Q: One of my new Japanese tree lilacs -- just planted late this spring -- is struggling. It looks like the leaves are browning and curling, especially around the edges. Some branches are pretty much ...

All across the region this year, lilacs were affected by a fungal disease called pseudocercospora, which got its start during ...

Dear Carol: Our lilac tree is almost 15 years old. It sits in direct sun on our level front lawn with good drainage. I add new mulch every year. Within the past two years it has started to show a ...

On my young shade tree, two branches suddenly zoomed up that are taller than the rest. Should I cut them back to the same height as the others? Answer: Your tree has produced two leaders. Generally ...

THE lilac chaste tree, or vitex, is seeing a revival of this great, old-fashioned plant, which some consider a small tree and others describe as a large shrub. Known botanically as Vitex agnus-castus, ...

A desire to tidy up the garden and do something outdoors — even before anything much is really happening there yet, garden-wise — drives many of us out to prune now. Good. March is a fine time for ...

Syringa reticulata is native to Japan and is commonly called Japanese tree lilac. Although a lilac, this member of the species is quite different in appearance than those with which gardeners are more ...

Would you know if a tree lilac has an extensive, aggressive root system like the common lilac? I am thinking of planting a tree lilac to provide shade for some plants. (email reference) Tree lilacs ...

Japanese Tree Lilac (‘Syringa reticulata’), more simply called Tree-lilac, is a tree native to Japan, introduced to the U.S. around 1880. It is a smallish tree, usually 20- to 30-feet tall, with stiff ...