Carrotwood tree and thrip

QuestionI just purchased a carrotwood tree to replace a 35 yrs old myoporum which has been stricken w/the thrips that have reached San Luis Obispo county, CA. It occurs to me now to ask if it will be vic

crape mrytle bush

QuestionI just purchased this bush and after it was planted I noticed some kind of sack attached to the stems. It looks like a worm or something inside. What is this? How do I prevent this if they are harmful.

mulberry tree curlling leaf disease

QuestionI live in western Colorado and have numerous mulberry trees.Many of the trees have some type of disease that causes the leaves to curl and stunt the growth of the tree. Any suggestions as to the cause/cure?

Two Questions

QuestionHello Dr. Vann. I have two questions that I would like answers to. I have a magnolia bush. About 30% of the leaves are starting to curl. What can I do to prevent this problem? A

Cherry Tree Ailing

QuestionIn the past two weeks almost two thirds of the leaves on my cherry tree have turned brown and died. On closer examination this morning I noticed multiple sites on the trunk that are oozing small to cop

fruitless mulberry leaves yellowing

QuestionAt least for now, the yellowing seems to be isolated to one fork of the tree.They are quickly yellowing & falling. Weve had a cool,damp spring, with a sudden turn to 95-105 degree weather.I did spray my yard

Pin Oaks

QuestionI have several pin oaks and two of them have problems, one with dying branches that have long deep splits in the limbs on dead and live branches. The other has tips of limbs dying with the last leaves and a

droppings around potted ficus tree

Question ficus droppings Greetings, I am mystified by droppings I find each morning all around my potted ficus. The tree is about 5 feet tall and is situated on a second floor covered patio. The tree is heal

Brown spots on leaves of Water Oaks

QuestionThe leaves on my water oak are starting off with brown circular spots, some directly in the middle of the leaf while others are on the outer fringes of leaf. Recently the leaves of the entire tree turn

wood worm!!!

Questionmy mature lilac appears to have wood worm . Is this likely ? is there anything i can easily do - a wooden fence is supposed to be replaceing the hedge that was until recently covering the wood worm AnswerMa

sick Pachypodium

QuestionHi, I have a Pachypodium lamerei that has developed a blackish growth tip and leaves. It is ~2 feet tall in a 6 clay pot and has been happy and a fast grower up until recently. The problem began

Mushrooms at base of tree

Question Fungus at base of tree We have an elm tree, I think its a chinese elm which is about 10 years old. Last year, a storm caused one of the large branches to break. A tree service was able to remove

apricot s

QuestionWe have recently purchased a home with an old apricot tree in the yard. There is sap coming from some of the branches and the fruit, which is a lot, all seems to have little brown spots or blemeshes at the s

Aloe Barbadensis Diseases

QuestionIve had my Aloe plant for a little over eight months. It was doing fine until recently. The leaves began turning brown at the tips. For awhile, it remained at just the tips, so I ignored it. Now however some

Strange growths on my trees.

Questiongrowths QUESTION: I have what I believe to be a Thuja trees (approximately 30) that some have recently developed the pictured growths. I have had and gotten rid of bag worms before but these dont real

veg garden

QuestionI have a yellowish fluffy substance around my green bean, tomatoes, and radishes. Can you please let me know what this is and if it is harmful to eat my vegs? AnswerHi Jennifer, slime mold, most likely- the

leaf wilt on kwanzan cherry tree

QuestionIt has been extremely hot in Pennsylvania, with 29 days over 90 degrees, and over two weeks without rain. The leaves on my 3 year old Kwanzan cherry have suddenly drooped, many have holes in them, and some h

Populus tremuloides

QuestionKathy: I have three 3-Y/O quaking aspens in my front yard (Reno, NV - east side of house), and this yr they have begun to exude a shiny liquid substance onto the ground. Their leaves also appear to ha

white substance on trunks of white pine

QuestionQUESTION: I have noticed a white hazy substance on three pine trees in our yard. The trees are about 40 feet tall and the white haze is consistent from about 15 feet upwards but skips each branch area.

Dwarf lime

QuestionA 3 year old dwarf lime, not in pot, about 3 1/2 feet tall was doing well for the first 2 years. Here, in a cooler, windier part of San Rafael, CA. it suddenly has developed leaf curling, browning to blacken