Grow Greener Gardens with Sustainable Products

The landscape products available at the MRWMD site are produced locally and contain recycled content. Keith Day Company produces onsite wood chips, made from recycled untreated lumber, and their Gabilan compost made from composted yard trimmings and locally sourced agricultural by-products, such as mushroom compost, and grape pumice. (It is reviewed annually and certified for organic use.) Soil products are also produced locally and distributed by Keith Day Company. Sand is harvested and sold by Don Chapin Construction Company , along with recycled rock products, from the MRWMD site.

The Benefits of “Green Gardening” Products

The benefits of buying and using MRWMD’s “Green Gardening” products are many. Along with reducing a significant amount of organic material going into the landfill, the purchase of these products support the local “green” economy.

They also:

  • Provide affordable soil amendment and attractive ground cover
  • Build healthy and productive soil
  • Help conserve water & deter weeds
  • Reduce need for herbicides & synthetic fertilizers

Buy by the Ton or Bag

Compost and landscape products are sold by the ton (truckload). Larger weights are available through the MRWMD Scales (MRWMD provides free loading).
Monday – Friday, 7:00 a.m. – 4 p.m. & Sat. 8 a.m. – 4 p.m.

Please note that for bulk purchases it is recommended that you arrive by 3:30 p.m. to allow time for loading and completing your transaction at the MRWMD scales.

Self-serve bags are currently unavailable at this time.

Product Information and Pricing

The following is is a sampling of landscape products and compost available at the MRWMD site.
For more product information, availability and pricing,
contact Keith Day Company at 831-970-0486 /
For Additional bulk rock and sand products contact Don Chapin Co. at 831-776-6119/

Wood Chips: Made from chipped, untreated, unpainted construction lumber. Colored chips are produced off site.

Uses: Aesthetic ground cover, paths, play and pet areas, and “Sheet Mulching” to replace lawn, deter weeds and conserve water. Small-(Approx. 1″-2″ and smaller)
*Colored Chips- (Approx. 1″-2″ and smaller)

Gabilan Compost, is produced by Keith Day Co. dba: Gabilan Ag Services and is registered with the  California Dept. of Food and Agriculture OIM program for organic agriculture. Made from yard trimmings this compost is an excellent soil ammendment.

Uses: Amend soil in landscape and growing beds, mulch, top dress and mulch around plants and trees, use in planting mix.

Potting Soil: Mix of sandy soil (20%), humus (65%), and other organic material.

Uses: Potting new plants or repotting plants that need larger containers. Also use for vegetables, herbs and other outside container gardens.

Top Soil: Mix of sandy soil (40%), humus (30%) and 30% organic material.

Uses: For lawns and gardens.

Fill Sand – Harvested from MRWMD site
# Loading included, except for sand and firewood.
* Amerimulch Colorant Information
**The Organic Materials Review Institute (OMRI) supports organic integrity by providing organic certifiers, growers, manufacturers, and suppliers an independent review of products intended for use in certified organic production, handling, and processing.

Calculating How Much You Will Need

The type of project and the size of your area will determine the amount of material you will need. MRWMD sells the product by weight vs. cubic yard.
You can use the following conversion table to help calculate how much you will need.

Ton/ Cubic Yard Conversion
1 Ton = Cubic Yards 1 Cubic Yard = # of Pounds
Sand .77 2,600
Compost 1.4 1,400
Topsoil 1.3-1.5 1,500
Woodchips 5 400

Recommendations For Compost Applications

(Cubic Yards Needed for Depth of Compost)

Sq Footage Compost Depth Yards Needed Tons
1000 2” 6 4.2
500 2” 3 2.1
250 2” 1.5 1.05

To learn how and what is needed to convert your lawn you might want to use the Bay Friendly Gardening Calculator found at:

and check out the “Sheet Mulching Information” sheet. (link to Sheet Mulching PDF )


More Information

Staff Contacts

Landscape Products and Compost
Keith Day Company
Open M-F, 7 a.m. to 4 p.m. & Sat. 8 a.m. to 4 p.m.
KDC Landscape Products Office
Located at the MRWMD site;
turn right at 4-way stop.

Bulk Sand and Rock Products
Don Chapin Co.
M.-F, 7 a.m. to 3:30 p.m.
Located at MRWMD site.
Turn right at 4-way stop, left at 2nd stop, follow signs to Chapin scales.

*MRWMD Service Area Includes the following jurisdictions:

Moss Landing, Castroville, Marina, Seaside, Del Rey Oaks, Sand City, Monterey, Monterey-Salinas Highway area, Pacific Grove, Pebble Beach, Carmel, Unincorporated Carmel, Carmel Valley, Carmel Highlands, and Big Sur