Chenopodium giganteum

Chenopodium giganteum is a ANNUAL growing to 2.4 m .
It is hardy to zone 5. It is in flower from July to September, and the seeds ripen from August to October. The species is hermaphrodite and is pollinated by Wind.
Suitable for: light , medium and heavy soils. Suitable pH: acid, neutral and basic soils. It cannot grow in the shade. It prefers moist soil.