Beith – Birch | Luis – Rowan | Fearn – Alder | Saille – Willow | Nuin – Ash | H’uath – Hawthorn | Duir – Oak | Tinne – Holly | Coll – Hazel | Qwert – Apple | Muin – Vine | Gort – Ivy | n’ Getal – Elm | Straif – Blackthorn | Ruis – Elder | Ailm – Fir | Onn – Gorse | Ura – Heather | Eadha – Aspen | Ioho – Yew | Koad – Poplar | Oir – Pink Dogwood | Uilleand – Honeysuckle | Phagos – Beech | Mor – Witch Hazel | Celtic Tree Months | Mistletoe

In the following section, the dates for each lunar tree month are approximate. In the Order of the Morrigan, we use 13 months of 28 days each to form our calendar. The first month, Birch Moon, begins with the first full moon after the winter solstice. Each month thereafter begins 28 days later. Since we use months of 28 days as a matter of convenience, our months don’t line up perfectly with the lunar cycle, but they’re close enough for our purposes. With 13 months of 28 days each, we have a total of 364 days. The leftover day (marking our ‘year and a day’ period) is a holy day dedicated to Mistletoe. In leap years, we have two days dedicated to Mistletoe. If you are born on a Mistletoe Day, you have the potential to be a powerful healer.
In the Order of the Morrigan the date of the first full moon after the winter solstice of the year in which you were born would be the first day of the Birch Moon, 28 days after that would be the first day of the Rowan moon, and so forth. Other traditions use other methods to calculate the tree months, but this is the method that seems to work best for the principles and practices of our Order. It seems to be a good way to reconcile the lunar cycle and the solar cycle, even with the drawback of the Elder Moon having more or less than 28 days.
Each month of the Celtic Tree Calendar is associated with a tree or other plant. A Celtic horoscope can be constructed by listing the properties of each tree of the Celtic Tree Calendar. The tree (or plant) associated with your birth month is your birth tree.

Birch Moon (late December to early January)

Aspect: Feminine

This is a moon of beginnings, purification and inception. The white of the birch’s bark symbolizes purity. This month also symbolizes the protection of children. Birch people are creative and compassionate. Birch people have a firm inner resolve, and lend strength to those around them. Birches are quietly determined, often working for change behind the scenes. Common sense and practical, clear solutions to problems are strengths for birch people.


Rowan Moon (late January to early February)

Aspect: Masculine

The wood of the rowan, or mountain ash, is often used for making wands and tools of divination. This is the moon of shamans and seers. Rowan people are associated with personal empowerment, healing, and vision. Rowan people have a keen sense of intuition. This powerful intuition is often used to protect self and others. Their ability to see the future often sets them apart from others. They sometimes seem to live in two wor4lds at once.


Ash Moon (late February to early March)

Aspect: Feminine

Ash is another popular wood for crafting magic tools. The feminine energy of the ash is associated with water spirits and the powers of water. Ash people are associated with prosperity, protection, and the healing arts. Ash people have a special ability to see the connections in the web of life. They are natural empaths, and share the pains and joys of others. This makes them very compassionate people.


Alder Moon (late March to early April)

Aspect: Masculine

Alder people are practical people. They focus on solutions. They are dutiful, and they are good teachers. Alder people are usually quite intelligent, and the power of weather magic is associated with this moon. They also love to fight for what’s right, and expend a great deal of energy in pursuing justice. They can sometimes dissipate energy needlessly by getting involved in frivolous debates.


Willow Moon (late April to early May)

Aspect: Feminine

The Willow Moon is known as the Witches’ Moon. It is associated with fertility and balance. Willow people are romantic and well-rounded. The Willow is associated with the moon in all her phases, and this means that Willow people are driven more by instinct than intellect. If you are a Willow, pay attention to your dreams, and let them guide you.


Hawthorn Moon (late May to early June)

Aspect: Masculine

People of the hawthorn are people capable of self-restraint. This moon is associated with peace, prosperity and binding magic. It is a sign of both fertility and death. Hawthorn deals with the necessity of change and transition. If you are a hawthorn, your motto is, “This too shall pass.”


Oak Moon (late June to early July)

Aspect: Masculine

Oak people are strong, wise and secure. People born under this moon are true and faithful. It is associated with the energy of the bear. If you are an Oak, you are concerned with strength of character, and your word is your bond. You are able to endure, but direct your energies wisely lest you unintentionally harm others in your zeal.


Holly Moon (late July to early August)

Aspect: Feminine

This moon is associated with the powers of protection. Holly people also have the gift of divination, and they are protectors of the animals. The Holly Moon is also associated with the powers of sex magic. Holly people have a deep connection to the Earth, and they have a generous spirit that commands the respect and admiration of others.


Hazel Moon (late August to early September)

Aspect: Feminine

This is the Moon of the wise. It is associated with the wisdom of the elders. People of the hazel are said to be good at spirit contact, and at manifesting their desires. If you are a Hazel, the gift of persuasion is yours. You have the ability to help others to see things your way, and to resolve conflicts. Moderate this gift by only giving advice when it has been asked for!


Vine Moon (late September to early October)

Aspect: Androgynous

Vine people are people who know how to celebrate! This moon is sacred to the Goddess Brighid, and is associated with spirituality, dream magic, and inspiration. vine people are courageous people. They are also very sociable, and have the gift of reading the thoughts and emotions of others. If you are a vine, you are able to restore balance to most situations by smoothing over ruffled feathers and finding a common solution.


Ivy Moon (late October to early November)

Aspect: Masculine

Ivy people are resilient and adaptive people. They thrive in most situations. They are also very cooperative people, and natural peacemakers. If you are an ivy, you have a talent for advancing your own personal agenda. Moderate this gift by being considerate of others when advancing your personal plans.


Reed Moon (late November to early December)

Aspect: Feminine

The reed energy is associated with hearth and home. Reed people are protectors of family and speakers of truth. They keep the home fires burning. They often have hidden secret strengths that even they may not be aware of. They may also have secret motivations. If you are a reed, use your ability to figure things out wisely, and don’t overstep your boundaries.


Elder Moon (late December to early January)

Aspect: Masculine

Elder people are good at banishing negative energies. This is their power of healing. This moon is also associated with the power of reincarnation and rebirth. It is a moon of completeness. Elders are able to thrive and prosper even in adverse conditions. This is because they have lived many lives, and they carry bits of wisdom from former lives into this life.


Day(s) of Mistletoe – The ‘make-up’ day(s) after the Elder Moon

Aspect: Neutral

The Druids referred to mistletoe as “All Heal” because they believed it to be able to cure virtually anything. Mistletoe people have the gift of healing and are the most powerful of all healers. Those born on a Mistletoe Day tend to be doctors, nurses, herbalists, therapists, or counselors. Since mistletoe is also associated with fertility, Mistletoe people tend to have success at romantic relationships and are generally good with children. Mistletoe people should guard against a natural tendency to be dismissive once spurned.