Herb reference
Chenopodium album L.
Crystalis is a reference resource for herbal, crystal, and somatic practice.
This library is designed to help readers orient, compare, and research. It is not a substitute for medical care or practitioner judgment.
Botanical / meta
An erect annual herb growing 30–150 cm tall with branching stems, angular when young. The leaves are alternate, variable in shape, often roughly triangular to lanceolate with irregularly toothed or lobed margins. A key identifying feature is the white, powdery (mealy) coating on young leaves and stems — this is composed of small bladder-like hairs filled with calcium oxalate crystals. Small, inconspicuous green flowers cluster in dense spikes at the stem tips.
Lamb's quarters is primarily valued as a nutritious wild food rather than a medicinal herb. The leaves are rich in beta-carotene (up to 11,600 IU/100g), vitamin C, calcium, iron, potassium, and protein (up to 4.2% fresh weight). The seeds contain saponins and oil. The plant also contains oxalic acid, nitrates (especially in nitrogen-rich soils), and glycosides. The white mealy coating contains calcium oxalate crystals and may have a protective function.
The practical read
Lamb's quarters is primarily valued as a nutritious wild food rather than a medicinal herb. The leaves are rich in beta-carotene (up to 11,600 IU/100g), vitamin C, calcium, iron, potassium, and protein (up to 4.2% fresh weight). The seeds contain saponins and oil. The plant also contains oxalic acid, nitrates (especially in nitrogen-rich soils), and glycosides. The white mealy coating contains calcium oxalate crystals and may have a protective function.
Route panel
Evidence and safety may differ by preparation. Essential oil, tea, tincture, extract, infused oil, and topical use are not interchangeable.
Quality
Lamb's quarters grows wild in disturbed soil, gardens, and agricultural fields worldwide. If cultivating, sow seeds directly in spring in average garden soil — it thrives in nitrogen-rich soil and full sun to partial shade. Extremely easy to grow; can become weedy. Self-seeds prolifically. Harvest by cutting the top growth before flowering to encourage tender regrowth.
Harvest young, tender shoots and leaves before flowering for best flavor and nutrition. Older leaves become tough and may have a stronger flavor. The white mealy coating is normal and edible. Rinse thoroughly before use. Available as a wild-foraged green; rarely cultivated commercially. Best used fresh; blanch and freeze for longer storage. Nutrient content is highest in plants growing in mineral-rich soils.
Companion
Crystal side
The deeper layer
Clinical and compound notes are included as a research layer, not as treatment instructions.
Contains oxalic acid — individuals with kidney stones, gout, or hyperoxaluria should limit consumption. Nitrates can accumulate in plants grown in nitrogen-rich soils or contaminated environments; high nitrate intake is unsafe, particularly for infants. Do not harvest from roadsides or chemically treated areas due to bioaccumulation of nitrates and heavy metals. The saponin content in seeds may cause gastrointestinal upset in sensitive individuals if consumed in large quantities. Cooking reduces oxalate content and nitrates. Pregnant and breastfeeding women should consume in moderation as a food only.
Questions
Lamb's quarters is primarily a wild food, and its main cautions come from naturally occurring oxalic acid and nitrates rather than drug interactions. People with kidney stones, gout, or hyperoxaluria should limit intake because of the oxalic acid content. Nitrates can accumulate in plants grown in nitrogen-rich or contaminated soils, and high nitrate intake is unsafe, particularly for infants, so it should never be harvested from roadsides or chemically treated areas where nitrates and heavy metals bioaccumulate. The saponins in the seeds may cause gastrointestinal upset in large quantities. Cooking reduces both oxalate and nitrate levels, and pregnant or breastfeeding women should treat it as a food in moderation.
Lamb's quarters is used as a leafy green: young leaves and tender shoots are eaten raw in small amounts or, more commonly, cooked like spinach by steaming, sautéing, or boiling. Cooking is the practical safety step, since it reduces both the oxalic acid and nitrate content that are the plant's main concerns. The leaves are nutrient-dense, supplying beta-carotene (up to about 11,600 IU per 100g), vitamin C, calcium, iron, potassium, and protein (up to roughly 4.2% of fresh weight). The seeds can also be used like a grain after appropriate processing to manage their saponin content. It is treated as a vegetable rather than a dosed herb.
Lamb's quarters is identified by its goosefoot-shaped leaves and the characteristic white, mealy, powdery coating on the youngest leaves and growing tips, which contains calcium oxalate crystals. Quality harvest is tender, vividly green young growth rather than tough, mature, or flowering plants, which become bitter and higher in oxalates. Most importantly, source determines safety: harvest only from clean ground, because plants from nitrogen-rich, roadside, or chemically treated soils accumulate nitrates and heavy metals. The white mealy bloom is a useful identification marker that helps confirm Chenopodium album.
Lamb's quarters is distinct because it is valued as a highly nutritious wild food rather than a medicinal herb, with an unusually dense profile of beta-carotene, vitamin C, calcium, iron, potassium, and protein for a foraged green. Its defining practical considerations are the oxalate and nitrate content typical of the goosefoot family (which also includes spinach and beets), making source and cooking the central concerns rather than dosing or pharmacology. The white mealy coating with calcium oxalate crystals is a family trait that aids identification. Unlike cultivated greens, its safety hinges heavily on where it is gathered.
As a fresh leafy green, lamb's quarters is best used soon after harvest; refrigerated in a breathable bag, the leaves stay usable for several days before wilting, much like spinach. It can be blanched and frozen for longer storage, which also helps reduce oxalate and nitrate load. Dried leaves can be kept in an airtight container, though the plant is most valued fresh or cooked for its vitamin and mineral content, some of which (notably vitamin C) declines with storage and heat. Discard any wilted, slimy, or off-smelling material.
Sources & Citations
Peer-reviewed sources for the pharmacological and clinical claims on this page. Crystalis herb entries describe tradition and current research; they are reference, not medical advice.
SCI
Resource framing
Crystalis is a reference resource for herbal, crystal, and somatic practice.
This library is designed to help readers orient, compare, and research. It is not a substitute for medical care or practitioner judgment.
Clinical and compound notes are included as a research layer, not as treatment instructions.
Evidence and safety may differ by preparation. Essential oil, tea, tincture, extract, infused oil, and topical use are not interchangeable.