There are many interesting natural fibers that can be used to make twine.
It would be interesting to cultivate a garden of twine fiber crops.
Some of the more common fiber crops used for twine include...
• Abacá or Manila Hemp (Musa textilis) in the Banana family (Musaceae)
• Cabuya or Fique (Furcraea spp.) in the Agave family (Agavaceae)
• Coir (Cocos nucifera) in the Palm Family (Arecaceae)
• Cotton (Gossypium spp.) in the Mallow Family (Malvaceae)
• Hemp (Cannabis sativa) in the hemp Family (Cannabaceae)
• Henequen (Agave fourcroydes) in the Agave family (Agavaceae)
• Jute (Corchorus capsularis, C. olitorius) in the Mallow Family (Malvaceae)
• Kenaf (Hibiscus cannabinus) in the Mallow Family (Malvaceae)
• Ramie (Boehmeria nivea) in the Nettle Family (Urticaceae)
• Sisal (Agave sisalana) in the Agave Family (Agavaceae)
• Walis (Sida rhombifolia) in the Mallow Family (Malvaceae)