Aphids on quaking aspen trees

QuestionI have three quaking aspen I planted about six years ago which are not fully mature yet. Each of the last three years the leaves have been covered with small green aphids that attract yellow jackets in great

Viburnum Problems

QuestionOn one of my viburnum shrubs (snowball)the leaves have white/grayish spots on the upper surface and eventually the leaves turn black, curl and fall off. There are also some of the same white spots on t

GARDINIA BUSH

QuestionMy Gardenia leaves have all turned brown and dropped off. It was beautiful this spring. Loaded with flowers. Then in the last week 3 weeks appears to be dead. My neighbor has the same

maple tree without many leaves

Question2 years ago, I bought a house with a maple tree, which I guess is approx. 35-40 years old. Although there are lots of leaves on the outer branches, there are no leaves at all on the inner branches. &nb

Cedar Apple Rust Fungus

QuestionHello, Does this fungus render the fruit unsafe to eat? What about any other fungi on apples? I think my problem stems from a juniper tree I have in the front yard which affect

dogwood tree disease

Question dogwood I have a very young dogwood that i planted in March 2008..it has been doing good up until approx 1 month ago, when i started seeing the edge of the leaves turning brownish and crispy, there are also

Dying Poplar tree

QuestionQUESTION: William, I have 2 big Poplars in front of my house. One is really thin now and leaves are dropping and looks like it is dying. They both have discoloration around the base of their tru

Gardenia plant with mold

QuestionQUESTION: What can be done with a gardenia plant that appears to have white mold growing on some branches and continues to lose leaves and have branches die. ANSWER: Hi there.I am a tree man but I found an

King Palm disease

QuestionHello, I have two king double king palms that have developed some kind of disease or scaling on only one of the trees. The scaling looks pink and has a residue powder to it with a very odd smell.  

insect eggs all over my river birch

QuestionIt is a young birch and the eggs are all over the lower leaves. what are they and will the tree live? AnswerYou may be describing aphid insects. Look at them closely and see if they will move wh

Aloe Vera with spots....

QuestionI have had Aloe Vera growing in my Garden for years and never had a problem, but now the leaves have what looks like black spot(like you would get on roses) all over them and the tips of the leaves are wilti

Adenium Obesum (Desert Rose)

QuestionDesert Rose Base QUESTION: I live in NC (Raleigh) and purchased the plant in August. It is in a plastic pot and I have been waiting to bring it in to transplant to clay one. I have noticed a soft spot

Problem

QuestionHi, I have a plant which we call a money tree it is now a large plant about 12 years old and is situated in my house. Recently I have noticed a hard white speckle on the leaves of some of the plant. Do you k

smell from yucca tree roots?

Questionwe removed old roots from some yucca trees in the yard and there is an extremely foul odor. the gardener informed me that the roots are all dead now and the smell will go away. its been 2 weeks and the

Camellia

QuestionHi Jim, I have a camellia hedge that needs help. The leaves branches and trunk are covered with black mildew I have sprayed it with white oil and the mildew comes off if sprayed hard with water, but it

privet problem

QuestionWe have about about 400 ft of 80 year old, well groomed privet hedge. This week we discovered 3 plants had branches totally covered with a white powdery substance. It does not appear to have effected t

crape myrdle brown edged leaves

QuestionHi, My young crape myrtle hardly flowered this year and has had brown laced leaves for a few months now. I live in San Jose, CA. Our yard is watered , but the tree is planted up in a scrub area,

Mass Cane

Question Mass Cane! David. I have a beautiful Mass Cane plant (indoor)that, I think is affected by a fungus. One of the canes top has become very soft and the leaves attached to that cane have turned yel

black spots on leaves of autumn maple

QuestionWe live in Wisconsin and have an Autumn Blaze maple. We noticed tiny balls on some of the leaves. The colors of the tiny bumps are pale green, redidsh or dark black. Is this a disease or an

brown spots on Lilac tree

QuestionHello: we live in NJ and planted a 8ft. Lilac tree in November...it had good flowering and grew a bit but we now notice that it has brown coloring on its leaves and does not look healthy...what can we do? A