Poison ivy does not have thorns or prickles on the stems. Poison ivy may have jagged edges to the leaves, but the edges will never look serrated (with tiny spikes). Poison ivy leaves are not fuzzy.

Poison sumac is a deciduous shrub or small tree, so its leaves turn red in the autumn and drop off. In terms of allergic reactions, it can be worse than poison ivy or poison oak. Poison sumac is ...

Poison oak is very similar, with leaves of three and no thorns. Poison sumac, which is less common and is usually found in wetlands, grows as a small tree and exhibits red stalks and smooth-edged ...

About 250 gm of the chemical stuffed into a hole on a tree trunk is enough to kill the plant. The closer the hole is to the root, the deadlier the effect of the chemical. If copper sulphate is applied ...