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Summary
Slimleaf goosefoot is one of the most important Indigenous grain plants of the American West, valued especially for its abundant, nutritious, easily processed seeds. Native to arid and semi-arid regions across western North America, it thrives in dry soils, disturbed habitats, and open sagebrush or juniper communities. Historically, it was a major food resource for groups including the Paiute, Apache, and other peoples of the Great Basin and Colorado Plateau. While the leaves are edible after cooking, the seeds are the true prize—comparable in flavour and utility to quinoa and pitseed goosefoot. Its slender leaves make leafy harvests time-consuming, but seed production is high, reliable, and accessible. Slimleaf goosefoot remains one of the best wild grains in the Southwest, well suited to foragers and ecological gardeners alike.
Physical Characteristics

Chenopodium leptophyllum is a ANNUAL growing to 0.6 m (2ft) by 0.3 m (1ft in).
See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from July to October, and the seeds ripen from August to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Homotypic Synonyms: Botrys leptophyllus (Moq.) Nieuwl. C. album var. leptophyllum Moq.
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Leaves Seed Shoots
Edible Uses:
Leaves edible when boiled; seeds are excellent—nutritious, abundant, and comparable to quinoa. A major traditional food plant and one of the best wild grains of the region. Leaves and young shoots - raw or cooked and eaten like spinach[46, 61, 95, 105, 161, 257]. The raw leaves should only be eaten in small quantities, see the notes above on toxicity. Seed - cooked. It can be ground into a powder and mixed with wheat or other cereals in making bread etc[46, 61, 95, 105, 161, 257]. The seed is small and fiddly, about 1mm in diameter[270], it should be soaked in water overnight and thoroughly rinsed before it is used in order to remove any saponins. Edible Uses & Rating: Both leaves and seeds are edible, though the seeds are the primary food resource. Leaf yield is modest because of their narrow shape, and their flavour can be acrid when eaten raw. Cooking improves palatability, and leaves can serve as a passable potherb in mixed greens. Seeds, however, are outstanding: abundant, flavourful, nutritious, store well, grind easily, and cook into an excellent porridge or flour. Among the wild goosefoots of the Southwest, slimleaf goosefoot ranks near the top for seed quality, comparable to pitseed goosefoot and slightly superior to Fremont’s goosefoot. As a seed plant, it deserves a high edibility rating, especially for autumn foraging [2-3]. Taste, Processing & Kitchen Notes: Fresh leaves have a slightly bitter or acrid edge, common to many Chenopodium species, but lack the resinous flavour found in Dysphania. Boiling reduces both bitterness and oxalates, producing a mild, green vegetable similar to a stronger spinach. Because leaves are narrow, large quantities must be harvested to make a meaningful serving. Seeds are small but produced in great abundance. They vary from reddish-brown to nearly black and possess a thin seed coat that softens quickly during cooking. Toasting the seeds before boiling enhances their nutty aroma and reduces any earthy notes. Cooked seeds resemble a miniature quinoa, with a pleasant, grain-like texture and a subtle natural sweetness. The seeds grind easily into flour for breads, mush, pancakes, or thickening soups. Winnowing is straightforward because seed clusters dry cleanly on the plant [2-3]. Seasonality (Phenology): Slimleaf goosefoot emerges in late spring following warmth and moisture. Vegetative growth accelerates in early summer, with flowering typically beginning in mid-summer. Seeds mature from late summer into autumn. The seed heads remain on plants for several weeks after drying, allowing for flexible harvesting. Leaves can be gathered throughout the growing season, though the youngest spring and early-summer leaves are the mildest. In drought years, plants may remain small but still produce viable seed. Safety & Cautions (Food Use): Like all Chenopodium species, slimleaf goosefoot contains oxalates and saponins, particularly in the leaves. These anti-nutrients are reduced by boiling. Seeds are generally safe but should be cooked to improve digestibility. Because this species lacks the toxic essential oils of Dysphania, it is considered safe when consumed in normal foraging quantities. Individuals with kidney disorders should avoid excessive consumption of raw leaves [2-3]. Harvest & Processing Workflow: Leaves are best harvested young in late spring or early summer. Wash thoroughly to remove dust, then boil briefly to reduce oxalates. For seeds, wait until inflorescences dry and turn brown. Strip seed heads by hand, rub gently to free seeds, then winnow to remove chaff. For cooking, toast seeds lightly in a dry pan before boiling or add directly to soups, porridges, or mixed grain dishes. Dried seeds store well for months in sealed containers. Cultivar / Selection Notes: There are no formal cultivars, but Indigenous seed selection historically produced more productive local strains. Modern gardeners may similarly improve their local populations by saving seed from the largest, most seed-heavy plants. Look-Alikes & Confusion Risks: Slimleaf goosefoot can be confused with young tumbleweed (Salsola spp.), Russian thistle, or other slender Amaranthaceae members. However, tumbleweeds have spiny textures as they mature, while slimleaf goosefoot remains soft and pliant. It may also resemble other Chenopodium species, but none share its distinctly narrow, linear leaves combined with its mild scent and upright, delicate habit. Aromatic Dysphania species can be ruled out by scent alone. Traditional / Indigenous Use Summary: Slimleaf goosefoot was a significant food plant among several Indigenous nations, particularly those of the Great Basin, Colorado Plateau, and Plains margins. Seeds were collected in quantity, winnowed, ground into flour, and used for porridges, cakes, breads, or mixed with other grains. Its seeds were sometimes traded regionally. Leaves were occasionally cooked as vegetables, though they were less important than seeds. The plant’s abundance and reliability positioned it as a dependable seasonal staple.
