As beekeepers we don’t ever want to do anything to harm our bees. Using the weed killer Roundup has been reported to be harmful to bees. There is an article discussing this topic at consumernotice.org which is very balanced and fair.
The recipe for homemade week killer is simple to make with everyday ingredients.
Homemade Week Killer
1/2 gallon of vinegar
1/2 cup of salt
2 tablespoon of dish soap
If you would like to know more, read the full article.