. to 4 p.m. April 25 and 26. www.floral-park.com.
Poppy Festival: The California Poppy Festival celebrates spring blooms in the Antelope Valley. 10 a.m. to 6 p.m. April 25 and 26. Lancaster City Park, 43011 N. 10th St. West, Lancaster. $5 to $8. www.poppyfestival.com.
Bungalow tour:The self-guided 20th annual Bungalow Heaven Historic Home Tour will feature Arts & Crafts-era homes in Pasadena's first landmark district. 10 a.m. to 4 p.m. Tickets will be available at McDonald Park, at the intersection of Mar Vista Avenue and Mountain Street on the day of the tour. $20. (626) 585-2172, www.bungalowheaven.org.
Pacific Palisades tour: The self-guided Pacific Palisades Annual Spring Garden Tour & Plant Market will feature six Westside gardens. Noon to 4 p.m. $25 to $30. (310) 454-7826.
Montecito tour: The Women's Board of Community Arts Music Assn. presents its ninth annual Hidden Gardens Tour of five gardens in the gated community of Ennisbrook in Montecito. 1 to 4:30 p.m. $75. (805) 565-3936 or e-mail email@example.com receive an invitation.
Mar Vista tour:The self-guided Mar Vista Green Garden Showcase will feature more than 20 drought resistant landscapes. 2 to 6 p.m. Free. www.marvistagreengardenshowcase.com.
Open Days: The Garden Conservancy's Open Days tour of six private gardens in Altadena. 10 a.m. to 4 p.m. Admission to each garden is $5. No reservations are required. Tour begins at Nuccio's Nursery, 3555 Chaney Trail, Altadena. For maps and discounted admission tickets: (888) 842-2442, www.opendaysprogram.org.
La Cañada homes:Tour seven heritage properties during the self-driven La Crescenta-La Cañada historic home tour. Tour includes properties built from 1890 to 1956, in styles that include farmhouse, mountain retreat and midcentury modern. 10 a.m. to 3 p.m. Map pick up at Lanterman House, 4420 Encinas Drive, La Cañada Flintridge. $20. www.lantermanfoundation.org.
Ackermans: "Masters of Mid-Century California Modernism -- Evelyn Jerome Ackerman" includes more than 200 examples of ceramics, tile mosaics, wood carvings, textiles and other crafts from the Culver City couple. Through Jan. 10. $4 to $7. Mingei International Museum, Balboa Park, San Diego. (619) 239-0003; www.mingei.org.
Esque show:"Resurrected," an exhibition of handblown glass accessories and architectural details by designers Andi Kovel and Justin Parker of Esque Studio. Through May 12. Heath Ceramics, 7525 Beverly Blvd., Los Angeles. Free. Reservations: firstname.lastname@example.org or (323) 965-0800.
Japan show:"The Subtle Beauty of Japanese Craft" features metal, textile, wood and clay works from the Mingei International Museum's renowned collection of Japanese folk art, craft and design. 1439 El Prado in Balboa Park, San Diego. 10 a.m. to 4 p.m. Tuesdays through Sundays, through June 28. $4 to $7. (619) 239-0003, www.mingei.org.
Neutra tour: Richard and Dion Neutra's VDL Research House II, managed by Cal Poly Pomona's College of Environmental Design, will be open to the public 11 a.m. to 3 p.m. Saturdays. 2300 Silver Lake Blvd., Los Angeles. $10. www.neutravdl.org.
-- Lisa Boone
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