Image: AI generated
Giant Lambsquarters Plant Care
Chenopodium giganteum D.Don
Updated · Sources · How we source care data
Chenopodium giganteum, also known as tree spinach, is an annual, upright many-branched forb with a stem diameter of up to 5 cm at the base, that can grow to a height of up to 3 m.
Every 3–5 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Giant Lambsquarters?
Water Giant Lambsquarters every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 4 months during the growing season.
What Is the Giant Lambsquarters?
Giant Lambsquarters (Chenopodium giganteum) belongs to the Amaranthaceae family within the Chenopodium genus. Giant Lambsquarters is also known as Tree Spinach.
Giant Lambsquarters displays an upright annual herb growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Giant Lambsquarters produces small, inconspicuous flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Giant Lambsquarters?
Chenopodium giganteum requires watering every 3–5 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 3–5 days
Let soil partially dry between waterings
What Light Does the Giant Lambsquarters Need?
Giant Lambsquarters thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Giant Lambsquarters Prefer?
Chenopodium giganteum grows best at temperatures of 60–80°F. Giant Lambsquarters prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Giant Lambsquarters?
Well-draining sandy loam with added organic matter. Good drainage is essential for Giant Lambsquarters to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Giant Lambsquarters?
Feed Giant Lambsquarters every 4 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 4 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Giant Lambsquarters?
Annual repotting in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Giant Lambsquarters?
Giant Lambsquarters can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to lambs quarters plant care, which shares the same genus.
Is the Giant Lambsquarters Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Giant Lambsquarters, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Giant Lambsquarters?
Giant Lambsquarters is susceptible to aphids, leaf miners, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Giant Lambsquarters Need?
Giant Lambsquarters grows outdoors in USDA Zone 11b – 13b. It survives winters down to planting zone 11b. In cooler regions, grow Giant Lambsquarters as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 11b – 13b
Keep exploring plants
Giant Lambsquarters is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Chenopodium genus — compare its care with other Chenopodium species on PlantoScan.
Chenopodium is part of the Amaranthaceae plant family — browse all Amaranthaceae genera and species.
Giant Lambsquarters thrives in bright light and direct sun — see other bright-light plants.
More Chenopodium Species
Other Chenopodium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Chenopodium giganteum D.Don, family Amaranthaceae (first published in Prodr. Fl. Nepal. : 75 (1825)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Giant Lambsquarters, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 11b – 13b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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