In this article
01 Choosing an urn — a final act of love
02 Why choose a biodegradable tree urn?
03 What size urn for a 40kg dog?
04 Personalizing the urn with your message
05 Where to plant the urn
06 Frequently asked questions
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The bond between a human and their dog is unlike any other — built over years of walks, silences, and unconditional loyalty. When they leave, the grief is real and deep. Choosing the right urn is not just a practical decision. It is a final act of love.
“An urn for your dog is not simply a container — it is the first gesture of a lasting tribute, the bridge between loss and living memory.”
1. Choosing an Urn for Your Dog — A Final Act of Love
Today, a dog is no longer just a pet — they are a full member of the family. When they pass away, the pain of loss is immense, and many people want to honour their memory in a meaningful and lasting way. Cremation, followed by keeping the ashes in an urn, has become one of the most common ways to pay tribute to our four-legged companions.
Choosing an appropriate urn is a deeply personal decision. It reflects the love and gratitude we carry for our dog — and the way we want to hold onto that bond, even after they are gone.
2. Why Choose a Biodegradable Tree Urn?
A biodegradable tree urn is a particularly meaningful choice. It represents not only the depth of your emotions, but also a return to nature — a cycle of life that continues beyond loss.
Choosing a Tree Urn means:
- Thanking your dog for the years of happiness spent together.
- Preserving a part of them through a living, growing tribute.
- Soothing the pain of grief by experiencing it in a gentler, more natural way.
- Creating a lasting symbol that grows stronger with time.
🌿 Unlike plastic or ceramic urns that remain static objects, the Tree Urn transforms over 6 to 8 years as it biodegrades in the soil — slowly releasing minerals from the ashes into the roots of the tree planted above.
“You ran ahead of me every morning. Now you will grow where the light is strongest.”
3. What Size Urn for a Dog Weighing 40kg?
The size of the urn depends directly on your dog’s weight. To estimate the volume of ashes after cremation, divide the animal’s weight by 28. For a dog weighing 40kg, this gives approximately 1.4 litres of ashes.
Our Urn M, with a capacity of up to 1.6 litres, is the ideal choice for dogs weighing up to 45kg.
| Size | Dog weight | Ash volume |
|---|---|---|
| S | Up to 10 kg | ~0.40 litre |
| M | Up to 45 kg | ~1.6 litres |
| L | Up to 90 kg | ~3.2 litres |
📋 For larger dogs weighing over 45kg, we recommend our Urn L, which can accommodate the ashes of pets weighing up to 90kg.
About the material
- Material: Agglomerated cork — 92% recycled cork + 8% eco-friendly binder
- Biodegradability: 6 to 8 years in the soil
- Compartments: 2 — one for the ashes, one for the plant
- Custom printing: Included free of charge
- Delivery: Europe · Canada · United States
4. Personalizing the Urn with Your Message
Every dog leaves a unique mark. With Tree Urn, you can have a personal message printed directly onto the cork — their name, a date, a motif, or a phrase that belongs only to you and them.
Printing on cork produces a soft, deep contrast: warm, natural, and beautifully legible. It is a permanent act of love, visible for as long as the urn rests on the earth — before gently returning to it.
“Fifteen years of loyalty. I will find you in every tree.”
🎁 Personalization is included free of charge with every Tree Urn order.
5. Where to Plant the Urn with Your Dog’s Ashes
Some people keep the urn at home first — as they would with a standard urn — to help them grieve, until the day they feel ready to plant a young tree and let go. Others choose to plant it directly, accompanied by a small ceremony celebrating the cycle of life.
Here are the most meaningful options:
- Your family garden — A direct, daily connection with your dog. A personal and intimate space for reflection, visible from your window every morning.
- A forest or wooded area — A peaceful, natural setting in harmony with the world your dog loved to explore.
- A pet memorial garden — Specially dedicated spaces that offer a respectful and soothing environment to honour your dog’s memory.
- A large pot on your terrace — If you prefer to keep the urn close, a large pot with good drainage is an excellent option that integrates seamlessly into daily life.
- A special place full of memories — The trail you always walked together, the field where they ran free, the hillside where they loved to sit.
Whatever the choice, by transforming the ashes into a tree — a symbol of life and rebirth — the Tree Urn keeps your dog close to you, in a form that grows stronger with every passing season.
6. Frequently Asked Questions
What size urn do I need for a 40kg dog?
For a dog weighing 40kg, the cremation ashes represent approximately 1.4 litres of volume. Our Urn M, with a capacity of 1.6 litres, is perfectly suited. It comfortably accommodates dogs weighing up to 45kg.
Can I keep the urn at home before planting it?
Absolutely. The cork urn is designed to stay indoors for as long as you wish. Its natural degradation only begins once buried in moist soil. You can keep it for months — or longer — while you find the perfect spot.
Why are there two compartments in the urn?
Because cremation ashes are chemically incompatible with seed germination. Their high alkalinity prevents seeds from sprouting. Tree Urn’s two-compartment design keeps the ashes and the plant separate — allowing both to serve their purpose honestly and effectively.
What plant or tree should I choose for my dog?
Tree Urn does not supply the plant — you choose it at your local nursery. Popular choices for dogs include oak (strength and loyalty), birch (gentleness), rosemary (remembrance), or lavender (calm and peace). Choose the one that best reflects your companion’s spirit.
Is it legal to bury my dog’s ashes in my garden?
In the vast majority of countries, no regulation governs the handling of pet ashes. Unlike human ashes, which are strictly regulated, you are entirely free to keep, scatter, or bury your dog’s ashes as you see fit. For specific country guidance, feel free to contact us.
Do you deliver outside of Europe?
Yes. Tree Urn ships across the EU, Switzerland, the United Kingdom, Canada, and the United States. Standard delivery takes 3 to 5 business days.
A Memory That Grows
Losing a dog is one of life’s hardest experiences. Choosing an urn, and a place to plant it, is one of the most meaningful ways to honour everything they gave you. The most important thing is to find what resonates most with your feelings — and the memory of your companion.
“They gave us everything. We can give them back to the earth — and let them grow.”


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