We recommend that you either wait at least one year before planting edibles where Bifen IT has been sprayed or that you excavate the soil in the area you want to plant. You can also create raised garden beds where you would be bringing in fresh soil media.
Yes, Bifen IT is labeled for bed bugs. You will use 1 fl. oz. per gallon of water.
We would also recommend using an IGR (insect growth regulator), such as Gentrol. You will use this every two weeks until you do not see any activity for 30 days. This will stop the bed bugs from reproducing. You will use 1 fl. oz. per gallon of water.
Please let us know if you have any additional questions.