Petaluma Sheet Mulching & Rain Garden Workshop: 1107 F St. Sat. 10-early afternoon. Join us for a sheet-mulching demonstration where we'll transform a lawn into a veggie garden and plant California natives. We'll get you prepped to catalyze your own lawn transformations and demonstrate how to use Rain Gardens and water-harvesting earthworks to increase water storage capacity at your home site.

Petaluma City Hall: 11 English St. Sun 11- 4pm. Join us as we move waterwise gardening to the forefront of public life while getting hands-on practice on sheet mulching this this 2,500 square foot section of lawn at Petaluma City Hall. We'll need a lot of volunteers!

Oasis Community Garden & Cob Building: 280 Skillman Ln. All Day Sat & Sun.

At this beautiful garden of Wayne and Connie, owners of the Jungle Vibes toy store, we will be building a cob oven and bench this weekend to be used to bake pizzas and other veggies grown in the garden!  We will be learning how to build a bench and oven using earth right on site.  It will cover insulating the oven, making adobe bricks, basic earthen sculpting, earthen plastering, foundations, and waterproofing. It is also a workshop to make a scarecrow.

Petaluma Bounty's Arroyo Community Garden: 901 Ely Blvd. South. Sat All Day, 9-5pm. Garden work day to distribute mulch in garden, orchard and between beds, fill raised beds with compost soil mixture, finish building garden beds. Partnership of Petaluma neighborhood community, Petaluma Bounty and Living Word Lutheran Church. Wear sturdy foot wear, bring water and snacks, hat and sunscreen. Garden plots are available for planting, application available at garden site day of event, May 15.

Edible Yardworks Demo Garden: Petaluma Bounty Farm: 55 Shasta Avenue in Petaluma. Sun, 12-3 pm. The Edible Yardworks demonstration garden at the Petaluma Bounty Farm demonstrates various backyard edible gardening techniques and will be expanded through the 350 gardens challenge to include some food for COTS homeless shelter. Picnic lunch at 12:30pm followed by a workshop on edible gardening techniques including swaling and mulching for growing food with optimal water conservation. Edible Yardworks offers classes on-site and also includes instruction on how to cook seasonally and locally in a flexible way using from your back yard. 

St. James Community Church: 125 Sonoma Mountain Prkwy (corner of Washington). Sat & and Sun 10-3. 1/4 acre garden plot where we will sow seeds, start seedlings for summer veggies, amend, level, & plant garden beds & rows.  We have tools...but could always use an extra wheelbarrow.  There will be lots to do so as many volunteers are welcome.

Cotati Community Garden: E Cotati Ave at Lasalle (nestled in parking lot between 421 and 475 E Cotati Ave.) Sat & Sun 8-12pm. We will be revitalizing this garden, creating new plots, sheet mulching and pruning in the orchard, painting the shed, and laying a new path of wood chips. Bagels, fruit and coffee will be available from 8 am when we will start laying cardboard for the sheet mulching. Possible midmorning yoga. We will wrap up the day with a potluck picnic. Bring something to share!  Also, bring seeds and starts to share with your neighbors --and bring gloves and wheelbarrows to move the mountains of compost and mulch!

The Neighborhood Farm: Holy Family Episcopal Church,1500 E. Cotati Avenue (corner Snyder). Sat 9:30 am- afternoon. A new community garden open for plant bed adoptions now! 10' by 12'. Installing irrigation, mulching paths. Looking for people willing to dig irrigation trenches, sheet mulch, weed onions (planted for the food pantry NOAH). Need more tools: pick axes, shovels, rakes, wheel barrows, cardboard. RSVP to 707-795-7500.

Thomas Page Elementary School Garden: Madrone Ave. Sat & Sun 8-12pm.

An Educational Garden For Children, Teachers and Families of Thomas Page Elementary School. 

Cross & Crown Lutheran School & Church: 5475 Snyder Lane. Sat 9-1pm.

