golden euonymous scale

QuestionJust the other day I found out why my golden euonymous shrubs have lost their leaves. The scale disease. Is it too late to save these plants or should they be replaced before the scale move on to

White powder on mulberry tree

QuestionTrees in Yard QUESTION: Jim - Ive seen similar postings previously, but weve got this white powdery substance coating the mulberry trees in our yard in Austin, TX. I dont know whether this is powde

tangalo and naval trees

QuestionWhy do the oranges, on both trees split and fall off the tree. This is the end of August and the oranges are not ready till the end of the year. AnswerHi Frank Although the exact cause is unknown, fruit s

Fungus?

QuestionI am concerned about some wood I picked up from a friend of mine for wood turning. I am almost positive it is elm and the heartwood looks to be very diseased and spalted (which is why he thought i would li

Globe Willow oozing and turning black

QuestionWe have a globe Willow that is about 3 years old that is oozing clear or white foam and the main trunk and branches are turning black. It is attracting wasps and other bugs and my husband is highly allergic

splitting and peeling bark

QuestionHello Dr. Vann, I have a dwarf orange tree. The canopy has been dying back for the last few years and in the last year the bark on the trunk and branches has been splitting in large pieces. Is it more like

Rid Meyer Lemon Tree of Fungus Gnats?

QuestionI have a Meyer Lemon Tree (2 + tall) that I purchased a few weeks ago from my local Lowes hardware store. I live in Seattle Washington and this tree will be a permanent indoor plant. It is doing really

brown leaves on spider plants

QuestionI have some spider plants that I keep indoors and are hanging from the ceiling in front of windows. I only water once or twice a week. The leaves are turning brown running down the middle of the

privet hedge dieback

Questionvery mature hedges 7-8 feet tall experiencing dieback. smaller hedges nearby doing the same. AnswerHey Larry: Several possibilities. One is there may be a disease organism killing those twigs. Suggest

tree bark turned black

QuestionThere are several dying maple trees in my neighborhood. The bark has turned a uniform flat black color. It does not appear to be powdery. It looks almost like the trees were painted with a flat black paint.

Green Ash Tree in Central Minnesota

QuestionWe had a very bad thunderstorm last night and one of my green ash trees broke in half. The tree looked perfectly healthy on the outside, but I found the condition inside the tree to be light brown in color,

Honey Locust trees

QuestionThree weeks ago, we had two honey locust trees planted by a local nursery in Richmond, VA. The trees were planted in holes prepared in heavy clay soil that was amended with bagged soil and mulched. Since tha

fungus growth at base of bottle brush tree

QuestionThere is a very hard, whitish growth of fungus type substance at the bottom of my 4 yr. old bottle brush tree. It seems to be growing around and through the base branches of the tree. Do you have

webworm/caterpillars

QuestionQUESTION: My neighbor has what I believe to be webworm in her trees. Both trees totally covered in web sacks. Now we have caterpillars everywhere- all over the outside of our house, the yard, the pool. Im sc

Bradford pear infestation

Question Bradford peaar damaged Bark is easily pulled off. Small yellow spots under park. Ants seem to be feeding on them Bark shreds like it was rotted. Leaves turning yellow and are becoming spar

Black powdery substance on gardenia leaves. We are in Casino NSW

QuestionMy Son has a lot of Gardenias and they have a Black podery substance coating the leaves like they have been painted it is an old house and have been here many years. He has sprayed for insects. and if you ho

bugs in tree leaves

Questionwe live in montana and have just noticed there are small black bugs in the leaves of our willow trees and poplar trees. when i checked the internet, it said its a weevil. is it too late to spray them,w

Weeping willow bugs

QuestionThere are tiny black bugs (when killed turns purple) all over my weeping willow tree. Do you know what they are? and how to get rid of them without harming all my humming birds? AnswerKen: Are you abl

airplant pests

Question airplant Hi, I have many airplants and lately some of them have become infested with a tiny soft white pest. I have tried insecticidal soap but the bugs come back within a few days! Will a dishs

Maple tree Infestation

QuestionThere are now three very old large maples on our block (two regular and one red) that all have some type of infestation. There are no insects visible. All you can see is small white cotton like spots on the