What is the name of the thorn bush that the military uses for natural fencing?

i know the military uses a very nasty thorn bush around some instalations as a natural fence.i would like to buy some for my back yard to keep the critters out of my garden but none of the local nursery experts i have talked to locally have any idea what im talking about.the last guy i talked to said none of his suppliers even sell thorn bush seeds or plants.where could i buy them even if i do figure out what there called?|||try planting hawthorns they have long barbed thorns they are very strong plants they can be topped year after year they will grow to be very dense and strong. mature hawthorns can have thorns up to 3 inches they are very Strong and very sharp|||Hawthorn is not a %26quot;bush%26quot;, it%26#039;s a tree. Try a pyracantha. It%26#039;s a shrub that can be kept somewhat low to the ground when pruned back hard. The common name is %26quot;firethorn%26quot;.. Just for your info.. Report Abuse
|||Multiflora Rose can be used as a natural fence but keep up with it or it may take over your backyard.|||Crimson Barberry. This hedge is ornamental, sharp and thorny. It grows fast and is inexpesive to maintain.|||I think probably the Barberry bush. It has deep Burgundy leaves, produces a deep red berry, which is toxic if eaten by humans, and is filled with thorns. This is used as a decorative bush, but is also an %26#039;owie%26#039; bush. Wear gloves when trimming. It is somewhat attractive, but animals beware when crossing. Those are available in Michigan at all the Kmart, Walmart and the local nurseries.|||you must be talking about a braw berry but a better sugestion would be a bush form holly something that looks good in winter and summer like a blue princess they bloom twice a year and are easy to care for landscaper in tennessee|||try planting AROMA tree. Most military bases plant this as a natural fence. it has a bigger, longer, and sharper torns.|||i%26#039;m not sure what they%26#039;re using, but it sure sounds like fire thorn, which is native to the s.e. usa. be careful as it gets invasive very quickly.