North America Non-native Plant

Garden Sorrel

Botanical name: Rumex acetosa thyrsiflorus

USDA symbol: RUACT

Life cycle: perennial

Habit: forb

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

Synonyms: Rumex thyrsiflorus Fingerh. (RUTH3)   

Garden Sorrel: Understanding Rumex acetosa thyrsiflorus in Your Landscape If you’ve stumbled across the botanical name Rumex acetosa thyrsiflorus while researching plants for your garden, you might be wondering what exactly this plant is and whether it belongs in your landscape. Let’s dive into what we know about this particular ...

Garden Sorrel: Understanding Rumex acetosa thyrsiflorus in Your Landscape

If you’ve stumbled across the botanical name Rumex acetosa thyrsiflorus while researching plants for your garden, you might be wondering what exactly this plant is and whether it belongs in your landscape. Let’s dive into what we know about this particular variety of garden sorrel and help you make an informed decision about whether it’s right for your gardening goals.

What is Rumex acetosa thyrsiflorus?

Rumex acetosa thyrsiflorus, commonly known as garden sorrel, is a perennial forb that belongs to the buckwheat family. As a forb, it’s a non-woody plant that lacks significant woody tissue above ground—think of it as an herbaceous plant that comes back year after year. You might also see it referenced by its synonym, Rumex thyrsiflorus Fingerh.

Where Does It Grow?

This particular variety of garden sorrel is not native to North America. It’s what botanists call a naturalized plant—meaning it was introduced from elsewhere but has established itself in the wild and reproduces without human intervention in both Canada and the lower 48 states.

Currently, you can find Rumex acetosa thyrsiflorus growing in several regions including Manitoba, New Brunswick, Nova Scotia, Ontario, Quebec, Saskatchewan, and Michigan. It has adapted to life in North American climates and persists in these areas.

Growing Conditions and Habitat Preferences

One interesting characteristic of this plant is its flexibility when it comes to moisture. In the Northcentral and Northeast regions, it has a facultative wetland status, which is a fancy way of saying it’s happy in both wet and dry conditions. This adaptability makes it quite versatile, though it can also contribute to its ability to establish in various environments.

Should You Plant It?

Here’s where things get a bit tricky. While Rumex acetosa thyrsiflorus isn’t currently listed as invasive or noxious, its non-native status means it doesn’t provide the same ecological benefits as native plants would in your garden. Native plants have co-evolved with local wildlife, pollinators, and soil organisms over thousands of years, creating important relationships that support local ecosystems.

Native Alternatives to Consider

Instead of planting this non-native sorrel, consider these native options that can provide similar benefits while supporting local wildlife:

  • Wild ginger (Asarum canadense) for shaded, moist areas
  • Wood sorrel (Oxalis species) native to your region
  • Native sedges and rushes for wet areas
  • Regional native wildflowers that thrive in similar conditions

The Bottom Line

While Rumex acetosa thyrsiflorus might seem like an easy-to-grow perennial option, choosing native plants for your garden is generally the better path forward. Native plants support local pollinators, birds, and other wildlife in ways that non-native species simply cannot match. They’re also typically better adapted to local climate conditions, which often means less maintenance for you as a gardener.

If you’re drawn to the idea of growing sorrel-type plants, research what’s native to your specific region. Your local native plant society, extension office, or native plant nursery can help you identify beautiful, ecologically beneficial alternatives that will thrive in your specific growing conditions while supporting the local ecosystem.

Remember, every plant choice we make in our gardens is an opportunity to create habitat, support biodiversity, and contribute to the health of our local environment. Why not make those choices count by going native?

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Northcentral & Northeast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Garden Sorrel

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Rumex L. - dock

Species

Rumex acetosa L. - garden sorrel

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