Zen Garden Gravel for Raking
Zen garden gravel is small, plain stone that holds raked lines. Granite chips and fine pea gravel are the usual choices.
Updated . Edited by: Ilyass Ben Hakim.
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Landscape supply yards sell gravel by the ton for full gardens. That is usually cheaper than bagged stone.
Home improvement stores stock bagged pea gravel and granite chips. Online bags suit small or desktop gardens.
Professional insight
Japanese garden builders pick angular granite in one color and size. Then they test rake a sample.
- Angular chips hold rake lines better than round pebbles.
- Washed stone avoids dust that clouds after rain.
- Mixed sizes separate when raked, so avoid them.
- See a wet sample, since color darkens when damp.
Check the label
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Sizing
| Size | Raking result | Notes |
|---|---|---|
| About 6 mm (1/4 in) | Sharp peaks and troughs | Favored by Japanese garden suppliers for patterns |
| About 10 mm (3/8 in) | Clear lines, a little softer | Common pea gravel size |
| About 14 mm | Broad, bold lines | Shifts less in wind and rain |
| 20 mm and up | Hard to rake | Better for paths and borders |
Zen garden gravel quantity
Raked areas need roughly 75 mm (3 inches) of gravel. Granite weighs about 1.6 tonnes per cubic metre. Check your supplier's own figure.
Gravel needed
CalculatorEnter your area and depth to estimate weight.
m2
mm
t/m3
Gravel needed
DIY steps
- 1Mark the area and remove turf and roots.
- 2Level and compact the soil base.
- 3Lay a weed membrane over the whole bed.
- 4Fit a firm edging to hold the gravel in.
- 5Spread the gravel to an even depth.
- 6Rake patterns with a wide toothed wooden rake.
Care
- Lift leaves by hand or with a leaf blower on low.
- Re-rake after heavy rain or wind.
- Top up each year as gravel settles into the base.
- Pull weeds while small so roots do not spread.
Common questions
- Can I use play sand instead of gravel?
- Outdoors, sand blows away and turns muddy. It works only in covered desktop trays.
- Should zen garden gravel be white?
- Not always. Grey granite is traditional. Avoid bright dyed stone.
- Do I need a membrane under the gravel?
- It is strongly advised. It slows weeds and stops stone sinking into soil.