How do I get rid of termites from a garden bed?

I have a garden bed elevated surrounded by bricks. It has been infested with termites for some years now. Last year, I put down termite pellets and sprayed poison on the places where they mostly were. It didn't solve the problem and they ate and destroyed a rosebush. There are many "treatments" for termites in the garden store, but which one is best and what is the best meathod to eliminate them from my garden and from ever coming back?

How do I get rid of termites from a garden bed?
I would look for the stuff you put in the ground as stakes. Those plastic stakes have a sustance they eat and take back to their nest and that sterilizes the nest, so they de off pretty fast. But I have never heard of termites eating a live rose bush before, so I am wondering if the reason your termite solution did not work is because these are something else. I would mix 1 Tablespoon Boric Acid (from first aid section of pharmacy) with 1 Tablespoon Sugar and 1/3 Cup of water. Mix this up, put it in a paper cup with the the lip cut down close to the mixture and then place this in the bed. Cover it with a pot but nor tightly - you want the insects to find it. If they take this home to share, it will dessicate the nest and kill them that way.
Reply:Don't use pine mulch in your landscaping. I made that mistake but am slowly getting rid of it. Fortunately not close to the house. I have heard of the salt and soapy water before, don't know if they work. Wal-Mart and the hardware stores all sell stuff that are suppose to kill them, but you gotta get rid of their food supply. (and I really liked the look of the pine bark mulch)
Reply:Termites are attracted to wood. Especially from things like old roots from dead trees. Do your best to remove things like this from the garden bed. The standard treatment today is the use of a product called Termidor. Termidor has been tested by the EPA since 1994 and has a 100 percent control rate for termites in the United States. Termidor is safe around children and pets and has no offensive odors. The active ingredient in Termidor is fipronil, which has been used extensively on dogs and cats for flea and tick control. You will have to get a licensed professional out to apply this. There are other more organic treatments that you may want try. . Check these two links out below.
Reply:buy some epsom salt and sprinkle it on were the termites are and spray some ordanary soap water on them