The Honey You've Been Buying Isn't From an Acacia — It's From This Tree

 The Honey You've Been Buying Isn't From an Acacia — It's From This Tree

The scent arrived before I could see the tree.

Sweet and slightly sharp at the same time — a fragrance that carries on a warm spring breeze in a way that few flowers manage. And when I got close enough to see what was producing it, the bees had already gotten there first. They were working the flower clusters methodically, moving from floret to floret, entirely focused. They knew exactly what this tree was worth, even if most of the people walking past it didn't.

This is 아까시나무 — and there's a reasonable chance you've tasted its honey without knowing what you were eating.

 The Naming Problem

Before anything else, one thing needs to be said clearly: 아까시나무 is not an acacia.

The Korean name comes from the Japanese *akashia*, which was itself borrowed from the English *acacia*, which was applied to this tree in error — or at least loosely — when it was first introduced from North America in the late 19th century. The actual acacias are a different genus entirely, native to Africa and Australia, with feathery leaves and yellow flowers. This tree has pinnate leaves and white flowers and is called *Robinia* in Latin, not *Acacia*.

And yet: the honey made from its flowers is sold across Europe as "Acacia Honey." In Hungary it's called Akácméz. In France it's *Miel de robinier*. In Korea it's 아카시아꿀. Nobody involved in the honey industry seems particularly bothered by the naming situation, because the honey is genuinely excellent and apparently the brand is too established to change.

The actual botanical name — *Robinia pseudoacacia* — acknowledges the confusion directly. *Pseudoacacia* means "false acacia." Even the scientists couldn't resist pointing out the mistake.

 The Tree: 아까시나무 (Robinia pseudoacacia)

**Korean name:** 아까시나무  

**English common name:** Black Locust, False Acacia  

**Scientific name:** *Robinia pseudoacacia* L.  

**Family:** Fabaceae (콩과)  

**Blooms:** May – June  

**Height:** up to 25m  

**Native range:** Eastern United States (Appalachian region)  

**Toxicity:** ⚠️ Bark, leaves, seeds, and roots are toxic. Flowers are edible.

*Robinia pseudoacacia* is a fast-growing deciduous tree native to a relatively small area of the eastern Appalachian mountains in the United States. It has since been planted so widely across Europe, East Asia, and other temperate regions that it now grows far beyond its original range — often aggressively. The leaves are pinnately compound with small oval leaflets, giving the tree a light, airy canopy. The flowers hang in dense pendant clusters — racemes — of white to cream-colored pea-shaped blooms, each one fragrant enough to be detected from a considerable distance.

The tree fixes nitrogen in the soil through root nodules, which makes it useful for revegetating degraded land but also helps it establish quickly in disturbed habitats where other trees struggle.

 Korea's Most Important Honey Tree

아까시나무 arrived in Korea during the Japanese colonial period, planted initially for erosion control on deforested hillsides. It performed that function effectively. It also, almost immediately, became the foundation of Korean beekeeping.

Korea's honey industry depends on this tree to an extraordinary degree. The flowering window is short — about ten days in late May — but during those ten days, the nectar flow is intense enough that beekeepers across Korea move their hives to follow the bloom as it progresses northward with the warming season. The resulting honey is light in color, almost transparent, with a delicate floral fragrance and a flavor that beekeepers describe as having notes of vanilla and light fruit. It crystallizes very slowly due to its high fructose content — a jar can remain liquid for a year or more.

This is the honey most Koreans think of as "아카시아꿀" — acacia honey. It's the default honey in Korean households, the one in the small hexagonal jars at every supermarket. It is genuinely one of the finest monofloral honeys in the world, which is perhaps some consolation for the naming situation.

 What You Can Eat — And What You Cannot

The flowers are edible and have been eaten across Korea, Europe, and North America. Koreans make 아카시아꽃 튀김 — tempura-style fried flower clusters — which are a classic spring seasonal food, sweet and fragrant and crisp. The flowers can also be eaten raw directly from the tree — the taste is reminiscent of snow peas with a floral sweetness — or steeped as a tea, or used to make flower syrup and jam.

The bark, leaves, seeds, and roots are a different matter entirely. They contain a toxalbumin called robin — a protein-based toxin that interferes with cell function. Animals that eat significant quantities of the bark or leaves show serious symptoms: depression, loss of appetite, weakness, gastrointestinal distress, and in horses specifically, cardiac arrhythmia. The toxin is destroyed by heat, which is why the wood can be safely burned and why the flowers — which contain negligible amounts — are safe to eat.

The seeds are in a gray area. The outer pod contains toxic compounds, but the seeds inside are reported edible when cooked. Most foraging guides recommend avoiding them unless you know exactly what you're doing.

The rule for 아까시나무 is simple and worth remembering: flowers yes, everything else no.

 The Invasive Question

아까시나무 is classified as an invasive species in parts of Europe and is the subject of ongoing ecological debate. It spreads aggressively through both seed and root sprouting, establishes rapidly in disturbed ground, and can outcompete native tree species in ways that reduce biodiversity. The European Union considered classifying it as invasive in 2014, which prompted an unusual political response: the Hungarian government declared the tree a *Hungaricum* — a protected element of national cultural heritage — because Hungary's entire honey industry is built on it.

That collision — ecological concern versus cultural and economic identity — hasn't been resolved. The tree keeps blooming.

In Korea, the ecological argument is similarly complicated. 아까시나무 covers enormous areas of hillside that were bare in the mid-20th century following wartime deforestation. It stabilized those slopes and allowed other species to gradually establish beneath its nitrogen-enriched canopy. Some ecologists argue it did genuine good. Others point out that it's now spreading beyond where it was planted, crowding out native vegetation. Both things are probably true.

What's not debatable is the smell. Walking under a 아까시나무 in full bloom on a warm May morning, the bees busy overhead, the fragrance carried on a light breeze — that's an experience that doesn't require ecological caveats.

 Finding It

In Korea, 아까시나무 is at peak bloom right now in early May, progressing northward over the following two to three weeks. The tree is impossible to miss when flowering — the white racemes hang visibly from the canopy, and the fragrance announces it before you're close enough to see clearly.

The compound leaves — multiple small oval leaflets arranged along a central stem — and the paired thorns at each leaf base are the key vegetative identification features outside of flowering season. The seed pods, when they appear in summer, are flat and narrow, hanging in clusters like small brown ribbons.

For the flowers: harvest clusters when they're fully open but before they start to brown. Early morning is best. Shake them gently to remove any insects, rinse, and use immediately — they don't keep well once picked.

And if you're nearby when they bloom, stop for a moment. The bees already know it's worth stopping for.

 ⚠️ Disclaimer

This blog documents Korean plants and their traditional uses for educational and cultural purposes only. Nothing here is medical advice. **Only the flowers of 아까시나무 are edible — the bark, leaves, seeds, and roots are toxic.** If you're foraging, correctly identify the plant through multiple sources and consult a qualified expert before consuming any part of it.

*Photographed in Korea, May 2026. All field photography by The Korean Herbalist.*

**Tags:** 아까시나무, Robinia pseudoacacia, black locust Korea, Korean acacia honey, 아카시아꿀, Korean honey tree, Korean spring trees, edible flowers Korea, invasive plants Korea, Fabaceae Korea