May is one of those rare months that gets two birth flowers, and they could not be more different. One is a tiny, almost shy white bloom that has found its way into more royal wedding bouquets than nearly any other spring flower. The other is a thorned tree so sacred in Celtic folklore that Ireland once rerouted a motorway rather than cut one down.
Both of them come through my Los Angeles studio every spring, and I have a soft spot for each. Brides ask me for lily of the valley from the moment the season opens, and I tuck it into bridal bouquets more than almost any other accent bloom. When I am building something larger and want a little wildness, hawthorn branches give me a texture nothing else can. The minute spring hits, both of these move fast at the LA flower market.
Let me walk you through both, because once you understand them, choosing for a May birthday becomes easy.
Why Does May Have Two Birth Flowers?
May ended up with two because different regions grew different blooms in different flowering seasons, and the tradition simply kept both. Lily of the valley is a shade loving ground cover. Hawthorn is a blossoming tree native to three continents. They share almost nothing, and that is exactly what makes the pairing so lovely to design with.
One bloom is petite and perfumed, barely 12 inches tall. The other climbs 15 to 30 feet into the air. When a client calls about a May birthday arrangement, I usually ask which one sounds more like the person they are celebrating. That single question narrows the whole thing down in seconds.
May Birth Flower Number One: Lily of the Valley

A Spring Bloom With a Misleading Name
Despite the name, lily of the valley (Convallaria majalis) belongs to the asparagus family, not the lily family at all. Its Latin name translates to "belonging to May," which feels exactly right. Each plant sends up arching stems lined with tiny white bells that top out around 6 to 12 inches. You get a short, precious window, only two to four weeks of blooms each spring before it closes again.
Older names for it include Our Lady's Tears and May Bells, and the French call it Muguet. Left alone in a garden, it spreads through its roots faster than anyone expects. I have watched it take over a Brentwood side yard in three seasons flat.
The Stories Behind It
Christian legend says lily of the valley sprang from the Virgin Mary's tears, which is where its symbolism of purity and motherhood comes from. The English version has more drama to it. As the story goes, St. Leonard fought a dragon in a Sussex forest, and lily of the valley bloomed wherever his blood fell. That patch of woodland is still called The Lily Beds, and the flowers return there every spring.
France turned the bloom into a national tradition called La Fête du Muguet, and to this day sprigs of lily of the valley are sold all over the country on the first of May.
The Most Toxic Flower in a Wedding Bouquet
Here is the part that surprises people. Every part of this delicate little flower is poisonous. The plant carries cardiac glycosides that act on the heart, and even the vase water left behind after the stems are gone can harm a pet. I always mention this to brides who have dogs or little ones at home, because it is the kind of thing you want to know going in.
And yet royalty has carried it down the aisle for over a century. Grace Kelly chose it for her Monaco wedding. Princess Diana included it in her bridal bouquet, and Kate Middleton built nearly her entire wedding bouquet around it. There is something quietly perfect about the most poisonous bloom in the room being the one brides reach for again and again.
What the Colors Mean
Every one of those royal bouquets shared the same bloom, white lily of the valley. White is by far the most common color, and the Victorians tied it to purity and humility. In their language of flowers, sending lily of the valley told someone "you have made my life complete."
Pink lily of the valley is harder to find, and a little more romantic for it. The pink signals tenderness and new love, which makes it a beautiful choice for an anniversary or a romantic arrangement.
Because the bloom window overlaps with Mother's Day, and because of that motherhood symbolism, it doubles beautifully as a Mother's Day flower too. I love working it into birthday flowers during its short season for anyone with a May birthday who wants that meaning layered in.
May Birth Flower Number Two: Hawthorn

More Tree Than Cut Flower
You will not find hawthorn in a hand tied bouquet. It is a tree in the rose family, not a cut stem, and each spring it produces dense clusters of blossoms in white, pink, and deep red, all backed by thorns over an inch long. A single hawthorn can live more than 400 years, and that kind of longevity is exactly why it earned such a sacred place in Celtic folklore.
Sacred Tree, Forbidden Indoors
In Celtic folklore, hawthorn was known as the Fairy Tree. A lone hawthorn standing in a field was considered sacred, and cutting one down was said to invite real misfortune. In 1999, Irish authorities famously altered the path of a motorway to spare a single hawthorn believed to be a fairy meeting tree. It still blooms beside the road today.
There was also a firm old rule never to bring hawthorn blossoms inside. Some of that superstition has a real root, since the flowers carry a compound that can smell faintly of decay as they fade, which likely fed the unease. None of that stopped brides in ancient Greece from wearing hawthorn crowns at their weddings, and in English legend, Joseph of Arimathea's staff is said to have taken root and flowered into a hawthorn at Glastonbury that still blooms twice a year.
Which May Birth Flower Fits Your Person?
Both belong in the same spring arrangement, honestly. I have set lily of the valley at the base of hawthorn branches in seasonal centerpieces, and the contrast between those tiny bells and the wild, thorned silhouette pulls people in every single time.
| Category | Lily of the Valley | Hawthorn |
|---|---|---|
| Best for | Bridal bouquets, Mother's Day | Large installations, folklore lovers |
| Message | You have made my life complete | I will protect you through every season |
| Personality | Understated, loyal, stronger than they appear | Bold, protective, full of contradictions |
| Fragrance | Sweet, heady, iconic in perfumery | Musky, earthy, polarizing |
| Vase life | 5 to 7 days as a cut stem | 3 to 5 days cut, 400 plus years as a tree |
| Color | White, pale pink | White, pink, red |
| Zodiac | Taurus, loyal, ruled by Venus | Gemini, dual natured, ruled by Mercury |
May Birth Flowers and Your Zodiac
Taurus (April 20 to May 20): Venus rules Taurus, and lily of the valley mirrors the sign beautifully. It returns to the same patch of garden every spring, the way a Taurus returns to the people they love. For a May Taurus birthday, I love pairing the blooms with soft green foliage.
Gemini (May 21 to June 20): Gemini is ruled by Mercury, and hawthorn is a flower of opposites, generous blossoms above and sharp thorns below. A Gemini born in May would delight in knowing their birth flower once rerouted an entire highway.
Choosing the Right May Birth Flower
One of these blooms is said to have sprung from a saint's blood. The other from a biblical staff. Both have traveled down royal aisles and outlived more stone buildings than we can count. For a May birthday, the choice really comes down to the person. The gentle, loyal soul gets lily of the valley. The fierce protector gets hawthorn.
If you have someone with a May birthday in mind, I would love to design something beautiful for them. Tell me a little about who they are, and we will let their flower lead the way.

