No, it's glyphosate. RoundUp does make a poison ivy killer that contains a small amount of triclopyr along with a healthy dose of glyphosate, but that's not what I use. I'm totally confused as to why you think glyphosate is less effective or an unwise choice for use against woody plants. I have extensive experience (from use in commercial landscaping as well as my arboretum) with its use for this purpose, and have found it highly effective in almost all circumstances. Its use for this purpose is extensive throughout the commercial landscaping industry, multiple aspects of public horticulture, farming, and home use. Every ag extension site I've seen that discusses using specific herbicides to eradicate woody plants, lists glyphosate as their main or one of their main recommendations. I'm honestly not trying to be a smart alec when I say that not recognizing its use for this purpose seems to me to be akin to saying water is not recommended as a drink. I just don't understand it. Triclopyr can be faster acting than glyphosate and is more selective. It can kill most broadleaf plants while missing grasses and sedges when applied at normal use rates. These facts do not, that I can see, make it better for this application. If you want to use a triclopyr product, please do. I don't care what you use, but I do know what glyphosate is a great option.

Hi i recently dug up 5 sumacs for at a friends place. I wasn't sure if i should only take the smaller ones, but ended up taking larger ones.I planted them early in the spring, before the buds got large & opened ( I think the end of april- as they leaf later that other tree's) The smallest one is approx 4 ft high, and the other 4 are 7-8 ft high. I just made sure that i got as much of the main root, and smaller of shoots as possible. Once planted i watered them every day for about 2 wks ( although one that i planted in out back yard- i never once watered after i planted it- and it even took), and the other 4 all took with no problems.I was very surprised. I had researched it for some time, checking out other garden sites etc on the web on their care, the positive's & negatives of planting them. The only draw back people advised me of that i also knoew about was the suckers you'd get. All the advise i've gotten is that they just cut them off with trimmers of the lawnmauer - and the sucker doesn't grow back.The suckers only needed to be delt with about once every year- and grow fairly close too the surface of the ground ( 6inches or so). They do need space too grow, but as long as your willing to put up with the suckers, and the care of these, sumacs do provide a nice accent too one garden.Great fall colour etc good luck

Tree of heaven has a very smooth edge to the leaflet. It also has a notch at the base of eack leaflet. Black walnut has a serated edge to the leaves that are about like a butter knife. Sumac also has smooth margins on the leaflets but does not have the single ear or notch at the base. I have found the best way to kill the TOF is to drill holes in the wood slanting downward and fill them with weed killer. Do this every week for a month and it's a goner. Cut them live and you will have ten instead of one. If you are still having trouble try this site it is great for identification, easy to use and lots of pictures! http://www.oplin.org/tree/index.html

I have several of the plants and love them all. From early spring when the fresh leaves come out, they are that lime-green colour. As the season progresses, they change to yellow, orange, red. they last until the hard frost. Yes, there are suckers which are easy to control. You can pull them out or if on the grass, the lawnmower takes care of them. I want to grow more so I learned the hard way, the only time you can dig up the suckers and transplant them is when the plant is dormant. So, when all the leaves are off. If you try to transplant any other time, the sucker dies. And FYI, I live in Ontario, Canada in zone 5. Hope that helped. BTW, I grow them in beds.