Quick Answer
While it's technically possible to use cordage made from poisonous plants, it's not recommended due to the potential for accidental exposure to toxic compounds, which can be released through sweating, friction, or other contact.
Assessing the Risks
When working with plants that contain toxic compounds, assess the risks involved in using their cordage. Plants like poison ivy (Toxicodendron radicans), poison oak (Toxicodendron pubescens), and poison sumac (Toxicodendron vernix) contain urushiol, a common allergen that can cause skin irritation. Even the slightest exposure can trigger severe reactions. When using cordage made from these plants, wear protective gloves and clothing to minimize contact.
Safe Alternatives
Explore safer alternatives for cordage, such as plant fibers from non-toxic species. For example, the bark of the cedar tree (Cedrus spp.) can be harvested for its durable and aromatic fibers. You can also use the fibers from the inner bark of paper birch (Betula papyrifera) or the cordage from the leaves of the nettle plant (Urtica spp.). These alternatives are readily available in many parts of the world and pose minimal risks to health.
Precautions and Protocols
If you do decide to use cordage made from poisonous plants, follow strict protocols to minimize exposure. First, wear protective gear, including gloves, a face mask, and eye protection. Next, harvest the plant material carefully, avoiding any area that appears to be affected by the toxin. If you notice any signs of irritation or allergic reactions during or after processing the cordage, stop immediately and wash your hands thoroughly. In the field, it’s always better to err on the side of caution and opt for safer alternatives.
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