annual

Lamb's Quarters

The Story

Plant Bio

Chenopodium album is a fast-growing, erect summer annual characterized by its strongly branching stems and a distinctive mealy, white powdery coating on young growth. The alternate leaves vary from lanceolate to rhombic-ovate with irregularly serrate margins, while the small, green to grey-green flowers form dense, paniculate clusters at the stem tips.

This highly adaptable species thrives in disturbed soils across a wide pH range and demonstrates notable tolerance to moderate drought and light frosts. Its prolific seed production allows a single plant to release tens of thousands of long-lived seeds, which can persist in the soil seed bank for decades.

Uses & Benefits:

Provides a unique grey-green, mealy texture to wild or naturalistic plantings.

Young leaves are edible and can be harvested as a wild spinach substitute.

Seeds serve as an abundant food source for ground-feeding songbirds, game birds, and small mammals.

Essentials

At a Glance

Plant Type

Annual

Height

98"

Width

39"

Light

Full Sun

Zones

4, 5, 6, 7, 8, 9, 10

Water

Low to Moderate

Humidity

High

Lifespan

Annual

Native To

Eurasia

Toxicity

Toxic to livestock in large quantities

Bloom period

Summer – Fall

In flower about 6 months of the year

Planting

How to Grow

Sow seeds directly into disturbed, well-draining soil in a location receiving full sun after the danger of hard freeze has passed.
Refrain from applying supplemental fertilizers, as this species easily extracts sufficient nutrients from poor or compacted soils.
Monitor soil moisture and water only during prolonged dry spells, as established plants possess moderate to high drought tolerance.
Hand-pull or cultivate the soil to remove unwanted plants before the green flower spikes mature and release seeds.

Pro Tip

Eradicate plants mechanically or with selective herbicides well before flowering; allowing even a single specimen to set seed ensures decades of persistent weed pressure in the surrounding soil.

Keep It Thriving

Care Guide

Do

Remove flowering spikes before they mature to prevent aggressive self-seeding.
Wear gloves if sensitive to pollen, as the plant can trigger seasonal allergies.
Provide full sun exposure to ensure robust growth.

Don't

Do not overwater or plant in poorly drained, waterlogged soils where root rot develops.
Do not allow livestock to graze on large stands of this plant due to high oxalate and nitrate levels.
Do not apply nitrogen-rich fertilizers, which can cause excessive nitrate accumulation in the foliage.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harvest
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Foraging GardenRevegetation

Companion Plants

Spinacia oleracea Beta vulgaris Atriplex hortensis

Multiply

Propagation Methods

Good to Know

Common Questions

Lamb's Quarters questions

What zones can Lamb's Quarters grow in?

Lamb's Quarters is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Lamb's Quarters deer resistant?

Not reliably. Deer may browse Lamb's Quarters, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Lamb's Quarters bloom?

Lamb's Quarters typically blooms in summer through fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Lamb's Quarters need full sun?

Lamb's Quarters does best in full sun (6+ hours).

Is Lamb's Quarters drought tolerant?

Yes — once established (usually after the first full season), Lamb's Quarters handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.