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Health of Autumn Blaze Maple / Cracking Bark

Question Bark Damage Greetings from the North Carolina piedmont. Im looking for help assessing damage that seems to be progressing with an Autumn Blaze Maple. I had 8 of these trees installed in September,

furit trees

QuestionHi my apple tress, granny smith and peach seem to get leave that turn br, black and take over the whole leaf and most of the plant. it looks like a bad potato chip? Please, I have sprayed a few drops of me

Manchurian Ash in second year

QuestionHi there - we planted a Manchurian Ash last August. Our yard had a drainage issue and the tree was quite over watered. It dropped its leaves early and went dormant. It came back this spring and was looking g

cows urine

QuestionHi,somebody told me that cows urine is very effective for spraying on apple trees.can you tell me what contains the cows urine and is it useful for preventing diseases from apple. AnswerDear Vivek, I was go

pin oak tree

Questionthe leaves on my pin oak, have tan tiny bubbles and if I pick them off , it leaves a hole. is there a spray to use to get rid of this? and also, what harm does these bubbles do? AnswerThese are leaf g

Disease of Lilac Tree

QuestionQUESTION: I have a 5 year old lilac. This spring, after blooming top leaves started turning yellow. Now most of the tree has yellow and green leaves that curl down. Leaves have brown spots

Crepe Myrtle problems

QuestionMy pink crepe myrtles have developed a great deal of yellow leaves and a wet looking covering on most of the green and yellow leaves. What can I do about this? Is there a spray of something to us

Yellow Leaves

QuestionIn April of this year I bought a 2yr old citrus cocktail tree which grows myer lemons, limes, navel oranges, grapefruits, and honey bells. I planted it as instructed and have been using the recommended

ponytail palms

QuestionQUESTION: I have a large number of ponytail palms for many years. One now shows peeling bark and underneath that, is spongy and crumbling material. What could be happening? ANSWER: Hi Sond

Acer saccharum leaf gall (?)

Question leaf Some of the leaves of my healthy appearing tree this year have small green to beige projections, almost all on the upper surface. They are less than a quarter inch long, perhaps the diamet

Chinese Pistache Tree

Question Pistache Tree Pistache Tree Additional photos of Pistache tree from 8/5/12 AnswerAnthony: From your additional photos, I do see additional cracks in the bark with discolored wood beneath. &nb

cucumbersand zucchini

QuestionMy cucumber and zucchini plants look great and have lots of flowers but dont produce any vegetables, whats wrong? AnswerHi Terry, How long have your plants been flowering? If it has only been a few w

photos for earlier note

Question hole in red oak that i Hi there. I sent a question a few days ago and here is a picture to go with it. Im wondering if this white, foamy liquid oozing from my young red oak is white flux

problem with pecan tree

QuestionI have a tree that is full of pecans but leaves are falling and i have 1 or 2 limbs that have a black coating on it. AnswerHi Della, I suspect that your pecan leaves may have an insect problem. I sug

Chinese Pistache problems with leaves

QuestionI have read a few of your comments regarding problems with Chinese Pistache trees. My Chinese Pistaches leaves are turning brown and dropping off. I make sure it is irrigated often because it is

birch tree

QuestionQUESTION: Hi Dr. Vann, We have a few birch trees on our front lawn. One of them produced very few leaves this summer and I noticed that the bark is peeling off the tree. Could you please tell me what I mig

Nematodes

QuestionWill this product help get rid of nematodes in okra in a home garden, if not what do you suggest? AnswerYes it will and I live in Sarasota where nematodes love the sand and my fig trees that they love are n

Rosemary

QuestionAbout this time each year my rosemary bush forms small, white, sappy like balls. Ive trimmed it back, destroyed the branches, but it returns the next year. This year it is on almost every stem an

Phal leaves wilting, curling, spotting on flower

QuestionDear Melissa, My phal has been doing fairly well for a couple of years, but suddenly yesterday, I noticed that one of her middle leaves was wilting. Later in the evening, a bottom leaf below that began curl

grape tree

QuestionQUESTION: Hello: I got two small green grape tree two months ago, planted them next to each other about 5 fts apart. same soil, same amount of sunlight. I notice the tree on the left side is growing ve

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