North America Non-native Plant

Red Clover

Botanical name: Trifolium pratense

USDA symbol: TRPR2

Life cycle: biennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Alaska âš˜ Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in Greenland âš˜ Non-native, reproduces and persists in the wild in Hawaii âš˜ Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Puerto Rico âš˜ Non-native, reproduces and persists in the wild in St. Pierre and Miquelon  

Synonyms: Trifolium pratense L. var. frigidum auct. non Gaudin (TRPRF)  âš˜  Trifolium pratense L. var. sativum (Mill.) Schreb. (TRPRS)   

Red Clover: The European Import That’s Made Itself at Home If you’ve ever walked through a meadow and spotted those distinctive purple-red pom-pom flowers rising above three-leaflet foliage, you’ve likely encountered red clover. This charming little forb has quite the story – it’s traveled far from its European homeland to ...

Red Clover: The European Import That’s Made Itself at Home

If you’ve ever walked through a meadow and spotted those distinctive purple-red pom-pom flowers rising above three-leaflet foliage, you’ve likely encountered red clover. This charming little forb has quite the story – it’s traveled far from its European homeland to become a familiar sight across North America, though it’s important to remember it’s not actually native to our continent.

What Exactly Is Red Clover?

Red clover (Trifolium pratense) is a non-native perennial forb that belongs to the legume family. Don’t let the name fool you – those eye-catching flower heads are more purple than red, appearing as dense, globe-shaped clusters that sit atop stems reaching about 2 feet tall. The leaves are the classic clover shape with three leaflets, often decorated with distinctive white V-shaped markings that make them easy to identify.

Where You’ll Find It Growing

This European and Western Asian native has made itself remarkably at home across North America. You can find red clover growing in virtually every U.S. state and Canadian province, from Alaska to Alabama, and from British Columbia to Newfoundland. It’s even established populations in Hawaii, Puerto Rico, and Greenland – talk about an adaptable traveler!

Red clover typically prefers upland areas rather than wetlands, though it can occasionally pop up in moister spots. It’s most commonly found in fields, meadows, roadsides, and disturbed areas where it can spread freely.

The Good, The Not-So-Good, and The Beautiful

Let’s be honest about red clover’s dual nature. On the positive side, it’s absolutely gorgeous when in bloom from late spring through summer, creating carpets of purple-red that attract bees, butterflies, and other pollinators like magnets. As a legume, it also fixes nitrogen in the soil, essentially fertilizing the ground around it – nature’s own soil improvement program!

The wildlife benefits are notable too. While it’s not a primary food source, red clover does provide about 5-10% of the diet for various large animals, small mammals, and terrestrial birds. However, since it’s non-native, it doesn’t support the complex web of native insects that co-evolved with our indigenous plants.

Growing Red Clover: The Basics

If you’re considering adding red clover to your landscape, here’s what you need to know:

Growing Conditions

  • Sunlight: Full sun (shade intolerant)
  • Soil: Adapts to coarse, medium, and fine-textured soils
  • pH: Prefers slightly acidic to neutral conditions (5.5-7.6)
  • Water: Medium moisture requirements with low drought tolerance
  • Temperature: Hardy to -34°F, needs at least 120 frost-free days

Planting and Care

Red clover is refreshingly easy to grow. It’s typically started from seed, which is readily available commercially. With about 272,160 seeds per pound, a little goes a long way! The seeds have high vigor and don’t require cold stratification, making spring planting straightforward.

Once established, red clover has a rapid growth rate and moderate regrowth after cutting. It’s a short-lived perennial that readily self-seeds, so expect it to spread naturally throughout your garden – sometimes more than you might want!

Design Ideas and Landscape Uses

Red clover works beautifully in:

  • Wildflower meadows and naturalized areas
  • Pollinator gardens (though native alternatives are preferable)
  • Ground cover for larger, informal spaces
  • Areas where you want to improve soil nitrogen naturally

A Word About Native Alternatives

While red clover certainly has its charms, consider exploring native clover species that can provide similar benefits while supporting local ecosystems more effectively. Native alternatives like white wild indigo (Amorpha alba) or various native lupines can offer comparable nitrogen fixation and pollinator support while being perfectly suited to local conditions.

The Bottom Line

Red clover is a beautiful, easy-to-grow plant that can add color and pollinator appeal to informal garden spaces. While it’s not native, it’s not considered invasive or noxious either – it’s simply a naturalized part of the North American landscape. If you choose to grow it, enjoy its cheerful blooms and soil-improving qualities, but also consider incorporating native alternatives to create the most beneficial habitat for local wildlife.

Whether you’re creating a cottage garden, establishing a meadow, or just want some low-maintenance color, red clover might just be the unpretentious charmer your landscape has been waiting for.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

5-10% of diet

Infrequently used as cover

Large animals

5-10% of diet

Infrequently used as cover

Terrestrial birds

5-10% of diet

Infrequently used as cover

Water birds

not a food source

not a source of cover

Sources:

Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife. Sweet Water Press. Birmingham.

Red Clover

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Trifolium L. - clover

Species

Trifolium pratense L. - red clover

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