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
None known
References More on Medicinal Uses
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Other Uses
Dye
Gold/green dyes can be obtained from the whole plant[168]. It is suitable for dryland gardens, permaculture guilds, and experimental grain plots. Ecology & Wildlife: Slimleaf goosefoot produces nutritious seeds eaten by many birds, including quail and finches, as well as by small mammals. The plant serves as early-successional vegetation following disturbance and helps stabilize loose soils. Its presence contributes to the food web of rangeland ecosystems, particularly in areas recovering from fire or grazing pressure.
Special Uses
References More on Other Uses
Cultivation details
Slimleaf goosefoot stands among the top wild grain-producing plants of the Southwest. Its slender leaves offer modest green vegetable value, while its seeds provide a highly nutritious, easily prepared, and culturally significant food resource. Adaptable, drought-tolerant, and abundant, it is one of the most rewarding Chenopodium species for foragers, gardeners, and anyone interested in traditional plant foods of the West. Growing Conditions: This species thrives in dry, open habitats and tolerates drought far better than many related species. It grows in sandy, gravelly, or alkaline soils and favours full sun, low fertility, and moderate disturbance. It is common in sagebrush flats, juniper foothills, dry washes, desert margins, and abandoned agricultural areas. Too much moisture or rich soil can produce taller plants with weaker stems but does not harm edibility. Habitat & Range: Slimleaf goosefoot is native across western North America, including Arizona, New Mexico, Utah, Nevada, Colorado, Wyoming, and Montana, extending into the Great Plains. It occupies a wide band of semi-arid ecosystems, particularly those dominated by sagebrush and grasses. It is also abundant in dry meadows, disturbed canyon bottoms, and open scrublands. It is one of the characteristic goosefoots of western rangelands. Size & Landscape Performance: Plants typically reach 20–60 cm, though exceptional individuals in favourable soils may approach 70 cm. The species is visually understated and weedy in habit. In gardens or food forests, it grows as a self-seeding annual “volunteer grain.” It rarely becomes problematic and integrates easily into dryland polycultures. Its slim profile allows it to coexist with other herbs without shading them severely. Cultivation (Horticulture): Slimleaf goosefoot grows easily from seed and requires minimal care. It is suitable for dryland gardens, permaculture guilds, and experimental grain plots. Irrigation is unnecessary except during establishment. Plants benefit from periodic soil disturbance that reduces competition. As with quinoa, selecting seed from larger, more robust individuals may gradually improve yields over several seasons. Pests & Problems: Few pests target this species due to its mildly bitter leaf chemistry. Drought is rarely harmful, though extreme dryness may limit seed size. Overly rich soils can reduce seed concentration in favour of excess vegetative growth. Otherwise, it is a hardy, resilient plant. Cultivar / Selection Notes: There are no formal cultivars, but Indigenous seed selection historically produced more productive local strains. Modern gardeners may similarly improve their local populations by saving seed from the largest, most seed-heavy plants. Pollination: As with other goosefoots, pollination is primarily by wind. Flowers are small and inconspicuous, producing abundant pollen to ensure strong seed set in open habitats. Identification & Habit: Slimleaf goosefoot forms slender, upright plants that branch sparingly or moderately depending on moisture. Typically 20–60 cm tall, it has a narrow, somewhat wiry appearance, with thin stems and very narrow, linear to lanceolate leaves—much slimmer than most other Chenopodium species. Leaves are alternate, often less than 5 mm wide, and may appear bright green, gray-green, or lightly mealy depending on environmental conditions. Plants rarely produce the dense dusty coating seen in species like C. album, but a faint mealy texture may be present on younger growth. Inflorescences develop as delicate clusters of tiny greenish flowers arranged in narrow spikes or loose panicles. As seeds mature, the seed heads thicken and darken, often taking on reddish-brown tones. Overall, the plant’s slender stature and thread-like leaves make it one of the easiest goosefoots to recognize.
References Carbon Farming Information and Carbon Sequestration Information
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Plant Propagation
Seed - sow spring in situ. Most of the seed usually germinates within a few days of sowing.
Other Names
If available other names are mentioned here
Slender goosefoot, narrowleaf goosefoot, slimleaf lambsquarters, Narrow Leaved Goosefoot, Slim leaf goosefoot
Native Range
NORTHERN AMERICA: Canada (Yukon, Alberta (south), Manitoba (south), Saskatchewan (south)), United States (Alaska, Maine, Oklahoma, Colorado, Idaho, Montana, Oregon, Washington, Wyoming, New Mexico, Texas, Arizona, California, Nevada, Utah), Mexico (Baja California (Norte), Chihuahua, Nuevo León, Sonora)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it's worth checking.
This plant can be weedy or invasive. Noted in parts of southern USA. As a disturbance-loving species, slimleaf goosefoot can spread modestly in agricultural soils or garden beds. However, it does not typically form dense monocultures and is easy to manage by hand-pulling. Its presence in a garden often indicates open soil, low competition, and good seed dispersal rather than aggressive behaviour.
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed for the IUCN Red List. other Threatened and Endangered Information: Ohio
(slender goosefoot)
Presumed Extirpated. Rhode Island
(goosefoot)
Special Concern.
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
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Expert comment
Author
(Moq.)Nutt.
Botanical References
43270274
Links / References
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Subject : Chenopodium leptophyllum
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