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(hardy in zones 4-9)
When to Sow:
Spring/Late Summer/Early Fall
Ease of Germination:
Native to dry woodlands and prairies of North America,
produces small yellow lupin-like flowers in August and September. Wild Indigo contains a similar blue dyestuff to true Indigo (
), but in lower concentrations. Early North American settlers used Wild Indigo to dye clothing in place of the more expensive imported product. Its roots have valuable antiviral properties and can be used for respiratory infections, easing symptoms such as sore throat, catarrh and a runny nose. It can also be used topically on the skin to clear infection. Wild indigo is a source of arabinogalactans which are hemicellulose carbohydrates thathave been studied for their immunostimulatory actions. One way it accomplishes this is by positively influencing the activity of natural killer immune cells. Low activity of these immune cells are associated with chronic fatigue syndrome, low immunity and cancers. Caution should be taken with this herb as large doses can cause toxicity. Germinate seeds indoors, in a greenhouse or cold frame, and transplant to a permanent location in spring. It is very tolerant to drought and poor soil conditions. Deep taproot systems discourage relocation. Prefers full sun. Ht 3-4ft (90-120cm).
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Copyright © 1997-2023 Otto Richter and Sons Limited. All rights reserved.