Q. I have several old apple trees in serious need of pruning. When is a good time to do this?
Q. I have ash trees on my property that are doing poorly and haven't been healthy for the last few years. Do I have Emerald Ash Borer?
A. Ash trees can be afflicted by many different disease and insect problems, such as anthracnose, verticillium wilt, ash flower gall, rust, ash yellows, and borers. Early infestations of Emerald Ash Borer are very difficult to detect.
Q. Will arborvitae grow in the shade?
Q. My Ash tree is going to be taken down and I would like to replace it with another tree of similar ornamental value. What trees would you recommend to plant in its place?
Q. When is the best time to prune a cherry tree?
Q. Quite a few trees on my property are chlorotic. Is there a particular fertilizer I can use to eliminate this problem?
Q. How can I display a live Christmas tree this year?
Q. Is it possible to grow dwarf citrus trees indoors in the winter without a greenhouse? I have a large, sunny patio where they could spend the summer months.
Q. Every year my crabapple leaves get brown spots on them which cause the leaves to fall off of the tree before the end of the summer.
Q. My crabapple trees (and those of many of my neighbors) have suffered from a disfiguring disease for several years.
Q. What accounts for the different autumn color displays in trees and shrubs?
Q. Is it necessary to regularly fertilize my trees and shrubs? If so, how often should it be done?
Q. Where is the best location to plant a Japanese maple?
Q. The roots of my maple tree are growing above the soil surface. Why has this happened and what can I do about it?
Q. How and when should a crabapple and peach tree be pruned?
Q. When is the best time of year to prune my trees and shrubs?
Q. Where is the best location to plant a redbud?
Q. I have recently installed a soaker hose system throughout my garden. How long do I let the water run in order to water adequately?
Q. Is there anything special that I need to do before planting a tree?
Q. Are there advantages to routinely spraying my trees with oils?
Q. What are the current guidelines for planting trees and shrubs in the fall?
Q: How often should I fertilize the roots of my trees and shrubs?
A: As a general rule, it is not necessary to use synthetic fertilizers for trees and shrubs unless the plants exhibit a nutrient deficiency. Good soil nutrition and a two-inch layer of compost, such as leaf mulch, placed around your trees and shrubs on a yearly basis should be sufficient for good plant health.
Q. We are thinking about getting a live, not cut, holiday tree this year.
What do you recommend?
Q. Is there anything that I can do to prepare my trees and shrubs for winter?
Q. Is it true that some viburnums will not be affected by the viburnum leaf beetle?
Q. Is there is anything I can do now in the garden to make next spring’s work easier?
A. Here are some general recommendations for tasks to do now to prepare for next spring:
Q. I noticed that the maples in my neighborhood have black spots on them. Are the trees sick?
Q. I have noticed frost cracking on my sycamore. What, if anything, should I do about it?