North America Non-native Plant

Seaport Goosefoot

Botanical name: Chenopodium opulifolium

USDA symbol: CHOP

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  

Synonyms: Chenopodium album L. var. viride (L.) Moq. (CHALV)  âš˜  Chenopodium suecicum auct. non Murr (CHSU8)  âš˜  Chenopodium viride L. (CHVI21)   

Seaport Goosefoot: An Unassuming Annual Worth Knowing Meet seaport goosefoot (Chenopodium opulifolium), a humble annual that might already be growing in your garden without you even realizing it. This unassuming member of the amaranth family has quietly made itself at home across North America, popping up in disturbed soils and ...

Seaport Goosefoot: An Unassuming Annual Worth Knowing

Meet seaport goosefoot (Chenopodium opulifolium), a humble annual that might already be growing in your garden without you even realizing it. This unassuming member of the amaranth family has quietly made itself at home across North America, popping up in disturbed soils and forgotten corners with the persistence of a true survivor.

What Exactly Is Seaport Goosefoot?

Seaport goosefoot is an annual forb—essentially a soft-stemmed, herbaceous plant that completes its entire life cycle in one growing season. Originally hailing from Europe and western Asia, this adaptable little plant has established itself across much of North America, from British Columbia down to Texas and from coast to coast.

You might also encounter this plant listed under several historical names in older gardening references, including Chenopodium viride or Chenopodium album var. viride, though botanists have since settled on Chenopodium opulifolium as the accepted name.

Where You’ll Find It Growing

This cosmopolitan species has established populations across 17 states and provinces, including California, New York, Texas, Ontario, and British Columbia, among others. It’s particularly fond of disturbed areas, vacant lots, roadsides, and anywhere the soil has been turned over recently.

Recognizing Seaport Goosefoot

Don’t expect flashy flowers or show-stopping foliage from seaport goosefoot. This plant embodies the less is more philosophy with its modest appearance:

  • Triangular to diamond-shaped leaves with a distinctive gray-green color
  • Whitish, mealy coating on the undersides of leaves that gives them a frosted appearance
  • Small, greenish flower clusters that are more functional than ornamental
  • Overall bushy growth habit typical of many goosefoot family members

Should You Grow Seaport Goosefoot?

Here’s where things get interesting. While seaport goosefoot isn’t going to win any beauty contests, it does have some practical qualities that might appeal to certain gardeners:

The case for growing it: This plant is incredibly tough and drought-tolerant, making it useful for challenging spots where other plants struggle. It’s also edible (young leaves can be cooked like spinach), though it’s not particularly flavorful.

The case against it: Let’s be honest—seaport goosefoot lacks ornamental appeal and can spread readily by self-seeding. Since it’s not native to North America, it won’t provide the same ecological benefits as indigenous plants.

Native Alternatives to Consider

If you’re drawn to the idea of a hardy, low-maintenance annual but want to support native wildlife, consider these indigenous alternatives:

  • Lamb’s quarters (Chenopodium album) – Actually, this is also non-native, but try native amaranths instead
  • Wild spinach species native to your region
  • Native Atriplex species (saltbush) for similar drought tolerance

Growing Conditions and Care

If you decide to work with seaport goosefoot (or it decides to work with you by showing up uninvited), here’s what it needs to thrive:

  • Sunlight: Full sun for best growth
  • Soil: Adaptable to various soil types, including poor, disturbed soils
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Hardy annual that adapts to various temperature zones

Planting and Maintenance Tips

The truth is, seaport goosefoot rarely needs human intervention to establish itself. If you’re intentionally growing it:

  • Direct sow seeds in spring after the last frost
  • Barely cover seeds with soil—they need light to germinate
  • Thin seedlings to prevent overcrowding
  • Water sparingly; this plant prefers lean conditions
  • Be prepared for self-seeding in subsequent years

The Bottom Line

Seaport goosefoot is one of those plants that’s more likely to choose you than the other way around. While it won’t transform your garden into a showplace, it serves as a reminder that sometimes the most successful plants are the ones that ask for the least. Whether you embrace it as a low-maintenance ground cover or gently discourage it in favor of native alternatives is entirely up to your gardening philosophy and goals.

Just remember: every plant has a story, and seaport goosefoot’s tale is one of quiet persistence and adaptation. That’s worth something, even if it’s not Instagram-worthy.

Seaport Goosefoot

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

Caryophyllales

Family

Chenopodiaceae Vent. - Goosefoot family

Genus

Chenopodium L. - goosefoot

Species

Chenopodium opulifolium Schrad. ex W.D.J. Koch & Ziz - seaport goosefoot

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