North America Non-native Plant

Goutweed

Botanical name: Aegopodium

USDA symbol: AEGOP

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

Goutweed: The Ground Cover That Divides Gardeners If you’ve ever wandered through a shaded garden and noticed a carpet of bright green, three-part leaves topped with delicate white umbrella-shaped flowers, you’ve likely encountered goutweed. This perennial ground cover, scientifically known as Aegopodium, has quite the reputation among gardeners – some ...

Goutweed: The Ground Cover That Divides Gardeners

If you’ve ever wandered through a shaded garden and noticed a carpet of bright green, three-part leaves topped with delicate white umbrella-shaped flowers, you’ve likely encountered goutweed. This perennial ground cover, scientifically known as Aegopodium, has quite the reputation among gardeners – some love its reliability, while others curse its enthusiasm for spreading.

What Exactly Is Goutweed?

Goutweed is a perennial forb, meaning it’s a non-woody plant that dies back in winter and returns each spring. As a non-native species originally from Europe and western Asia, it has made itself quite at home across much of North America. You’ll find this adaptable plant growing in Canadian provinces from British Columbia to Nova Scotia, and throughout most U.S. states from coast to coast.

The plant gets its common name from its historical use in treating gout, though we definitely don’t recommend using it medicinally today! Its scientific classification places it in the carrot family, which explains those distinctive umbrella-shaped flower clusters that appear in late spring and early summer.

The Good, The Bad, and The Vigorous

Let’s be honest about goutweed’s personality – it’s what you might call enthusiastically spreading. This plant reproduces through underground rhizomes, creating dense colonies that can quickly fill large areas. For some gardeners, this is exactly what they’re looking for in a challenging shaded spot. For others, it’s their worst nightmare.

Where Goutweed Shines

Despite its aggressive nature, goutweed does have some redeeming qualities:

  • Thrives in partial to full shade where other plants struggle
  • Tolerates various soil conditions, from clay to sandy
  • Provides nectar for small pollinators like flies, beetles, and some bees
  • Offers attractive foliage coverage throughout the growing season
  • Extremely low maintenance once established
  • Hardy in USDA zones 3-9

Growing Conditions and Care

If you decide to invite goutweed into your garden, here’s what it prefers:

  • Light: Partial to full shade (though it can tolerate some sun)
  • Soil: Adaptable to most soil types, prefers consistently moist conditions
  • Water: Regular moisture, but surprisingly drought-tolerant once established
  • Maintenance: Minimal – perhaps too minimal for some gardeners’ comfort!

Planting and Management Tips

Before planting goutweed, consider these important points:

  • Only plant where you want permanent, spreading ground cover
  • Install root barriers if you need to contain its spread
  • Remove flower heads before they set seed to prevent additional spread
  • Be prepared for long-term commitment – goutweed is notoriously difficult to remove once established

Native Alternatives to Consider

Since goutweed is non-native, you might want to consider these native ground covers that offer similar benefits without the aggressive spreading:

  • Wild ginger (Asarum canadense) for deep shade
  • Pachysandra procumbens (Allegheny spurge) for woodland areas
  • Tiarella cordifolia (foamflower) for attractive flowers and foliage
  • Galium odoratum (sweet woodruff) for fragrant ground cover

The Bottom Line

Goutweed can be an effective solution for challenging shaded areas where you need reliable ground cover. However, its aggressive spreading nature means it’s not suitable for most mixed garden beds or formal landscapes. If you choose to plant it, do so with full knowledge of its vigorous personality and plan accordingly. Many gardeners find that native alternatives provide similar benefits with better ecological value and more manageable growth habits.

Whether you see goutweed as a garden hero or villain often depends on your specific needs and tolerance for enthusiastic plants. Just remember – with great spreading power comes great responsibility!

Goutweed

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

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Aegopodium L. - goutweed

Species

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