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How Much Mulch for 1,500 Square Feet?

Mulching 1,500 square feet of beds at 3 inches takes 13.89 cubic yards. How much mulch for 1,500 square feet at 2 inches is 9.26 yards.

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Mulch by depth

DepthCubic yards2 cu ft bags3 cu ft bags
2 in9.2612584
3 in13.89188125
4 in18.52250167

One cubic yard of mulch covers about 108 square feet at 3 inches deep, or 162 square feet at 2 inches.

Best mulch depth

Aim for 2 to 3 inches. Refreshing existing beds often needs only an inch on top. Do not pile mulch against trunks; the ’volcano’ mound traps moisture against the bark.

Buying mulch

Bulk mulch by the yard usually costs much less than bags past 2 or 3 yards. At 13.89 yards, bulk delivery is the better value.

Delivery and spreading

Ask the supplier where the truck can safely dump without crossing soft lawn or septic fields. Cover the pile if rain is coming. Spread with a flat shovel and a landscape rake, working from the far end back toward the pile.

Checking quality

Good bulk soil is dark, crumbly and free of trash, large rocks and weed roots. Ask whether it is screened and whether compost is blended in. If possible, look at the pile before ordering or ask for a sample.

Timing the job

Plan deliveries for a dry stretch so the pile and the ground are workable. Early spring mulching suppresses weeds before they sprout, while fall soil work gives beds time to settle before planting.

Common mistakes

Many people underestimate settling, so beds end up low by the second season. Others pile soil or mulch against tree trunks and siding, which invites rot and insects. Wet, sticky soil should wait for a drier day before spreading.

Questions people ask

How many yards of mulch for 1,500 sq ft?

About 13.89 cubic yards at 3 inches.

How many bags of mulch for 1,500 sq ft?

About 188 bags of 2 cubic feet at 3 inches.

How much does a yard of mulch cover?

About 108 square feet at 3 inches deep.

How deep should mulch be?

About 2 to 3 inches.

How many bags of mulch are in a yard?

About 13.5 bags of 2 cubic feet.

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