TODAY
Armstrong Garden Centers: "Selecting the Right Roses for Your Garden," 9 a.m. Free. Locations include: 5816 San Fernando Road, Glendale (818-243-4227); 12920 Magnolia Blvd., Sherman Oaks (818-761-1522); 50 Taylor Court, Thousand Oaks (805-497-9223). www.armstronggarden.com
California Native Plant Society plant sale: 10 a.