Bradford pear trees

QuestionI have 9 Bradford pear trees lining one side of my corner lot that were planted 20 years ago. During this time, only one has been replaced. The replacement tree (8 years ago) never shaped like al

weeping mulberry tree dripping

QuestionKathy, I pruned our weeping mulberry tree (fruitless) because it had a fungus and it now drips from its pruned areas of the bigger branches. Is this normal or should I really be concerned. I had

oak trees

Questionthe oak trees outside my house should be fine because it is raining a lot, but the bark is falling off the trees and i am trying to find if it is because the council are trying to kill them off by putting ta

Lilac leaves turning yellow/light green

QuestionHello- I need some help figuring out what might be wrong with my lilac shrub. I planted 2 shrubs this spring, one is doing great and the other not so good. The lilac leaves are turning yellow or light green

Clear sticky liquid oozing from lemon tree

QuestionI have a clear sticky liquid oozing from the leaves of my lemon tree...this tree was from a cutting...any help? AnswerHi Cecelia, you have aphids on your citrus and it sucking the sap from the leaf. I

Key lime tree

QuestionI live in the Los Angeles area. I have a dwarf Key Lime tree in a pot. It is a very very large pot about 20 gal. The tree is in full sun, Southern exposure. I got the tree 5 years ago. The

Improved Meyer Lemon Disease

Question Lemon About 2 years ago I had bought 3 citrus trees; a lime, improved Meyer lemon, and a Eureka lemon. All trees were potted in planters, each tree maybe a foot and a half tall. The Eureka died

redwood turning yellow

Questionthe 60 yr old redwood in my yard has about 1*/8th of the needles turned yellow, which I have never seen over the past 19 yrs. is it sick? thanks! AnswerRoger: This symptom may indicate a potent

Dying Oak Trees

QuestionWe have an oak tree that seems to be dying. Its acorns have not developed and the leaves appear to be turning brown on the outside edges but green (still) in the middle. We had another oak tree,

Apricot Tree Borers

QuestionHello, My apricot tree is nearly dead and Ive seen several borers on it. Though I cant save the tree at this point, Im wondering if there is something I should do about the borers to keep them from moving

Oak tree leaf concern

QuestionQUESTION: Hi I own 41 ac in Town of Dakota, Waushara Cnty, WU and recently went up to visit my land. Many of the oak trees had what appeared to be a white substance starting at center of leaf and

Gall

QuestionQUESTION: Here in Sedona, Arizona, we found what we believe are galls on a tree (Holly Tree?) and are trying to identify the insect. Can I send picture somewhere?. ANSWER: Craig: This web site has the opt

Our maple tree

QuestionOur maple tree which is approx. 20-30 yrs. old is losing limbs from the bottom up. We have lived here for almost 10 years and the tree has always been healthy. This is the first season that we have had any p

Mulberry Tree problem

QuestionWe have a mulberry tree that apparently has a bore in it. The leaves on some parts of the tree are gone. Is there any way to save it? About 1/3 of the tree is affected. AnswerI would treat the tree with an

Oak tree in florida

QuestionI live in Central Florida...I just noticed on my oak tree a blanket of cobweb, however, its not from a spider. It looks like I have bark lice...is this normal in Florida? I read its mostly found

yellowing of peach leaves

QuestionMy two year old peach tree has all leaves turned yellow and has stooped growing tall. Please do let me know the reasons and the remedy. Thanks. H S Parekh Dublin, CA 94568 AnswerThere may be several issues

Holly bush dying

Question Sick Holly Plant_Page_ Hello, we have 2 holly bushes in our backyard, one of which (the male) appears to be dying or dead. The second bush is starting to show the same yellow leaves that the first bus

gall or caterpillar growth on lilac

QuestionMy 4 yr lilac has withering leaves and a section of dying? limbs. I found what looks like a brown hollow? caterpillar cocoon or tiny hive approx. 2 in by 1 in in diameter. Is it some type of insect or a dise

Meyer Lemon Tree disease?

Question Meyer Lemon 1 My otherwise healthy plant is looking ill on about 1/2 of its branches. It is in a container outside. Please see pictures. Do you think this is an insect or disease issue? &n

Ming Aralia

QuestionUnderside of Aralia QUESTION: I have an Aralia that has recently developed bumps on the underside of the leaves. I have attached a photo. They appear to be part of the plant as I have not