deseases in orange plants

Questionsir, we have orange garden. these days some oranges in orange crop r turning orange in colour earlier than their normal time and falling down from trees. sir, one more thing their is a very little hole in o

Kumquat tree

QuestionSome branches on our kumquat tree are turning brown and drying out. There is also a golden sap flowing from some of the joints in the affected area of the tree. Should I just use a horticultural

Brown arborvitaes

Question Brown arborvitaes Hi Steve, this is my follow up question on the arborvitaes (the old converse Dying Garden doesnt except continued follow ups). Here is the photo of the trees. Not only the interior, but th

Red Tips in Trouble

Question Red Tip Trunk Please see the attached photo. Several of our red tip shrubs have this at the base of the plant and the upper leaves are beginning to droop. What is it and what can be done? Thank

orange tree problems

QuestionMy new orange tree (2 years) has black specks covering the under side of most of the leave. What is it and how do I get rid of it? AnswerGene: Can you take a closeup photo of a leaf or two and send for me t

sick fruitless mulberry

QuestionQUESTION: Hi, We have several fruitless mulberries in our yard in East Contra Costa County, CA. We lost one a few years ago after several years of a slowly progressing problem where the leaves

Gardenia

QuestionIts getting cold at night so Ive decided to take my gardenia plant indoors. Before i took it in, i sprayed it with insecticide and wash the leaves. Now i noticed that the new baby leaves are curling and miss

Asparagus

QuestionMy plants have a white sticky substance on some of the ferns. This is the first year we got any produce from them. Please can you help us? AnswerElsie: Can you send a closeup photo of this stuff on t

avocado plant with disease

QuestionI have a great avocado plant. It now has a disease that makes it drop white sticky powder onto my floor. The leaves have some white powder on them as well as brown round dots. What can I do to treat this pla

Oleander Health and Transplanting

QuestionHello again Dr. Vann: I live in Southern California where, for many years, as other residents do, Ive lined the fence line around my house with oleanders. In recent years the oleanders in our area have suc

sego palm

Questionthere is a pinkish puffy substance in the core around the newly growing branches- Is this a disease or is it normal? AnswerHi taria, Your sago may have what is commonly referred to as Asia

magnolia diseases

Questionmy magnolias are 45 yrs. old. one tree is in good condition but the other one has dead limbs all throughout the branches. the limbs look like they have paper looking growth all over them. between the two tre

Palm tree pest spreads!

QuestionQUESTION: Hi, I have a somewhat bizarre situation. I live in Toronto (Canada) and got an indoor palm tree a few months ago. Recently, I noticed a pest that was not only on the palm itself, but also on the w

Flowers on Magnolia Trees

QuestionI planted a small magnolia tree. It is growing fine and has begun to have flowers. The flowers when they open, look like the top leaves have been burnt. I use no fertilizer, so what is the burnt look c

Mold on plants

QuestionI have mold on Gerber daisies, angel trumpet, marigold, digitalis, butterfly bush,asters, and almost all other plants, except cosmos, sunflower. It is not powdery mildew. I have treated with durs

fat albert spruces

Question spruce branch We had an incredibly damp summer for Kansas and my beautiful spruces needles are turning yellow from the inside of the branches spreading out to the outer needles on the branches, then the nee

Mini rose bush disease and its effect on people..

QuestionHi, I wanted to ask about the powdery mildew fungus that I found on my mini red rose bush. I brought it to work in July and noticed in September the white powder substance on its leaves.

dying bogenvillas

QuestionWe live in Cabo San Lucas, Mexico where bogenvillas are abundant. Four years ago we planted four tiny bogenvillas which grew into huge, beautiful, continally flowering plants. We water them often

Spotty Sage Cutting

QuestionIve recently obtained a sage cutting that was a bit wilty when I got it, but I attributed to stress because I accidentally repotted it sooner than I should have. I was told to water it only when the soil was

Arbovitae

QuestionHi- I just noticed that my emerald green arborvitae leaves are dying from the trunk out. I did not notice it earlier because they look nice and green on the surface. I also have another in a different locati