17-bed garden on 64 x 80 fenced area.  All beds contribute fresh fruits and vegetables to NOAH, Rohnert Park’s food bank. Growing tomatoes, broccoli, chard, spinach, peas, lettuce, leeks, chives, onions, radishes, grapes and apples. Received Community School Garden award in 2007.

Santa Rosa Community Market Installation: 1899 Mendocino Avenue. Sun, 9-1pm.  Join us as we plant container gardens to benefit FISH (Friends in Service Here), a local food pantry in the Santa Rosa Junior College neighborhood. Volunteers welcome. 

Sonoma County Board of Supervisors Mini Food Forest Demo Garden: 575 Administration Dr. Sun 11-1pm. Join us for an educational installation of a mini food forest demo container garden outside the office of the Sonoma County Board of Supervisors - a location of important civic significance as the seat of County government and a place of frequent visits from community leaders and the public. County employees and other interested partners will help maintain and harvest the mini food forest. The garden will be installed near the sidewalk along the east side (by Ventura Avenue) of 575 Administration Drive. You may park along the street or in the non-reserved spots in the lot on Ventura Avenue.

Apple Valley Youth Garden: 2858 Apple Valley Lane. Sat, 10-2 pm. Apple Valley Youth Garden was established by Santa Rosa Parks and Rec. for local youth as a project for the community.  It has been abandoned for a number of years and is being restablished in conjunction with Burbank Housing and Redwood Food Empire as part of their children's lunch program. Food grown there will also be distributed amongst members of the Apple Valley community. 

Cielo Azul: 301 Fulton Rd. Sat, 8 am - 4 pm, Sun 12-3pm. Volunteers are needed for mowing the high grass, help finish the fence, setting up the irrigation system, moving and organizing plants and materials.  

TLC Garden Project: Thanksgiving Lutheran Church, 1225 Fulton Ave at West College. Sun 4-6pm. Begun in 2007, TLC Garden Project now has 31 plots tended by 15 gardeners. We grow for our households, and share our surplus with several food pantries in Santa Rosa and West County. Our challenge is to move and improve "the berm," a raised area running the length of our garden, for eventual planting as a waterwise commons for berries, pollinator attractants, etc.

Santa Rosa Charter School: Sat, 10 am - 2 pm. Comstock's Campus, 2760 W. Steele between Coffee & Marlow. When you drive onto the campus, you will pass Comstock's entrance and continue around the back of the school. There will be a long parking area running E.to W. the garden is at the far West end on the left next to the tennis courts. 

350 Garden Challenge Community Celebration:  5-8pm  Julliard Park, 227 Santa Rosa Ave, Santa Rosa.  Come celebrate the success of the 350 Garden Challenge with live music, community potluck, and garden friends. Hear reports on final numbers and inspiring projects. Bring your own plate and utensils and a potluck dish to share!

Burbank Heights Community Garden: 7777 Bodega Ave. Sun 10-3pm. Help our seniors in their community garden, build raised beds, weed, move compost and help their garden get ready for summer.

Skate Park Community Garden Mushrooms & Mulching: Sat 9-2pm. Laguna Park Way (just down from the movie theater). Mushroom inoculation workshop at 9 am, Sheet mulching class at 10 am, followed by hands-on.

Mushrooms & Living Roofs: Skate Park Community Garden, Laguna Park Way. 

Learn about mushrooms and living roofs.

Amazon Graywater & Rain Water Catchment Workshop: 4488 Stoetz Ln. Sat 1-4 pm. A graywater system has been installed using an Australian filtration device (Aqua2Use), providing water for the rose garden and grassy area in the front yard and a flower garden down by the curb, as well as rainwater system and garden in the back. Learn about graywater and rain water catchment systems and opportunities through this tour and hands-on workshop. www.aprainwaterharvesting.com

Drip Irrigation Class: Sebastopol Hardware, 660 Hwy 116 N, 10-2pm. 

