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How much mulch do I need to cover my yard? Click here to use our mulch calculator.


GWRY Mulch Products -
100% locally sourced, 100% recycled

GWRY mulch products have a naturally low carbon footprint, since they are 100% recycled from local material brought to us by tree services and landscapers. Additionally, recycling green waste as mulch prevents it from wasteful decay in landfills, where it would convert into methane, a potent greenhouse gas.

Treeincarnation® Premium is an all-wood shredded mulch made from small logs which we can't use for milling, typically consisting of a mix of pine and cypress. It has a blond color when first applied.

Mixed and Aged is a typical "forest floor" mix of tree and shrub trimmings (including wood chips, twigs, leaves, etc.) that has aged in our yard several weeks.

Bay-Friendly Landscaping and GardeningUsing recycled mulch and compost to nurture the soil is a key Bay-Friendly practice, and an essential link between protecting our watershed, reducing waste and conserving resources. To learn how to design, construct and maintain sustainable landscapes for the San Francisco Bay area, please click the Bay-Friendly Landscaping logo above.

Both mulches are organic and will slowly turn gray and decompose over time. People generally choose Treeincarnation® if they want a more consistent appearance, or if they want better coverage of sloped areas; the shredded wood fibers knit together and hold to the ground better than shear-edged chips. On the other hand, if you are looking for a nutrient mulch, our Mixed and Aged will break down somewhat faster than our all-wood product.


Treeincarnation mulch with ruler Treeincarnation mulch quarter comparison
Treeincarnation® Premium Landscape Mulch

Mulch Pricing(please note our new prices as of 3/1/12)

  • GWRY Treeincarnation® Premium, All-Wood, shredded: $35.00 per cubic yd
  • Mixed and Aged, double-ground: $35.00 per cubic yd
  • Mixed and Aged, unprocessed: $15.00 per cubic yd (available for delivery only)

Pickup and Delivery

We are happy to fill your trucks at our yard weekdays 8AM-3:30PM at no additional charge.
Please call ahead: (510) 527-8733.


We also offer delivery Mon-Fri for a fee with minimum orders.
Our largest truck has a capacity of 30 cubic yards per delivery.


  • Delivery is available for minimum orders
    ($100 minimum order for 1 hr RT or less; $150 minimum order for RT greater than 1 hr).
         Fees will be based on estimated roundtrip time from our Richmond yard:
              Up to 15 cubic yards:   $125 1st hour + $75/hr extra hours
              16-30 cubic yards:       $150 1st hour + $100/hr extra hours

Discounted delivery may be available on large orders.

Scheduling Deliveries

Please allow at least 2 days to schedule a delivery. While we can sometimes accomodate same or next day requests, it is best to order a week in advance to insure the delivery date you want.

While we try to accomodate your time constraints, specifying a simple morning or afternoon delivery window is more realistic.

References

For a comprehensive introduction to mulch, please see this free guide from the CIWMB (California Integrated Waste Management Board):
A Landscaper's Guide to Mulch: Save Money, Control Weeds, and Create Healthy Landscapes


Mulch Coverage Calculator

At the recommended depth of 3 inches, 1 cubic yard of mulch will cover an area of 108 square feet.

To estimate how much mulch you will need:
Enter the length and width of the rectangular area you wish to cover, and the depth of mulch desired.

            Length (feet):    Width (feet):    Depth (inches):

Click   to get your mulch needs.

          TOTAL MULCH = cubic yards


Click   to clear the form.

This calculator is to be used for estimation purposes only. Please email or call us with questions regarding quantities of product you wish to order.



Have You Considered Sheet Mulching?

Sheet Mulching is...

...a layered mulch system. It is a simple and underutilized technique for optimizing the benefits of mulch and nurturing the soil. Sheet mulch can:

  • Suppress weed growth
  • Reduce labor and maintenance costs: weeds are composted in place
  • Improve nutrient and water retention in the soil
  • Encourage favorable soil microbial activity and worms
  • Enhance soil structure
  • Improve plant vigor and health, often leading to improved resistance to pests and diseases

Sheet mulching can be used either in establishing a new garden or tree planting, or to enrich existing plantings. In both cases, mulch is applied to bare soil or on top of cut or flattened weeds. New plantings are planted through the mulch, or a small area is left open to accommodate established plants and trees.

Step 1: Prepare the site. Knock down or mow existing vegetation so that it lies flat. Remove only woody or bulky plant material. The organic matter left will decay and add nutrients to the soil. Add amendments to this layer if a soil analysis indicates the need for adjustment of pH or minerals.

Optional: "jump start" the decay of weeds and grass by adding compost or manure at the rate of about 50 lbs/100 square feet. Soak the area with water to start the natural process of decomposition. It is much easier to soak the ground now, before the remaining layers of mulch are applied.

Step 2: Add a weed barrier.

Recycled cardboard is a good weed barrier.

The next step in sheet mulching is to put down an organic weed barrier that breaks down with time. It is essential that the barrier is permeable to water and air. Plastic mulches are not recommended.

Recycled cardboard, a thick layer of newspaper, burlap bags or old carpets of natural fiber work well. Many paper companies offer recycled cardboard or paper in rolls of varying widths. Two or three layers may be required to achieve an adequate thickness. If the weed barrier is applied too thickly, the soil can become anaerobic. Overlap the pieces of the material 6-8" to completely cover the ground without any breaks, except where there are established plants you want to save. Leave a generous opening for air circulation around the root crown. Wet down the cardboard or paper barrier to keep it in place.

Step 3: Layer mulch and compost. The top dressing mimics the newly fallen organic matter of the forest. It must be free of weed seeds. Good materials for this layer include chipped plant debris, tree prunings, leaves or straw. Well decomposed, weed-free compost is also a good material but it should be spread directly over the weed barrier and covered with bulkier materials such as tree prunings, to optimize weed control. In total, the compost/mulch layer should be 3-5 inches deep. Many materials suitable for the top layer often have an attractive appearance, making sheet mulch a versatile practice.

Sheet mulched site is ready for planting.

Step 4: Plant. Punch a hole in the cardboard and place plants in the soil under the sheet mulch. Smaller plants can often be planted right into the mulch/compost layer. Add a small amount of compost around the rootball if compost has not been included in the top layer. In most cases, the benefits of sheet mulching outweigh the costs. However, take care to prevent these potential problems:

  • As with any mulch, do not pile materials up against the trunks or stems of plants to prevent disease.
  • Especially during the dry season, snails and slugs will be attracted to the sheet mulch and can damage small seedlings.
  • Rodents can find a cozy home in mulch and can readily debark certain trees. Protect young trees with physical guards.
ADAPTED FROM: C.R. ELEVITCH AND K.M. WILKINSON, SHEET MULCHING: GREATER PLANT AND SOIL HEALTH FOR LESS WORK, PERMANENT AGRICULTURE RESOURCES AND GEOFF HALL, SHEET MULCH, SENTIENT LANDSCAPE, INC. with permission from StopWaste.org

Coming Soon: Treeincarnation™ Premium Mulch in 2 cubic foot bags
Treeincarnation™ Premium Landscape Mulch in 2 cubic foot bags
 
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