Celtic Trees Poster by AzureGreen, 8.5 x 11 Inches

At-a-glance tree lore. The sacred trees mapped to months, letters, and deities in one chart, the format that turns a wall into a study aid.

The ogham connection. Each tree ties to a letter of ogham, the genuinely ancient Irish alphabet whose characters bear tree names, the historical root the whole subject grows from.

Standard frame size. At 8 1/2 x 11 inches it drops into any document frame, ready for the study, the altar room, or the gift envelope.

• Size: 8 1/2 x 11 inches
• Format: printed reference poster
• Brand: AzureGreen

Two honest layers live on this sheet. The old layer is real: trees were central to Celtic religious life, from sacred groves to the crann bethadh at a settlement's heart, and ogham, the early Irish alphabet, genuinely names many of its letters for trees. The tidier layer, the thirteen lunar months each ruled by a tree, is a modern framework popularized by Robert Graves in the twentieth century, beloved by decades of practitioners but not an ancient calendar. We would rather tell you which layer is which; the study is better for it.

Used well, the poster is a doorway into both. The ogham thread leads to real early Irish tradition; the tree-month thread offers a ready-made rhythm for a year of practice, one species at a time. Frameworks do not need to be ancient to be useful, they only need to be worked.

1. Hang it where you study or practice; reference charts earn their keep at eye level.
2. You might choose to work the tree-month rhythm, spending each lunar month with one tree's lore, wood, and associations.
3. Pair it with a blank journal and make the year a tree-by-tree study project.
4. Follow the ogham thread into the historical sources when a letter catches your eye.
5. Frame it behind glass if it hangs in direct sun; reference sheets fade like any print.

• Celtic Tree of Life Journal: the other half of a tree-a-month study year.
• Hex Signs Poster: a fellow folk-reference sheet for the study wall.
• Cancer Zodiac Poster by AzureGreen: a line sibling for building out the reference gallery.
• Celtic Moon Celestial Amulet: the aesthetic worn, not just studied.
• Triple Moon Leather Journal: a second blank book for practices that keep separate volumes.

Is the Celtic tree calendar ancient?

The tidy thirteen-month version is modern, popularized by Robert Graves. What is ancient is the ogham alphabet with its tree-named letters and the deep role of sacred trees in Celtic religion. The poster draws on both, and we label them honestly.

What is ogham?

The early Irish alphabet, carved on stone monuments from around the fourth century onward, many of whose letters carry tree names. It is the historical root of the whole tree-lore subject.

What information does the chart show?

The sacred trees of Celtic lore with their lunar-month assignments, alphabet letters, and deity associations, arranged for quick reference.

Will it fit a standard frame?

Yes, 8 1/2 x 11 inches drops straight into any document frame, no custom matting required.

Why is it so inexpensive?

It is a reference sheet, priced like one. Study walls, gift envelopes, and coven handouts are all fair uses at this price.