QR Code Grave Markers: Flat, Flush and Temporary

A QR code grave marker is a small scannable plaque fixed to a flat, flush or temporary marker that opens an online memorial page. Flat markers sit at ground level, so anything added to them has to survive mowers, grass and standing water. The strongest case is the temporary marker: the page can exist months before the permanent stone does.

Updated July 27, 2026 · Written and checked by the Lumestone team

Grave marker, headstone, monument: the words are not interchangeable

People searching for a QR code grave marker usually do not mean an upright headstone. They mean the flat piece of granite or bronze set level with the grass, the sloped bevel marker, or the plastic card in a metal frame the funeral home left while the family waits for the real thing. The difference matters, because each is a different surface with a different problem.

A headstone stands upright on a base. Its vertical face sheds water, sits above the mower line and can be read standing up. If that is what you have, the guide you want is our guide to QR codes for headstones. Everything below is about the markers that lie down.

A marker is low. A flat or flush marker is set level with the turf. A bevel marker rises an inch or two with a sloped top. A slant marker is a wedge with a steeply angled front. A monument is the big one: a family stone, often on its own base, sometimes with several names, and usually governed by its own section of the cemetery rules.

The reason cemeteries push families towards flush markers is maintenance. A lawn of upright stones has to be mown around by hand; a lawn of flush markers can be mown straight over. Many memorial parks allow nothing else. The rules at Calvary Cemetery put it without decoration: markers, whether bronze or granite, must be flush with the ground and are restricted in size based upon location.

The sizes above are the ones the US Department of Veterans Affairs publishes for the markers it furnishes. They are a useful sense of scale for private markers too.

Flat and flush markers: a different surface problem

An upright headstone has one enormous advantage that nobody notices until they lose it. Its face is vertical. Rain runs off it. Snow slides off it. Grass clippings do not settle on it. A plaque fixed to a vertical face is washed by the weather rather than sat in it.

A flush marker faces the sky. Everything that falls, lands on it. Rain sits in the low points until it evaporates, and in a hard winter that water freezes in place. Clippings, leaves and dust build up in the recesses, and in summer the surface takes full sun with nothing shading it. It is a harder environment than a headstone face, and worth being honest about.

What this means in practice is that the exact spot on the marker matters more than it does on a stone. On a bronze flat marker, the casting has a raised border around a recessed field. Water drains to the field and sits there, so if the border is wide enough it is the better surface. On a granite flat marker there is usually a polished top with a lawn margin around it, and the polished area sheds water better.

The bond itself is ordinary adhesive engineering. The plaque we make is 5×5 cm (2×2 in) of engraved anodized metal with a champagne-brass rim, and it arrives with industrial 3M adhesive already applied. That adhesive wants clean, dry, above-freezing stone or metal, and it wants to be left alone for three days afterwards. If the marker is old and weathered, our guide to adding a QR code to an existing headstone covers the preparation, and the same method applies to a flat marker. For how the plaque behaves outdoors over years, see are QR code headstones waterproof.

The mowing problem

Flush markers exist so that machinery can drive over them. A ride-on mower deck passes across the marker with very little clearance. A string trimmer whips the grass at the marker edge, and the operator is working quickly across hundreds of graves. Neither is looking down. Anything standing proud of the marker face is in the path of steel.

Cemetery rules are usually blunt about it. The Calvary rules say that during the mowing season, any item found on the ground, lot or grave which interferes with mowing and trimming of the cemetery grounds will be removed without notice. That is not a threat aimed at QR plaques. It is aimed at the shepherd's hooks, solar lights, ceramic pots and glass jars that grounds crews clear every spring. But it applies to anything, and it means a plaque set on top of a flush marker in the mower's path is a plaque you may not see again.

There are four sensible ways round it.

• Use the recessed field of a bronze marker. The raised border is what the mower deck rides over. A plaque set inside the field, below the top of the border, is physically shielded by the casting itself. This is the best option when it is available.
• Use a vertical edge. Bevel and slant markers, and granite flat markers with a visible side, give you a face that is not pointed at the sky and not on the mower's path.
• Use a companion piece. A vase block, a small kerb stone, a granite tablet the family sets beside the grave, or the family monument if there is one. Anything already standing above turf level is already accepted by the grounds crew.
• Do not use the grave at all. Put the plaque on the urn at home, on a memorial bench, or on a keepsake. The page is the same page. See our guide to benches, trees and keepsakes.

The second half of the mowing problem is slower: turf creeps. A flush marker set level with the grass in year one is often half under grass by year five. A marker that has disappeared cannot be scanned, which is an argument for one visit a year with a hand edger and a soft brush. The National Park Service guidance on cleaning grave markers is the safest reference: water or a pH-neutral cleaner, soft brushes, patience, and never bleach, a wire brush or a pressure washer.

Temporary markers: the strongest case for a QR code

Most families do not realise how long the gap is. A grave usually has to settle before a permanent stone can be set on it, because a monument set on unsettled ground will tilt. Memorial firms describe settling as taking roughly six to twelve months, and cemetery policy varies widely on top of that: Merkle Monuments notes that upright headstones are commonly recommended no sooner than six months after burial, that some cemeteries require a full year, and that others allow six to eight weeks. Add the time to agree wording, order the stone, cut it and book installation, and a year is normal.

For that year the grave has a temporary marker: usually a wooden stake or a printed card in a metal frame, left by the funeral home. Stoneletters recommends a simple wooden marker carrying the name and the date of death, and notes that it takes the pressure off a family asked to choose permanent wording in the worst month of their lives.

So there is a year in which the grave says almost nothing. A memorial page fills exactly that year. It can exist the same week, and it can hold the eulogy that was read, the photographs gathered for the service, the order of service, the recording somebody made at the back of the room, and the notes friends sent afterwards. It can be shared as a link in the meantime, with a plaque added later.

