North America Non-native Plant

Manyseed Goosefoot

Botanical name: Chenopodium polyspermum

USDA symbol: CHPO

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  

Manyseed Goosefoot: An Unassuming Annual for the Adventurous Gardener If you’re looking for a plant that won’t steal the spotlight but might quietly fill in those forgotten corners of your garden, meet manyseed goosefoot (Chenopodium polyspermum). This modest annual forb might not win any beauty contests, but it has its ...

Manyseed Goosefoot: An Unassuming Annual for the Adventurous Gardener

If you’re looking for a plant that won’t steal the spotlight but might quietly fill in those forgotten corners of your garden, meet manyseed goosefoot (Chenopodium polyspermum). This modest annual forb might not win any beauty contests, but it has its own understated charm for gardeners who appreciate the subtle side of nature.

What Is Manyseed Goosefoot?

Manyseed goosefoot is an annual forb, meaning it’s a non-woody plant that completes its entire life cycle in one growing season. As a member of the goosefoot family, it’s related to more familiar plants like spinach and quinoa, though you probably won’t be adding this particular cousin to your dinner plate.

This plant is a non-native species that originally hails from Europe and Asia but has made itself quite at home across North America. It reproduces on its own in the wild and has established persistent populations throughout much of the continent.

Where Does It Grow?

Manyseed goosefoot has spread across a impressive range of locations, thriving in both Canadian provinces and U.S. states. You can find it growing in British Columbia, Manitoba, New Brunswick, Ontario, Quebec, Saskatchewan, California, Colorado, Illinois, Iowa, Maine, Maryland, Massachusetts, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Tennessee, Vermont, and Wisconsin.

Should You Plant Manyseed Goosefoot?

Here’s where things get interesting. Manyseed goosefoot isn’t exactly what you’d call a showstopper. Its tiny, greenish flowers and small leaves create a delicate, almost ethereal presence rather than bold visual impact. Think of it as the garden equivalent of background music – pleasant and unobtrusive.

This plant tends to thrive in disturbed soils and areas where other plants might struggle. If you have a spot with poor soil that needs some green coverage, manyseed goosefoot might step up to the challenge. However, since it’s not native to North America, you might want to consider native alternatives that would provide similar benefits while supporting local ecosystems.

Native Alternatives to Consider

Before settling on manyseed goosefoot, consider these native options that might serve your garden better:

  • Lamb’s quarters (Chenopodium album) – though this can also be weedy
  • Wild spinach species native to your region
  • Local native forbs that thrive in disturbed soils

Growing Conditions and Care

If you do decide to grow manyseed goosefoot, you’ll find it’s refreshingly low-maintenance. This adaptable annual prefers:

  • Full sun to partial shade
  • Disturbed or poor soils (it’s not picky!)
  • Areas with good drainage
  • Minimal fertilization

The plant typically self-sows readily, so once you have it, you’ll likely have it for years to come – which could be either a blessing or a challenge, depending on your gardening goals.

Wildlife and Pollinator Value

While manyseed goosefoot won’t attract clouds of butterflies, its seeds can provide food for small birds and other wildlife. The flowers are wind-pollinated rather than insect-pollinated, so don’t expect it to be a major pollinator magnet.

The Bottom Line

Manyseed goosefoot is one of those plants that might find you rather than the other way around. If it appears in your garden naturally, it’s generally harmless and can add subtle texture to wild or naturalized areas. However, for intentional plantings, native species will typically provide greater ecological benefits and better serve local wildlife.

Whether you embrace this quiet annual or prefer more dramatic garden stars is entirely up to your personal gardening philosophy. Sometimes the most interesting gardens are those that celebrate both the bold and the understated.

Manyseed 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 polyspermum L. - manyseed goosefoot

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