Celtic Symbols & Knots

What Does the Celtic Tree of Life Symbolise?

Painterly illustration of a Celtic tree of life at dusk, its green crown in the night sky and golden roots spreading underground, showing the tree linking the worlds above and below

The Celtic tree of life meaning comes down to balance and connection. In early Irish belief, great trees linked the world below (the roots), this world (the trunk) and the sky above (the branches), and the Irish name for the idea is Crann Bethadh, “tree of life” (crann beatha in modern Irish, said roughly “krown BAH-ha”).

One of the Celtic culture’s most vivid and memorable symbols is the Celtic Tree of Life symbol. Not only did it hold a respected place in their belief system, especially with the Ancient Celtic druids, but still today, the Celtic tree of life is a beloved symbol that many intertwine into their lives. Be that with tattoos, Celtic jewelry, or other murals and artwork. 

Quick answer: what the Celtic tree of life means

  • Balance and harmony: roots below, branches above, and the tree holding the two together.
  • A link between worlds: this world and the Otherworld of the old Irish stories.
  • Strength, long life and wisdom: qualities tied to great old trees, especially the oak.
  • Rebirth: trees drop their leaves every winter and come back every spring.
  • Community and kingship: sacred trees, called a bile, stood at early Irish assembly and inauguration sites.

Fair warning: the respect for trees is old and well recorded. The neat, round knotwork tree you see on pendants and tattoos is a modern design inspired by that tree lore, not something carved by pagan Celts.

This ancient symbol of balance and harmony may often be associated with the Ancient Irish people but did you know that this symbol of life can be found in many different cultures across the world and throughout history? Well, you do now. It’s also one of the few Celtic symbols whose idea, if not its modern design, actually had a place in Ancient Irish culture.

So, let’s dive deep into the symbolic meaning of the Celtic tree of life, where it originated, and even how it appears in other cultural beliefs.

What Does the Celtic Tree of Life Symbolise?

Colorful Celtic tree of life symbols representing Irish heritage and culture.

The Celtic tree of life symbolizes harmony and balance. It was one of the most influential symbols in Celtic paganism.

Paganism was a religion or belief system that revolved around the importance of nature, its influence on the lives of the people who believed, and the gods and goddesses connected to different natural elements and locations. 

The Celtic tree of life had many symbolic meanings. It may have represented the harmony created by mother nature and her very own delicate balance.

The tree of life had branches that reached far into the sky and roots that traveled deep into the ground. The tree of life also symbolizes the connection between this world and the other world. The Ancient Celts are often said to have seen the tree of life as a gateway to the spirit realm.

Ancient Celtic-inspired tree artwork with intricate patterns and roots.
This is an artist impression of the Celtic Tree of Life. Copyright Irelandwide.com

Trees were very prominent in Celtic paganistic beliefs, and the tree of life was the ultimate tree-borne symbol. It symbolized strength, longevity, and wisdom. This belief stemmed from the long life of most trees, especially the oak tree that the tree of life was often depicted as. 

The cyclical life of a tree also meant that the tree of life symbolized resilience and rebirth. If you think about it, the transition from winter to spring really is a magical wonder in nature. It comes as no surprise that the Celtic people of Ireland saw trees as a symbol of new beginnings and hope.

What is the Origin of the Tree Of Life?

What Is The Origin Of The Tree Of Life?

Although the world tree design is considered a Celtic symbol, it dates back far earlier than that. This symbol can be traced back to Ancient Mesopotamia and Ancient Egypt. Undeniably, the tree of life wasn’t just a Celtic symbol but was also central to many other cultures and their religious beliefs.

However, history has a magical way of hiding much of the information we need, and many of these are just theories. Right now, we don’t know exactly where the tree of life symbol originated. We know that cultures that celebrated and respected the tree of life spanned the globe.

As for Irish Celtic history, the tree of life was actually known by another name. Crann Bethadh. This name means tree of life in the native Irish Gaelic language, and their tree of life had its own story.

Crann Bethadh

Ancient Celtic pagans had a truly deep and respectful love for trees in their Ancient belief system. None more than the stoic oak tree. It is this specific tree that represents the Crann Bethadh symbol. It was chosen for its strength, resilience, and the hope it weaved into the psyche of the ancient Irish people.

Elegant Celtic tree of life symbol representing Irish heritage and culture.

The oak wasn’t the only sacred tree, mind you. Early Irish texts use the word bile for a sacred tree, and medieval place-name lore remembers five great trees of Ireland, including Bile Tortan near Ardbraccan in County Meath and Eó Mugna in County Kildare. Several of the five are described as ash trees and others as yews, so the “it was always an oak” idea is a modern tidying-up. There’s a handy book review on Ireland’s sacred trees if you want more detail.

The oak and druid link is older, but it isn’t Irish. Pliny the Elder, writing in the first century AD, described druids in Gaul cutting mistletoe from an oak with a golden sickle. We don’t have a matching eyewitness account from Ireland.

The Celts saw trees as vital to their very survival in Ireland. It was the trees that provided shelter, warmth, and food, as well as a place for wildlife to shelter and thrive.

