Ornamental Bark Guide – What It Is, When to Use It & Where to Get It

Ornamental bark is one of the simplest ways to finish off a garden bed, and one of the most useful. Beyond the decorative finish, it’s a practical material for protecting borders through autumn and winter, cutting down on weeding, and reducing how often beds need watering. This guide covers what it is, its main uses, and how much you’ll need.

What Is Ornamental Bark?

Our Bark Ornamental is chipped bark graded to 10 to 40mm, medium to dark brown in colour. It’s supplied in bulk bags or loose loads, sold by the cubic metre rather than the tonne, with collection currently available from our Costessey yard.

What Is It Used For?

Ornamental bark is used to improve the look of garden beds, and it does more than sit there looking tidy. Spread across the surface of a border, it helps keep weeds at bay by shading out seedlings before they establish, and it improves soil condition as it slowly breaks down over time. That combination of a decorative finish and a practical function is what makes it a genuine garden mulch, not just a ground cover.

When to Use It as a Mulch

Mulching works best when the soil is damp but not waterlogged or frozen, which usually points to autumn or spring rather than the height of summer or the depths of winter. Autumn is a particularly good option: laid before the ground turns cold and wet, a bark mulch protects plant roots through the coming frosts and keeps weeds down over winter.

How to Apply It as a Mulch

1. Clear the bed first. Remove weeds and dead growth so the bark sits directly on soil.
2. Lay it thick enough to work. A layer of at least 5 to 7.5cm is needed for the weed suppression and moisture retention to be effective.
3. Keep it off stems and trunks. Piling bark directly against a plant’s stem or a tree trunk can trap damp against it and encourage rot, so leave a small gap around the base of anything you’re mulching.
4. Top up as it thins. Bark breaks down gradually rather than all at once, so an established bed just needs topping up as the layer wears down, not replacing on a fixed schedule.

Ornamental Bark or Play Bark?

Bark Ornamental is the right choice for borders, beds and general garden mulching. If you’re covering a children’s play area instead, our Pine Nuggets (Play Bark) is a coarser bark certified for use in children’s play areas (BS EN 1177), rather than a mulch for borders. The two aren’t interchangeable: play bark is too coarse to suppress weeds effectively in a border, and ornamental bark isn’t rated as impact-absorbing safety surfacing.

Both sit within our wider landscaping range alongside topsoil, so a single order can cover bed preparation and the bark on top in one go.

How Much Do You Need?

The amount of ornamental bark you need depends on the area you’re covering and the depth you’re laying it at. As a guide, 10m² at a 5cm depth needs around 0.5m³ of bark, while the same 10m² at 7.5cm needs around 0.75m³. Larger or oddly-shaped borders will need their own calculation, so use our gravel calculator to work out the volume from your border’s measurements.

Bulk Bags or Loose Loads?

Ornamental bark is available in bulk bags or as a loose load. For larger gardens or several beds at once, a loose load delivered direct usually works out more cost-effective than ordering multiple bulk bags.

Ready to Order?

We’ve been a family-run Norfolk aggregate business since 1952, and our bark is supplied through the same yard as the rest of our range. Call the team on 01603 743767 if you’re not sure how much you’ll need, or whether ornamental bark or play bark is the right fit for what you’re covering.