redhead, wait a bit, the best option is to pick it up yourself, You never know if they are last year or 5 years old when you get them from supplier. some herbs are good for two years but I do prefer one year max.
if you grandma is not allergic to anything you can make any combination you want, do not forget about miracle Frankincense for arthritis, then Epsom salts. very effective.
Comfrey is really good herb but right it can not be put on broken skin. It helps with a lot of conditions. not only bone fixer
Comfrey is used as a tea for upset stomach, ulcers, heavy menstrual periods, diarrhea, bloody urine, persistent cough, painful breathing (pleuritis), bronchitis, cancer, and chest pain (angina). It is also used as a gargle for gum disease and sore throat.
Comfrey is applied to the skin for ulcers, wounds, joint inflammation, bruises, rheumatoid arthritis, swollen veins (phlebitis), gout, and fractures.