Sacred trees often stood at royal assembly and inauguration sites. This tree would become the hub of the community and was often the place of many community meetings.

Ancient Irish people thought of this particular tree as a gateway to the spirit world or the world of the fairies. The Irish word for oak, dair, survives in place names like Derry (Doire, “oak grove”) and Kildare (Cill Dara, “church of the oak”), and gives the Celtic Dara knot its name. It has nothing to do with the English word door, whatever you may have read.

Many Irish folktales centred around the prominent oak tree. For example, they thought that if you were to fall asleep by an oak you could very well wake up in the fairy world.

Oddly enough, in Irish folklore the classic fairy tree is the lone hawthorn rather than the oak, as our page on the myth and magic of Irish fairy trees explains.

Not only that, but they also believed that the life tree, the oak trees, could bless them with prosperity. 

The oak was so important to Celtic tribes that it was thought their enemies could be rendered powerless and vulnerable if their sacred tree was destroyed. 

This part is well documented. The Irish annals record that in 981 Máel Sechnaill, King of Tara, raided the Dál gCais and uprooted their sacred tree at Magh Adhair in County Clare, the inauguration site of the kings of Thomond. The inauguration tree of the O’Neills at Tullaghoge in County Tyrone was cut down by enemies too.

It’s these strong and powerful symbols that have made the Celtic tree of life an incredibly popular tattoo subject for decades.

Celtic Tree of Life artist Impression
This is an artist impression of the Celtic Tree of Life. Copyright Irelandwide.com

Is the Celtic Tree of Life Symbol Ancient?

Partly. The idea is old. The picture mostly isn’t.

Sacred trees, royal inauguration trees and the five great trees of Ireland are all there in the annals and the medieval texts. What hasn’t turned up is an ancient Irish carving of the round, knotted tree you see on jewellery today.

Knotwork itself came later than most people think. Pre-Christian Celtic art leaned on spirals and key patterns, and true knotwork only reached Ireland around the 7th century, in Christian manuscripts and on stone crosses. The tree of life knot is a much more recent design built on top of all that, which doesn’t make it fake. It makes it a modern symbol with genuinely old Irish tree lore underneath.

Here’s the short version, old versus modern, in one graphic (checked October 2026):

Celtic tree of life meaning infographic comparing what is documented in early Ireland with modern additions to the symbol
The Celtic tree of life meaning: what’s documented and what’s modern.

Crann Bethadh in Other Cultures

The Ancient Celts weren’t the first, nor the last, to celebrate the power of the tree of life. So, let’s look at other cultures that believed in the balancing nature of the Crann Bethadh.

Scottish

The Celtic Irish didn’t just belong to the Emerald Isle of Ireland. They also traveled and settled in the Scottish Highlands. So, it is no surprise that they also brought their belief in the tree of life with them.

The symbolism behind the tree of life in Scotland is very similar to that of the Irish Celts. Even its physical, artistic design is hard to separate from the Irish Celtic tree of life. 

Norse

Norse mythology was a colorful blend of bold mythical characters and symbols. Their tree of life or Yggdrasil was one of the most important symbols that ran through their beliefs. According to Norse mythology, Yggdrasil was at the very center of the universe, and the nine realms of the cosmos hung from its branches.

Those nine realms were:

  1. Midgard – Realm of the humans
  2. Niflheim – Realm of fog and mist
  3. Muspelheim – Realm of fire
  4. Asgard – Realm of the Gods
  5. Jotunheim – Realm of the giants
  6. Vanaheim – Realm of the Vanir
  7. Alfheim – Realm of the light elves
  8. Svartalfheim – Realm of the dwarves
  9. Helheim – Realm of the dead who didn’t fall in battle

Yggdrasil symbolises creation, sustenance, and wisdom. However, to the Vikings specifically, it also symbolised death and chaos. 

Unlike the Celtic people, Ancient Norsemen depicted their tree of life as the mighty ash tree. This tree provided a sense of structure and stability to their lives.

Intricate Celtic-style tree of life art with animals and detailed roots.
This is an artist impression of the Celtic Tree of Life. Copyright Irelandwide.com

Ancient Mesopotamia

The Assyrian tree of life was often depicted with a series of crisscrossing lines and flowering nodes. Examples of the tree of life from Ancient Mesopotamia are thought to possibly be the earliest examples of a tree of life symbol. However, the actual symbolism of this version of the tree of life isn’t known.

All we know is that it was an important symbol and it has been found carved behind the royal throne in the North West Palace of King Ashurnasirpal II at Nimrud (around 865 to 860 BC), as well as other similar important positions in Ancient Assyrian palaces. You can see the Ashurnasirpal II sacred tree relief for yourself in London.

Chinese

Stories of a spiritual peach tree can be found in Chinese Taoist tales. This tree symbolises immortality, one’s own essence, and its connection to all life.

It is also said that the peaches in the orchard of the Queen Mother of the West ripen only once every 3,000 years. The person who eats that fruit will be blessed with immortal life.  

