Q: I have a 3-year-old Burgundy plum tree. The leaves became yellow in March so I applied KeRex iron to the soil when I first noticed the problem. Now the new leaves do not show any yellow in them ...

Your plum problems could have a variety of causes. As you discovered, plum trees’ early spring flowers are vulnerable to late frosts. It is best to locate these trees in full sun and away from ...

If your plum tree is bleeding sap, it may be affected by canker, or by other forms of fungal or bacterial diseases, like pseudomonas.

When should I spray my purple-leaf plum tree for the mites and disease they seem to get every year? A: That is a problem-prone tree, in my opinion. The dark leaves are nice, but it usually ends up ...

One of the most common causes of plum tree problems is the lack of a co-pollinator. If there isn't another plum tree in the area that flowers at the same time, then pollen transfer can't take place.

For the past two years, my plum tree has produced plenty of fruit, but they all drop off while still very small. What am I doing wrong? – P.L. Samuels, Norfolk Do we have a plum tree? We thou… ...

The most common plum tree diseases include black knot, plum pocket, brown rot, plum pox virus, perennial canker, and bacterial leaf spot. Control of black knot requires both prevention and sanitation.

Black knot is one of the most common diseases affecting cherry and plum trees in Maine, according to officials of the University of Maine Extension’s Plant Disease Diagnostic Laboratory.

A: That lemon tree grows in a big pot, about 10-gallon size. It stays outside in a sunny spot until night temps are in the 40s, then gets some kind of protection.

Japanese plum yew offers solutions to many landscape problems: deep shade, evergreen, groundcover, deer resistant, drought-resistant, takes pruning, needs little pruning, clay soils, heat-tolerant ...