| Place | Rain (24h) | Sun | Humidity Hum. | Wind | |
| Loading... | 0.8in | 918umol | 64% | 4mph | |
| Loading... | 1.2in | 12umol | 84% | 9mph | |
| Loading... | 0in | 18umol | 81% | 11mph | |
Persicaria tinctoria
1919Summary
Persicaria tinctoria is a species of flowering plant in the buckwheat family. Common names include Chinese indigo, Japanese indigo and dyer's knotweed. It is native to Southern China and Vietnam, and has been introduced to other parts of China, as well as Germany, Japan, Korea, Tibet, North and South Caucasus, parts of the Russian Far-East, and Ukraine. The leaves are a source of indigo dye. It was already in use in the Western Zhou period (c. 1045 BC – 771 BC), and was the most important blue dye in East Asia until the arrival of Indigofera from the south....read more on Wikipedia.
Climate
What environment does Persicaria tinctoria prefer?
Natural Habitat
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Traditional Uses
There's also wisdom in how different civilizations used plants throughout the millenia.
And some people put tremendous effort into collecting and preserving it.
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