Season for irises
The irises have returned and the Russian River Rose Co. is awash in these showy bulbs. The Healdsburg nursery will offer special tours of their show gardens on April 15, with special attention paid to the best among their 150 varieties of iris and their early-blooming roses. 2 p.m. $2 donation. 1685 Magnolia Drive, Healdsburg, 707-433-7455 or russian-river-rose.com.
Orchids bare naked
There is much to learn about your orchid when it is bare naked.
Debra Atwood, a Napa Valley orchid consultant, will strip six to 10 of her own plants to show how you can better understand these amazing plants during a free talk Tuesday, April 11, before the Sonoma County Orchid Society.
Atwood will show how to read orchid roots and overall plant health, as well as how to calculate your best moves when choosing potting medium fertilizer, watering techniq=ues and placement — all by examining a bare plant. The meeting is from 7 p.m. -9 p.m. and open to non-members. Held at the Santa Rosa Veterans Building, 1351 Maple Ave., Santa Rosa. For information visit sonomaorchids.com.
SF Flower & Garden Show
The San Francisco Flower & Garden Show wraps up this weekend, April 7-9, with elaborate show gardens, demonstrations, a butterfly forest, a plant market and more than 80 seminars covering everything from seed saving and building a beehive, to harvest preservation and creating orchid gift baskets.
Highlights include an urban homestead complete with livestock, a permaculture garden featuring gray water, aquaponics and other sustainable growing feature, a marketplace filled with vendors offering new tools and gardening gear and a series of Make and Take Stations where showgoers can experience making sauerkraut and homes for native bees.
Hours are 10 a.m. to 7 p.m. Wednesday through Saturday and 10 a.m. to 6 p.m. Sunday. Admission is $22 for one day, $20 for seniors.
Free to children under 17. San Mateo County Event Center, 1346 Saratoga Drive, San Mateo. For information, visit sfgardenshow.com.
Workshop on growing dahlias
Learn how to grow dazzling dahlias for flower beds, borders and cutting gardens during a free workshop April 8 at the Sebastopol Library. Master Gardener Jim Lang, who has grown several thousand dahlias as well as exhibited and judged them, will share what he knows from 10:30 a.m. to 12:30 p.m. 7140 Bodega Ave., Santa Rosa.
Special tour at Wildwood Nursery
Wildwood Nursery’s Second Saturday series of special events continues April 8 with a special educational tour of the mini-gardens and plantings incorporated within the nursery.
The tour will include a discussion of companion plants for native oaks and Mediterranean trees and examples of natives and non-natives that co-exist and complement each other.
The 2 p.m. tour will also include a discussion of the differences in the growth habits of container plantings and plants in the landscape.
Free. 10300 Highway 12, Kenwood. 707-833-1161 or firstname.lastname@example.org.
SONOMA AND PETALUMA
Learn about irrigation
When people start talking irrigation it can sound like a different language. Learn to decode it at free workshops in Sonoma and Petaluma.