North America Non-native Plant

Dahurian Buckthorn

Botanical name: Rhamnus davurica nipponica

USDA symbol: RHDAN2

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Rhamnus davurica Pall. var. nipponica Makino (RHDAN)   

Dahurian Buckthorn: A Rare Garden Visitor Worth Understanding If you’ve stumbled across the name Dahurian buckthorn (Rhamnus davurica nipponica), you’ve discovered one of those plants that keeps botanists scratching their heads and gardeners asking questions. This particular subspecies of buckthorn is like that mysterious neighbor you rarely see – intriguing, ...

Dahurian Buckthorn: A Rare Garden Visitor Worth Understanding

If you’ve stumbled across the name Dahurian buckthorn (Rhamnus davurica nipponica), you’ve discovered one of those plants that keeps botanists scratching their heads and gardeners asking questions. This particular subspecies of buckthorn is like that mysterious neighbor you rarely see – intriguing, but not much is known about their daily habits.

What Exactly Is Dahurian Buckthorn?

Dahurian buckthorn is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13 to 16 feet tall. Think of it as nature’s way of creating a medium-sized hedge that doesn’t need your permission to exist. You might also see it listed under its synonym, Rhamnus davurica Pall. var. nipponica Makino – because apparently one long scientific name wasn’t challenging enough!

Where You’ll Find This Elusive Shrub

Here’s where things get interesting (and by interesting, I mean limited): Dahurian buckthorn has been documented in just two states – Connecticut and Rhode Island. It’s like the plant equivalent of a rare collectible that only shows up in very specific locations.

This shrub falls into the category of non-native plants that have naturalized in North America. It reproduces on its own in the wild without human intervention, which means it’s found its groove in the American landscape, even if it didn’t start here.

The Garden Reality Check

Now, here’s where I have to be honest with you – information about this specific subspecies is surprisingly scarce. While buckthorns as a group have their place in landscapes, the details about Rhamnus davurica nipponica specifically are like trying to find a needle in a haystack made of other needles.

What we do know is that it’s a shrub that can handle life in the northeastern United States, given its presence in Connecticut and Rhode Island. But beyond that basic survival story, the specifics about growing conditions, care requirements, and garden performance remain largely mysterious.

Should You Plant It?

Since this plant isn’t listed as invasive or noxious, there’s no environmental red flag waving frantically in the background. However, the lack of readily available information makes it a challenging choice for most gardeners. It’s a bit like ordering something off-menu at a restaurant – it might be fantastic, but you’re taking a leap of faith.

If you’re drawn to unique or uncommon plants, you might find Dahurian buckthorn intriguing. Just be prepared for a gardening adventure where you’ll likely be figuring things out as you go.

Consider Native Alternatives

Given the limited information about Dahurian buckthorn, you might want to consider native shrub alternatives that offer similar characteristics but with well-documented benefits and growing requirements. Native plants in the northeastern region offer reliable performance, support local wildlife, and come with centuries of adaptation to local conditions.

Some excellent native shrub options for Connecticut and Rhode Island gardeners include native viburnums, elderberries, or native dogwoods – plants that come with detailed care instructions and proven track records in home landscapes.

The Bottom Line

Dahurian buckthorn represents one of those botanical mysteries that remind us how much we still don’t know about the plant world. While it’s established itself in a small corner of New England, its garden potential remains largely unexplored territory.

If you’re the type of gardener who enjoys being a plant pioneer, this might appeal to you. But if you prefer plants with well-documented growing guides and predictable behavior, you’ll probably want to stick with better-known species that won’t leave you guessing about their needs.

Dahurian Buckthorn

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rhamnales

Family

Rhamnaceae Juss. - Buckthorn family

Genus

Rhamnus L. - buckthorn

Species

Rhamnus davurica Pall. - Dahurian buckthorn

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA