North America Native Plant

White Thoroughwort

Botanical name: Eupatorium album

USDA symbol: EUAL2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

White Thoroughwort: A Late-Season Native Gem for Your Garden If you’re looking for a native plant that brings life to your garden when most flowers are calling it quits for the season, white thoroughwort (Eupatorium album) might just be your new best friend. This unassuming perennial may not win any ...

White Thoroughwort: A Late-Season Native Gem for Your Garden

If you’re looking for a native plant that brings life to your garden when most flowers are calling it quits for the season, white thoroughwort (Eupatorium album) might just be your new best friend. This unassuming perennial may not win any flashy flower contests, but what it lacks in pizzazz, it more than makes up for in reliability and wildlife appeal.

What Exactly is White Thoroughwort?

White thoroughwort is a native herbaceous perennial that belongs to the aster family. As a forb, it’s a non-woody plant that dies back to the ground each winter and returns faithfully each spring. Don’t let the somewhat medicinal-sounding name fool you – this plant has earned its place in gardens across the country through sheer dependability and late-season charm.

Where Does It Call Home?

This all-American native has quite an impressive range, naturally occurring across 22 states from the Northeast down through the Southeast and into parts of Texas. You’ll find white thoroughwort growing wild in Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Indiana, Kentucky, Louisiana, Maryland, Mississippi, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and West Virginia.

Garden Appeal: More Than Meets the Eye

White thoroughwort produces clusters of small, white flowers arranged in flat-topped displays called corymbs. While each individual flower is tiny, together they create a frothy, cloud-like effect that’s quite charming in a understated way. The real magic happens in late summer and fall when these blooms appear – just when your garden needs a pick-me-up and local wildlife is searching for late-season nectar sources.

Why Your Garden (and Local Wildlife) Will Thank You

Here’s where white thoroughwort really shines: it’s a pollinator powerhouse when it matters most. Those late-summer blooms are like a beacon for butterflies, bees, and other beneficial insects preparing for winter. If you’re trying to create a wildlife-friendly garden or support local ecosystems, this plant is an absolute must-have.

The plant also provides:

  • Late-season nectar when few other flowers are blooming
  • Seeds for birds in fall and winter
  • Habitat and shelter for beneficial insects
  • Natural beauty without high maintenance demands

Perfect Garden Situations

White thoroughwort isn’t picky, but it does have its preferences. It’s ideally suited for:

  • Native plant gardens and naturalized landscapes
  • Wildflower meadows and prairie restorations
  • Rain gardens and areas with occasional moisture
  • Wildlife gardens focused on supporting pollinators
  • Low-maintenance landscape areas

Growing Conditions Made Simple

One of the best things about white thoroughwort is its adaptability. This plant thrives in USDA hardiness zones 4 through 9, making it suitable for most of the continental United States. It prefers moist to wet soils but can tolerate drier conditions once established. Give it full sun to partial shade, and it’ll be perfectly content.

As for soil, white thoroughwort isn’t fussy – it grows in various soil types, though it particularly appreciates areas that stay somewhat moist. This makes it an excellent choice for rain gardens or areas where water naturally collects.

Planting and Care Tips

Good news for busy gardeners: white thoroughwort is refreshingly low-maintenance once it gets settled in your garden. Here are some tips for success:

  • Plant in spring or fall when temperatures are moderate
  • Space plants 18-24 inches apart to allow for natural spreading
  • Water regularly the first season to help establish strong roots
  • Mulch around plants to retain moisture and suppress weeds
  • Cut back in late winter or early spring before new growth emerges
  • Divide clumps every 3-4 years to prevent overcrowding and maintain vigor

Keep in mind that white thoroughwort spreads by underground rhizomes and may also self-seed. This isn’t necessarily a bad thing – it means you’ll get more plants for free! However, if you prefer a more controlled look, simply remove unwanted seedlings or divide clumps as needed.

Is White Thoroughwort Right for Your Garden?

If you’re someone who appreciates native plants, wants to support local wildlife, and enjoys low-maintenance gardening, white thoroughwort deserves serious consideration. It may not be the showiest plant in your garden, but it’s definitely one of the most reliable and ecologically valuable.

This plant is particularly perfect for gardeners who want to extend their garden’s blooming season into fall and provide crucial late-season resources for pollinators. Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region for thousands of years – it just feels right.

So next time you’re planning additions to your native plant garden or looking for something to fill that slightly wet spot in your yard, give white thoroughwort a chance. Your local butterflies will definitely approve.

White Thoroughwort

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Eupatorium L. - thoroughwort

Species

Eupatorium album L. - white thoroughwort

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