Two practical points, because this is where people go wrong.

Do not fix a permanent plaque to a temporary marker. The adhesive is meant to bond for good. If it bonds to a wooden stake that the cemetery removes and bins the day the stone is set, the plaque goes with it. Instead, fix it to a small stone, paver or granite tablet that you set beside the temporary marker and can move later, or keep the plaque at home and place it on the permanent stone when the stone arrives.

The page URL does not change. That is the point that makes the timing easy. The memorial you build in month one is the memorial the plaque points at in month fourteen. If you want something at the grave now and something on the stone later, order two plaques rather than trying to move one; both scan through to the same memorial. Our two-pack is $69.99 and a three-pack is $95.99, which is what most families of a certain size end up needing anyway, between the grave, the urn and a keepsake.

Veteran and military markers: extra care

A government-furnished marker is not the family's property in the way a private stone is. The VA supplies flat bronze markers of roughly 24 × 12 inches with about three-quarters of an inch of rise, flat granite and marble markers of the same footprint but four inches thick, and small bronze niche markers of roughly 8.5 × 5.5 inches for columbarium fronts. They are provided, set and maintained under government policy, not under the family's.

In national cemeteries administered by the National Park Service, 36 CFR 12.7 allows a marker or monument at private expense only in certain sections and only with the Director's approval, and lets the superintendent judge whether a marker is in keeping with the historic character of the cemetery. That is a high bar for anything added privately.

The clearest signal is a political one. In March 2022 a bipartisan group of senators and representatives, led by Rep. Mike Thompson, wrote to the Secretary of the Army and the Secretary of Veterans Affairs asking them to give families the option of using QR codes on or next to headstones and grave markers. You do not write that letter about something already permitted. Treat it as evidence that this is not a family's decision to make.

The VA already runs something in this space. Veterans Legacy Memorial is a free online memorial page run by the National Cemetery Administration. It began with veterans interred in VA national cemeteries and has since been extended to VA grant-funded state, territorial and tribal cemeteries and to a number of Department of Defense-managed military cemeteries, so the odds that a veteran already has a page there are higher than most families assume. Families can add photographs and tributes. It costs nothing and it is a good service. What it does not do is sit at the grave, and it holds what its own system allows rather than what your family wants to keep.

The practical position is straightforward. Do not attach anything to a government-furnished marker without written permission from the cemetery office. If the section allows a private companion piece, put the plaque on that. If not, put it on the urn, on a keepsake at home, or on a family monument elsewhere, and share the memorial as a link.

Asking the cemetery, and getting it in writing

Rules vary by country, by cemetery and by section within a single cemetery. A memorial park may permit nothing above turf level in the lawn sections and allow monuments a hundred yards away. We cannot tell you your cemetery's answer, and neither can anyone else selling you a plaque. Ask, and get it in writing: grounds staff change, and a verbal yes is not much protection.

The questions that actually get useful answers:

• Who holds the interment right on this plot, and does their consent need to be recorded before anything is added?
• Is anything permitted to be affixed to a marker in this section, and does the answer change for a private marker versus a government-furnished one?
• Is there a size or material limit for anything attached?
• What happens during mowing season, and is anything above the marker face liable to be removed without notice?
• Is a companion stone, vase block or kerb permitted beside the marker, and at what size?
• Who is liable if the item is removed or damaged by grounds maintenance?
• Can I have that in writing or by email?

Our guide to cemetery rules for a QR code plaque goes through the whole approval conversation, including what to do when the answer is no and how to phrase the request so it gets read as a small engraved plaque rather than as a piece of technology.

If the answer is no, the fallbacks are real rather than consolation. The urn at home is unregulated. A framed photograph on the mantelpiece is unregulated. A pet memorial in your own garden is unregulated. The memorial page does the same work in all of them.

Placing the plaque on a flat or temporary marker

The method is short and the patience is the hard part.

1. Choose the spot before you unwrap anything. Kneel where a visitor would kneel. Look at where water sits after rain, where the mower deck passes, and where the casting stands proudest. Mark it with masking tape.
2. Clean and dry it. Water and a soft brush for the stone, then let it dry fully. On bronze, remove wax and polish residue; adhesive does not bond to wax. Nothing acidic, and nothing abrasive on a polished granite face.
3. Check the temperature. 3M-type acrylic adhesive is happiest around 21–38 °C (70–100 °F) and struggles below about 10–15 °C (50–60 °F). A cold flat marker in February is the worst case there is, because the stone holds the cold. Wait for a warm dry day.
4. Test the scan first. Hold the plaque in position, unpeeled, and scan it with your own phone from the angle a visitor would use. On a flat marker the visitor bends over it, so their own shadow falls across the code. If it reads in your shadow, it will read in theirs.
5. Press hard, then leave it. Firm pressure across the whole face for thirty seconds. Acrylic adhesive reaches roughly half its strength in the first twenty minutes, most of it within a day and full strength at about seventy-two hours. Do not test it by pulling.
6. Come back once a year. Edge the turf back, brush the marker, scan it, and look at the page as a stranger would. That is the whole maintenance schedule.

What the visitor reaches is the part that matters. A memorial page holds unlimited photographs and video with no storage limit, their life story, a timeline, their voice, their song, and a place for other people to leave tributes and light a candle. It is ad-free, and it can be public or private, switchable later without replacing the plaque. You can see a finished example at this sample memorial.

The plaque is $39.99, against an anchor price of $79.99. It ships worldwide within 48 hours, comes with a 30-day money-back guarantee, and carries a lifetime scan guarantee: if it ever fails to scan, we replace it free. Our guide to creating a memorial QR code walks through building the page first and worrying about the surface afterwards, which is the right order for a family still waiting on a stone.

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