PRACTICE GRAFTING TECHNIQUES ... James Kern, a landscape contractor, Foothill College teacher and member of the California Rare Fruit Growers Association, will teach a class on "Grafting" on Saturday, April 10, from 10:30 a.m. to 12:30 p.m. at Common Ground Educational Center, 559 College Ave., Palo Alto. Several kinds of grafting wood, or scionwood, will be available to "build" your own fruit tree. Cost is $35. Information: 650-493-6072 or www.commongroundinpaloalto.org or http://grafting.eventbrite.com
TREE WALK ... Arborist Barrie Coate will lead a free Gamble Garden Spring Bloom Walk on Saturday, April 10, 10 a.m. to noon. The walk starts at the Carriage House at 1431 Waverley St., Palo Alto. Information: email@example.com or www.canopy.org.
ARRANGING ROSES ... Barbara Gordon will demonstrate how to make rose arrangements at the next meeting of the Peninsula Rose Society on Wednesday, April 14, at 7:30 p.m. The group meets at the Veterans Memorial Senior Center, 1455 Madison Ave., Redwood City. Information: www.peninsularosesociety.org or 650-857-9380.
PLANT SALE ... The De Anza Chapter, American Rhododendron Society, will hold its annual Rhododendron Plant Sale on Saturday, April 17, from 9 a.m. to 1 p.m. at the corner of Main and State streets, Los Altos. Last year several hundred plants, including Maddenii series rhododendrons not available at most local nurseries, went early. Information: www.deanza-ars.com.
SPRING GARDEN MARKET ... Looking for the latest in tomatoes? UC Master Gardeners will hold its 16th annual Spring Garden Market on Saturday, April 10, from 9 a.m. to 2 p.m. at History San Jose, 1650 Senter Road, San Jose. Besides thousands of heirloom tomato and pepper plants, new this year are beans, melons and eggplants, plus herbs and flowers. Information: http://mastergardeners.org/sgm.
GREEN INTERIOR DESIGN ... Kirsten Flynn, who owns the design firm Sustainable Home, will teach a class on "Green Interior Design — the Nuts and Bolts" on Wednesdays, April 21 and 28, from 7 to 9 p.m. at Palo Alto High School, Room 306, 50 Embarcadero Road, Palo Alto. The class addresses building and design materials and offers a hands-on opportunity to assess them. Cost is $40. Information: 650-329-3752 or www.paadultschool.org.