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Summary
Taxonomic Note: This genus was formerly classified in the family Chenopodiaceae. Modern classifications include it within the Amaranthaceae.
Physical Characteristics

Chenopodium giganteum is a ANNUAL growing to 2.4 m (7ft 10in).
See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from July to September, 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
C. amaranticolor. Coste.&Reyn.
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Leaves Seed
Edible Uses:
Leaves - cooked[46, 61, 105, 177]. Of excellent quality, they are a spinach substitute[74]. The raw leaves should only be eaten in small quantities, see the notes above on toxicity. Seed - cooked. Ground into a powder and used with wheat or other cereals in making bread etc. The seed is small and fiddly, about 1.5mm in diameter[266], it should be soaked in water overnight and thoroughly rinsed before it is used in order to remove any saponins.
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
Other Uses
Dye Wood
Gold/green dyes can be obtained from the whole plant[168]. The stout stems have been used for making walking sticks[266].
Special Uses
References More on Other Uses
Cultivation details
An easily grown plant, succeeding in most soils but disliking shade[1, 200]. It prefers a moderately fertile soil[200]. This species is closely related to C. album[50], and was probably derived from it through cultivation[266]. The tree spinach is sometimes cultivated for its edible leaves[74], there are some named varieties[183]. 'Magentaspreen' is a vigorous plant growing 1.5 metres tall. It has large leaves, the new growth is a brilliant magenta colour. Tastiest when young, the leaves are eaten raw or cooked like spinach[183]. A warm climate is required in order to ripen the seed[74].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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
Native Range
Coming Soon
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.
Conservation Status
IUCN Red List of Threatened Plants Status :
IUCN Red List
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
D.Don.
Botanical References
200266
Links / References
For a list of references used on this page please go here
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