Pine Crest School Garden: 7285 Hayden Ave. Sat 9-1pm. Help instal the new Pine Crest School garden!

Earth Camp Heritage Plants & Traditional Skills Garden: Laguna Farms - 1764 Cooper Rd. sat 9-5 pm (1pm lunch). Come plant a native fiber, medicinal, and food crops for Earth Camp kids!

Freestone Fermentation Festival: Salmon Creek School, 1935 Bohemian Hwy,( 2 miles north of Freestone. Sat 12-5pm

350 Garden Challenge Hub: St. Stephen’s Episcopal Church, 500 Robinson Rd.  10–3pm. Come see what  happening for the weekend, get extra plants, cardboard for sheet mulching, talk to garden experts. 

Natural Building Workshop: Skate Park Community Garden, Laguna Park Way. Sun. 1-5 pm

Community Seed Garden: 500 Robinson Way, 10-3pm. 

Help start the new Community Seed Garden sponsored by the West County Community Seed Bank at St. Steven’s Episcopal Church.

Nelson Way Garden Block Party! 208 Nelson Way. Sun 9-5 pm. 

Help Permaculture Artisans install several new gardens on Nelson way, tour the Permaculture Neighborhood Center at 2pm for inspiration to transform your yard into a food oasis. Music, food, & fun!

350 Community Celebration: Julliard Park, 227 Santa Rosa Ave, 5-8pm. 

Come celebrate the success of the 350 Garden Challenge with live music, community potluck, and garden friends.  Here reports on final numbers and inspiring projects. Bring your own plate and utensils and a potluck dish.

Drip Irrigation Workshop:  Living Color Nursery, 294 Windsor River Rd. Sat 10- 12pm. 

Come learn about drip irrigation with Robert Kourik, author of many renowned gardening books including Drip Irrigation for Every Landscape, Designing and Maintaining,Your Edible Landscape Naturally, Roots Demystified, and more. 

Town Green Community Garden: 9291 Old Redwood Hwy (Next to Windsor Civic Center).  Sat 8-3 pm. 

This garden is operating by the Windsor Garden Club in conjunction with the Town of Windsor. Any volunteers working at the site should be sure to complete the Town of Windsor waiver forms (available at our garden shed) before beginning any volunteer work at this location.

Tiana Gjerman's: 6354 Starr Rd. Sat 1-3 pm. 

Vegetable starts/seeding of planter boxes. 

Mandala Keyhole Garden: 1281 Woody Creek Ln. Sat 3-6 pm. 

Meet at Jacques and Jodi Ropert's for the Mandala keyhole garden prep/irrigation/planting

Grey Water at Golden Nectar Farm: 6364 Starr Rd. Sun, 9-12pm. 

Join us at Golden Nectar Farm for a laundry to landscape graywater installation and tree planting.

Graton Community Projects Garden: Sun 7am- 3pm. (Open field between Bowen and S. Edison behind Underwood). Begin the day at the Fireman's Breakfast with display of fire fighting equipment and a helicopter fly-in! Following that will be a series or informational hands-on workshops including: Salsa Barrels - hands-on; Place Making - a planning concept for gardens; Time Banking - a tool for community participation; Sheet Mulching - soil building technique; Garden Beds, Crop Covers, & Critters. Graton Community Garden will hacve plots for individual use, family and hopefully a common sweet corn field, and melon patch.

Healdsburg Foss Creek Community Center Public Garden: 1557 Healdsburg Ave,  Sat, 8-2 pm.

Food Pantry Salsa Barrels: 1505 Healdsburg Ave, Healdsburg Food Pantry, Fri 2 -5 pm.

Cloverdale Community Garden: 205 N. Cloverdale Blvd. (across from Antiques & Uniques). Sat & Sun 8 am - late afternoon. 

The Cloverdale event will clean up the site of our SIXTH community garden. The public is invited to show up early (8am) with sun hat, gloves, work shoes, and water. Heavy rakes, wheelbarrows, and plastic bags would be helpful!