North America Non-native Plant

Lambsquarters

Botanical name: Chenopodium album

USDA symbol: CHAL7

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Alaska âš˜ It's either native or not native 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˜ It's either native or not native in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in St. Pierre and Miquelon  

Lambsquarters: The Underappreciated Edible Annual Worth Knowing If you’ve ever wondered about that common weed growing in your garden beds or along pathways, chances are you’ve encountered lambsquarters (Chenopodium album). This humble annual forb might not win any beauty contests, but it’s earned a special place in the hearts of ...

Lambsquarters: The Underappreciated Edible Annual Worth Knowing

If you’ve ever wondered about that common weed growing in your garden beds or along pathways, chances are you’ve encountered lambsquarters (Chenopodium album). This humble annual forb might not win any beauty contests, but it’s earned a special place in the hearts of foragers and practical gardeners who appreciate its edible qualities and easy-going nature.

What Exactly Is Lambsquarters?

Lambsquarters is an annual forb—a non-woody plant that completes its entire life cycle in one growing season. As a member of the goosefoot family, it’s characterized by its distinctive triangular to diamond-shaped leaves that often have a powdery white coating on their undersides. The small, greenish flowers appear in dense, branching clusters that aren’t particularly showy but serve an important purpose for pollinators.

This adaptable plant originally hails from Europe and Asia but has made itself at home across North America. While it’s considered non-native, it’s been reproducing spontaneously in the wild for so long that many gardeners encounter it as a familiar volunteer in their gardens.

Where You’ll Find Lambsquarters

Lambsquarters has an impressively wide distribution across North America. You can find it growing from Alaska down to Hawaii, and from coast to coast in the continental United States. It’s equally at home in Canadian provinces from British Columbia to Newfoundland. This extensive range speaks to the plant’s remarkable adaptability to different climates and growing conditions.

Growing Conditions and Habitat Preferences

One of lambsquarters’ greatest strengths is its flexibility when it comes to growing conditions. This plant typically prefers upland sites—meaning it usually grows in non-wetland areas, though it can occasionally tolerate some moisture. It thrives in:

  • Full sun to partial shade
  • Disturbed soils and garden beds
  • Various soil types, from sandy to clay
  • USDA hardiness zones 2-11 (as an annual)

Lambsquarters is particularly fond of nitrogen-rich soils, which explains why it often pops up in vegetable gardens and composted areas. Its drought tolerance once established makes it a low-maintenance addition to any growing space.

Why Gardeners Might Want Lambsquarters

While lambsquarters won’t dazzle you with ornamental appeal, it offers several practical benefits:

  • Edible leaves: Young leaves are nutritious and taste similar to spinach
  • Pollinator support: Small flowers provide nectar and pollen for bees, flies, and other beneficial insects
  • Easy care: Requires virtually no maintenance once established
  • Self-seeding: Will reliably return year after year if allowed to set seed

Growing and Care Tips

If you decide to cultivate lambsquarters intentionally, here’s what you need to know:

  • Direct seed in spring after the last frost
  • Scatter seeds lightly on prepared soil surface
  • Water gently until established, then rely on natural rainfall
  • Harvest young leaves regularly for the best eating quality
  • Allow some plants to go to seed if you want them to return next year

Keep in mind that lambsquarters self-seeds enthusiastically, so you may find it spreading beyond where you originally planted it.

A Word About Native Alternatives

While lambsquarters is a useful plant that’s well-established in North American ecosystems, gardeners interested in supporting native biodiversity might consider these indigenous alternatives:

  • Native amaranth species (Amaranthus spp.)
  • Wild spinach or saltbush (Atriplex spp.)
  • Native goosefoot species specific to your region

These native plants can provide similar benefits while supporting local wildlife and maintaining regional ecological integrity.

The Bottom Line

Lambsquarters may not be the most glamorous addition to your garden, but it’s a practical, low-maintenance plant that offers real benefits. Whether you’re interested in wild edibles, supporting pollinators, or simply understanding the plants that volunteer in your garden space, lambsquarters is worth getting to know. Just remember that if you choose to grow it, be prepared for its enthusiastic self-seeding habits—this is one plant that definitely knows how to make itself at home!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Arid West

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Atlantic and Gulf Coastal Plain

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Eastern Mountains and Piedmont

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Great Plains

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Hawaii

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Midwest

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Northcentral & Northeast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Western Mountains, Valleys, and Coast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Lambsquarters

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 album L. - lambsquarters

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