About this compost

Finished screened compost, fully broken down and ready to work into beds. The general purpose choice for building soil that holds water and feeds roots.

We had a great experience with mulch mound! Our mulch arrived when we requested. The delivery fee was so reasonable. We’ll use them again for sure!

One cubic yard covers about 324 square feet at a 1 inch depth, which is the right amount for topdressing an existing lawn. For bed work, plan on 2 to 3 inches tilled in, so that same yard only covers 108 to 162 square feet. Measure your bed or lawn area first, then size the order to the depth you actually need rather than rounding up.

A yard is approximately 27 cubic feet. As a general guideline, one yard of material can cover an area of about 100-160 square feet at a 2-3 inch depth.

Ashburn Compost Delivery

Ashburn Compost Delivery

4.7
137 reviews
Regular price $60.00 per Yard
Regular price Sale price $60.00
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Why order through Mulch Mound

The best local compost, without the guesswork.

We hand-pick and partner with the best yards in your region, keep only the ones our buyers rate well, and back each load with our guarantee.

Mulch Mound Guarantee

If your compost isn't the quantity or quality you ordered, we'll make it right.

About this compost

Finished screened compost, fully broken down and ready to work into beds. The general purpose choice for building soil that holds water and feeds roots.

We had a great experience with mulch mound! Our mulch arrived when we requested. The delivery fee was so reasonable. We’ll use them again for sure!

One cubic yard covers about 324 square feet at a 1 inch depth, which is the right amount for topdressing an existing lawn. For bed work, plan on 2 to 3 inches tilled in, so that same yard only covers 108 to 162 square feet. Measure your bed or lawn area first, then size the order to the depth you actually need rather than rounding up.

A yard is approximately 27 cubic feet. As a general guideline, one yard of material can cover an area of about 100-160 square feet at a 2-3 inch depth.

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How It Works

Getting started is easy — just follow these simple steps

1

Choose your quantity

Adjust the quantity to match your project. One cubic yard covers about 100 to 160 square feet at a 2 to 3 inch depth.

2

Select your delivery date

Select a delivery date you'd like for the product to be dropped off at your home

3

Sit back and wait

Sit back, wait, and let us work our magic to make sure the highest quality product is delivered to your driveway.

From The Mouths of Ashburn Folks

4.7
out of 5 based on 137 reviews
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Complete Your Outdoor Project

Compost pairs well with a topsoil delivery if you're building a new bed from scratch in that stripped clay loam, and with mulch on top once the compost is worked in, since mulch holds moisture over the amended soil. If you're just topdressing a lawn, compost usually stands on its own without needing anything else delivered alongside it.

Mulch Mound Pro Tip

In Ashburn's clay loam, don't just spread compost on top and walk away, work it into the top 4 to 6 inches with a garden fork or tiller so it actually blends with the clay instead of sitting as a separate layer. A thin barrier layer of pure compost on top of dense clay can shed water sideways instead of letting it soak down to roots, which defeats the purpose of amending in the first place.

Mulch Mound Pro Tip

The most common mistake we see is piling compost on thick thinking it'll feed the lawn faster. Past 1 inch on turf, fresh organic matter can tie up nitrogen as it continues to break down, leaving grass yellow for a few weeks. Thin and even, topdressed right before overseeding in spring or fall, gets better results than a heavy single application.

Mulch Mound Pro Tip

If you're renovating a whole bed, it's more efficient to order compost and topsoil together and blend them on site than to buy pre-mixed garden soil by the bag. A yard of straight compost mixed with a yard of screened topsoil stretches further and costs less per square foot than bagged blends, and you control the ratio based on how sandy or clay heavy your existing soil already is.

Building Better Soil in Ashburn

Clay loam is the default soil around Ashburn, and it drains slow and compacts hard, especially in the newer developments near One Loudoun Plaza where topsoil was stripped during construction. Compost worked into that clay opens it up, gives roots somewhere to go, and holds moisture without waterlogging in zone 7a's humid summers. It also buffers the freeze and thaw between the April 20 and October 20 frost dates, which is when new plantings struggle most. Most of what we deliver here goes into bed renovations or lawns that were never given real topsoil to begin with.

What Finished Compost Is

Finished compost is organic matter that has fully broken down into a dark, crumbly material with an earthy smell. It feeds soil life, improves structure, and helps beds hold water without staying soggy.

How Much to Apply

Work 1 to 2 inches into new beds, or topdress lawns with a quarter to half inch and rake it in. More is not better. Too thick a layer can smother roots instead of feeding them.

When to Apply

Spring and fall are both good windows. Spring applications feed the growing season ahead, and fall applications break down over winter so beds are ready at first thaw.

Frequently Asked Questions

Click a question to see the answer

Answer

Will compost fix my clay soil in Ashburn?

It won't change the clay itself, but tilling 2 to 3 inches of compost into the top layer improves drainage and lets roots spread more easily. Clay loam here is dense and holds water, and compost breaks up that structure over one or two growing seasons rather than instantly. Repeat applications each spring or fall build on the improvement.

Answer

How many yards of compost do I need for a quarter acre lawn?

A quarter acre is about 10,890 square feet. At a 1 inch topdressing depth, one cubic yard covers 324 square feet, so you'd need roughly 34 cubic yards for the full lawn. Most people topdress in sections over a few seasons rather than doing the whole lawn at once.

Answer

When should I apply compost, spring or fall?

Both work in Ashburn's zone 7a climate. Fall application before the October 20 frost lets compost break down over winter and be ready for spring growth, while spring application right before green-up feeds the season ahead. Avoid applying during peak summer heat when microbial activity in the compost can stress cool season lawns.

Answer

Where will the compost be dropped and do I need driveway access?

We place the load as close to your work area as your driveway or a nearby access point allows. Clear a spot roughly the size of a small car before delivery day so the truck has room to dump and pull away. If access is tight, let us know when you order so we can plan accordingly.

Answer

Should I get compost or topsoil for a new garden bed?

For a brand new bed in Ashburn's clay loam, a blend works best, topsoil provides the bulk and structure while compost adds the organic matter and nutrients. If you're just amending an existing bed that already has decent soil volume, compost alone tilled in 2 to 3 inches is usually enough.”

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