Yes, it is often considered a garden weed, but it is also a valuable edible plant.

You can steam or sauté the young leaves just like spinach.

Plant guide

Lambs quarters.

Chenopodium album

Pronounced ken-oh-POH-dee-um AL-bum

Also known as Common Lambsquarters, Fat Hen, Fat-hen, Giant Fat-hen

Common Lambsquarters — Photo by zebedeugalinha (CC BY) via iNaturalist

Lambs quarters is a hardy annual plant often found growing in disturbed soils and gardens. It is widely recognized for its edible leaves that taste similar to spinach. You will find it grows quite quickly during the warmer months.

Another photo of Lambs quarters — Photo by Barrie (CC BY) via iNaturalist

At a glance

Care level: Easy
Plant type: Annual herb
Light: Full sun
Indoor light: Direct sun
Water: Every 3 to 7 days
Mature size: 3 to 6 feet
Growth rate: Fast
Hardiness: USDA 2 to 11
Bloom time: Mid summer to early autumn

Care

This plant thrives in full sun and prefers well drained soil. Keep an eye out for aphids or leaf miners that might enjoy the foliage. It is a prolific self seeder so pull it before it flowers if you want to control its spread.

Watering: Keep the soil consistently moist but not waterlogged for the best leaf production.
Feeding: A balanced organic fertilizer helps if the soil is poor.
Pruning: Pinch back the growing tips to encourage a bushier habit and more leaves.
Repotting: This is an annual plant that completes its life cycle in one season so it does not require repotting.
Soil: Loamy or sandy soil
Soil pH: 6.0 to 8.0
Temperature: -10 to 35°C
Humidity: 30 to 70%
Drought tolerance: Moderate
Lifespan: Annual, typically 1 year
Deer and rabbits: Moderate

Safety

People: The plant is generally safe to eat, but high concentrations of oxalates can be problematic for individuals prone to kidney stones.
Children: There are no specific safety concerns for children, though it is always wise to supervise foraging activities.
Contact allergens: Some individuals may experience mild skin irritation from handling the foliage.
Airborne allergens: The pollen can be a significant allergen for those sensitive to Chenopodium species.
Edibility: Leaves contain oxalic acid, so they should be cooked and consumed in moderation to avoid potential health issues.

How to identify it

Diamond shaped leaves with wavy margins
White mealy coating on leaf undersides
Erect stems with reddish streaks
Small green flowers in dense clusters

Height: 0.3 to 1.5m
Spread: 0.15 to 0.6m
Leaves: green, grayish-green, deciduous
Flowers: green, 0.1 to 0.3cm
Fruit: black, Autumn

Problems to watch for

Downy mildew · Appears as yellow patches on leaves during periods of high humidity.

By symptom

Plant problems by symptom

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Growing it

Propagation: seed
When to plant: spring
Overwintering: The plant dies back completely after the first hard frost, leaving only seeds behind to germinate in the spring.
In containers: It grows well in large containers, but it is rarely grown this way due to its status as a common weed.

Direct Sowing

1. Sprinkle seeds on disturbed soil in early spring.
2. Lightly cover with soil.
3. Keep moist until germination.

Let it grow in the corners of your garden to provide food for birds and beneficial insects.

Grows well with

Tomato · It can act as a trap crop for certain pests.
Corn · It grows well in the same nutrient rich conditions.

Similar species

Quinoa · They share the same genus and similar leaf structure.

Science

Family: Amaranthaceae
Genus: Chenopodium
Order: Caryophyllales
Class: Magnoliopsida
Native range: Europe and Asia, though it is now naturalized globally.
Conservation: It is a widespread and common weed, so there are no conservation concerns.

It is a pioneer species that quickly colonizes disturbed ground and nutrient rich soils.

Value to wildlife: larval host plant, seed source for birds
Pollinators: bees, beetles
Uses: culinary greens, forage crop, wildlife food

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Light: 8/9
Temperature: 5/9
Moisture: 5/9
Nutrients: 8/9

Taxonomy resolved against GBIF.

Questions people ask

Is it a weed?: Yes, it is often considered a garden weed, but it is also a valuable edible plant.
How do I eat it?: You can steam or sauté the young leaves just like spinach.

Where the name comes from

The name Chenopodium comes from the Greek words for goose and foot, referring to the leaf shape, while album means white.

Good to know

It is a close relative of quinoa.
The leaves are covered in a fine, mealy white dust.
A single plant can produce tens of thousands of seeds.
It thrives in disturbed soils and garden beds.

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This guide was generated with AI on October 19, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.