Usually at any garden center, hardware store, or farm/feed store.
If the twine is made from a natural fiber, like hemp, sisal or even cotton, then it is biodegradable.Some twine is made of plastic. This is not biodegradable.
The most common natural fibers (or crops) that twine is made from would include cotton, hemp, jute, and sisal. Other fibrous plants and crops can also be used (like the coir from coconuts), and twine can even be spun and made from synthetic fibers (like nylon).
The term can be applied to any thin cord, usually 2 or more strands twisted together. Twine can be cotton, hemp, nylon,or jute (which is used to make burlap).
Twine is not an object or a plant. You find sisal first, then you make twine on a crafting bench.
You collect it from your sheep.
In the Arts and Craft's world, many things use hemp, the more well known are rope in various sizes, (from small twine to huge ropes that moor large Ocean going vessels) its used to make rugs, mats, purses, macrame', shades, just to name a few. Hemp comes from a plant in Asia, the stem has the long fibers which we use.
FYI - found Organic hemp aprons here here: http://www.apronstore.com/hempaprons.htm
At a garden center, hardware store, or feed store.
Diy twine rugs are easy crafts that you can make out of twine by braiding.
Jem suggests that they not take the ball of gray twine from the knothole as it may be someone else's hiding spot or treasure. He feels that it is important to respect the mystery surrounding the knothole and leave the twine where they found it.
Twine is made from both plants and synthetic fibers. The two products are mixed to together to make the final twine product.
The plural form of hemp is hemp.