Hinduism

The tree of life, known as Kalpavriksha in Hinduist culture, can be found in the sacred books of Hinduism. It is said that this sacred tree rose from the churning of the ocean (the Samudra Manthan) and now grows in the paradise of the god Indra. 

Often described as a tree of gold and gemstones, the sacred tree of the Hindus is believed to have a soothing and charming aura and it grants wishes when it is pleased. To please the divine tree, Kalpavriksha, you must give it offerings and delight it with chantings. 

The Tree of Life Knot Design

We’ll keep the design side short here, because it has a page of its own. For how the knotwork version is drawn, the design elements to look for, and jewellery and tattoo styles, head to our guide to the Celtic Tree of Life Knot.

The Celtic tree of life seems to have two artistic interpretations.

First, the tree of life symbol can feature an artistically drawn oak whose roots are woven into an intricate and traditional pattern of Celtic knots.

Roots woven in Celtic knots

Alternatively, some Celtic tree of life knots swap these elements around. Showing simple roots but a very intricate leaf pattern that is woven into a knot formation. Sometimes these designs are also surrounded by another Celtic knot ring.

Neither of these designs is wrong. Both are modern takes on the symbol, though, rather than copies of an ancient Irish original.

FAQ

What Does Crann Bethadh Mean?

Crann Bethadh means “tree of life” in Irish: crann is tree and bethadh is the old genitive form of beatha, life. Today it’s used for the Celtic tree of life symbol, but early Irish sources more often talk about a bile, a sacred tree that stood at an assembly or inauguration site.

Is the Celtic Tree of Life the Same as the Celtic Tree of Life Knot?

Not quite. The Celtic tree of life is the idea: a sacred tree joining the worlds above and below, with roots in early Irish tree lore. The tree of life knot is one modern way of drawing it, with roots and branches woven into knotwork, usually inside a circle. Same meaning, different job.

What Tree Symbolises the Tree Of Life?

In Celtic history, the tree of life is represented by an Oak. However, this changes from culture to culture. In Norse mythology, the tree of life is an ash tree, Ancient China worshipped the peach tree, and the Ancient Greeks used the apple tree to represent their tree of life.

What Tree Symbolises Death in Celtic Culture?

In Ancient Celtic culture, trees were the bearers of love, romance, passion, change, and protection – just to name a few of their intimate symbolisms. There isn’t one single tree that symbolises death. 

However, the destruction of these trees could be seen as omens of death, especially if it involved their most respected tree, the Oak.

Here is a list of trees and important plants that would have been around during the Ancient Celtic period and what they represented.

One honest caveat: the trees are old, and several give their names to letters of the ogham alphabet in medieval Irish manuscripts. These tidy three-word meanings are not, though. They come from the modern Celtic tree calendar, popularised by Robert Graves in The White Goddess (1948), as this history of the Celtic tree calendar sets out.

  • Birch – Beginning, Renewal, Youth
  • Rowan – Protection, Expression, Connection
  • Alder – Endurance, Strength, Passion
  • Willow – Imagination, Intuition, Vision
  • Ash – Connection, Wisdom, Surrender
  • Hawthorn – Contradiction, Consequence, Relationships
  • Oak – Strength, Stability, Nobility
  • Holly – Action, Assertion, Objectivity
  • Hazel – Creativity, Purity, Honesty
  • Apple – Beauty, Love, Generosity
  • Vine – Introspection, Relaxation, Depth
  • Ivy – Determination, Change, Patience
  • Reed – Harmony, Health, Growth
  • Blackthorn – Discipline, Control, Perspective
  • Elder – Transition, Evolution, Continuation
  • Fir – Clarity, Achievement, Energy
  • Gorse – Transmutation, Resourcefulness, Exposure
  • Heather – Dreams, Romance, Feelings
  • Poplar – Victory, Transformation, Vision
  • Yew – Transference, Passage, Illusion

Did Celts Worship Trees?

Yes, the Celts had an incredibly special and strong connection to their native trees. This was for many reasons. These plants were respected for their medicinal properties, and their food supply, but they were also believed to be the home of many faeries and spirits. 

What Did the Celts Believe Happened After Death?

Although there are no written records, the evidence that has been found of how the Ancient Celts treated their dead is a strong indication that they believed in an afterlife. 

From the early Irish stories written down by medieval monks, it is thought that the Irish Celts believed in the Otherworld, which may have been seen as a place free of pain, illness, disease, and sadness. This Otherworld is thought to be where the Celts believed they would go when they died.

Did the Celts Believe in Yggdrasil?

No, the Celts didn’t believe in Yggdrasil. Although Crann Bethadh and Yggdrasil are both trees of life representations, their symbolic meanings and the mythological tales behind them are entirely different. 

Still doesn’t make sense? Think of it this way, Catholic Christians and Islamic Muslims both religions believe in the one God. They are similar gods with some similar stories but they aren’t the same God. That’s how it is with Yggdrasil and the Celtic tree of life.

Celtic Tree of Life artist Impression 2
This is an artist impression of the Celtic Tree of Life. Copyright Irelandwide.com