North America Non-native Plant

Odontites

Botanical name: Odontites

USDA symbol: ODONT4

Life cycle: annual

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 âš˜ Non-native, reproduces and persists in the wild in St. Pierre and Miquelon  

Odontites: Understanding This European Annual Wildflower If you’ve spotted small pink or red flowers clustered along roadsides or in disturbed areas across northern North America, you might have encountered odontites (Odontites). This modest annual forb has quietly established itself across many regions, bringing a touch of delicate color to areas ...

Odontites: Understanding This European Annual Wildflower

If you’ve spotted small pink or red flowers clustered along roadsides or in disturbed areas across northern North America, you might have encountered odontites (Odontites). This modest annual forb has quietly established itself across many regions, bringing a touch of delicate color to areas where many other plants struggle to thrive.

What is Odontites?

Odontites is an annual herbaceous plant that belongs to the forb family – meaning it’s a non-woody flowering plant that completes its entire life cycle in a single growing season. Originally from Europe and western Asia, this plant has successfully naturalized across much of Canada and the northern United States, reproducing on its own without human intervention.

You’ll find odontites growing wild in these locations: Alberta, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan, Maine, Massachusetts, Michigan, New York, Vermont, Wisconsin, and Newfoundland.

Identifying Odontites

Odontites presents itself as a delicate annual with narrow leaves and small, tubular flowers that range from pink to reddish in color. The flowers are arranged in elongated, spike-like clusters called racemes, giving the plant an airy, somewhat wild appearance. As a forb, it maintains soft, herbaceous growth throughout its life cycle without developing any significant woody tissue.

Garden Appeal and Landscape Role

While odontites won’t win any awards for showstopping garden drama, it does offer subtle charm in the right setting. Its delicate flowers and naturalistic growth habit make it suitable for:

  • Wild or meadow gardens
  • Naturalized areas
  • Disturbed site restoration
  • Low-maintenance landscape edges

The plant’s ability to thrive in poor soils and challenging conditions makes it particularly valuable for areas where more finicky plants might struggle.

Growing Conditions and Care

One of odontites’ strongest suits is its adaptability. This hardy annual tolerates a wide range of growing conditions, including:

  • Poor, low-fertility soils
  • Full sun to partial shade
  • Dry to moderately moist conditions
  • Disturbed or compacted ground

As a self-seeding annual, odontites requires minimal care once established. It will readily spread and return year after year through natural seed dispersal, making it essentially maintenance-free.

Pollinator and Wildlife Benefits

Despite its modest appearance, odontites does provide some ecological value by attracting small bees and other pollinators to its tubular flowers. The plant’s ability to bloom in areas with limited floral resources can make it a useful addition to the local pollinator buffet.

Should You Plant Odontites?

As a non-native species that has naturalized across North America, odontites occupies an interesting middle ground in the gardening world. While it’s not considered invasive in most areas, it’s also not a native plant that supports local ecosystems as effectively as indigenous species would.

Consider odontites if you:

  • Need something for challenging growing conditions
  • Want a low-maintenance, self-seeding annual
  • Are creating a naturalized or wild garden space
  • Appreciate subtle, cottage garden-style flowers

Native Alternatives to Consider

If you’re looking to support local ecosystems while achieving a similar aesthetic, consider these native alternatives that offer comparable benefits:

  • Wild bergamot (Monarda fistulosa) for pollinator appeal
  • Native asters for late-season color
  • Wild lupine (Lupinus perennis) for spike-like flower clusters
  • Local native grasses for naturalistic texture

The Bottom Line

Odontites represents the kind of plant that quietly fills ecological niches without causing major disruption. While it may not be the star of your garden show, it can certainly play a supporting role in naturalized settings where its hardy nature and modest charm are appreciated. Whether you choose to welcome it or opt for native alternatives, understanding this small but persistent annual helps you make informed decisions about your landscape’s plant community.

Odontites

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Odontites Ludwig - odontites

Species

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