dead branches at bottom of willow

QuestionI have a lovely weeping willow that we planted in wetlands about 6 years ago. It has grown remarkably. Today I was cutting away sticker bushes that were trying to grow into the lower branches. &n

disease on yard plants

Questioni have this green grey curly disease on alot of my plants, roses, scrubs, peach tree, also a moss growing with it like dear moss. the plants dont die but are very stunted. it seems to be spreading to other p

indoor orange and avocado plants

QuestionI have a potted orange tree with the old leaves curling up. The leaves are not falling off or discoloring. Actually some of the lower leaves are yellowing, but not very many. The new growth seems to be doing

white pine

QuestionI work for an individual and we have been planting white pines that are to big to be transplanted in my opinion. After planting theses trees thinning occurs within one year. I believe cutting off

scale on Krauter Vesuvius

QuestionQUESTION: I have 3 Krauter Vesuvius in East County of San Diego. One of the trees wood is covered in scale. The trees are just beginning to flower. What should I do? thanks ANSWER: Provided this is a flower

dracena corn plant

QuestionQUESTION: My corn plant tips are turning yellow and brown.Also, one of the bottom leaves has faded to yellow. I have the plant 4 weeks, and I only watered it once(underwatering?), but the soil still feels mo

Sticky film from indoor jade plant.

QuestionQUESTION: I have an 8 year old jade plant indoors. Ive noticed a sticky clear film coming from several of the leaves where they attach to the stem. What is causing this and can I save the plant?

Miniature houseplant orange tree

QuestionQUESTION: Last spring I bought a little orange tree in Florida. I potted it and kept it outside all summer. Since bringing it indoors it has developed tiny little welbs where the new leaves are beginni

Leaf spot on rosemary

QuestionI have a rosemary plant that was recently transplanted. It is outside and always has been. I just noticed a type of leaf spot on it. The center of the infected area is a bright white.  

Yucca stem

QuestionDear John, My Yucca houseplant appears to have a rotting stem. The plant consists of one long branch (I guess youd call it) coming form the roots. The branch is around 3 feet long and curls round the pot ra

a lime tree problem

QuestionI have a small indoor lime tree. It has these little brown scaly looking things on the limbs and leaves and some spiderweb like things where limbs intersect with trunk. This same probelm occurs t

brown spots on stems and leaves of my schefflera

QuestionI have a schefflera plant that Ive had for 10 years. over the past month or so Ive noticed these little brown rough feeling spots forming on the top and underside of the leaves, on the stems and on the branc

black trunk on a sugar maple

QuestionHi, I have, what Im told is a relatively young, Sugar Maple in the front of my home (GA). When we purchased our house six months ago the tree had a very dark/black base and now the black has spread all the w

Dormant/Volck Oil Spray

QuestionHi - can dormant and volck oil spray be sprayed before it rains? How much drying time does the spray need? Thanks! AnswerDormant oil spraying should be done on a clear day when there is little o

shrubs

Questionleaves of photinia are spotted and dropping. Indian hawthorne on other side of yard doing the same thing. Any ideas? AnswerSince both the photinia and hawthorne are in the Rose family, it is most likely tha

Jade mold

QuestionI have had numerous Jade plants in the house for many years now, recently a mold has begun to attack the trucks of the plant causing it to fall over while the top of the plant is still living. Can yo

Umberella plant

Questioni have had my umbrella plant for about 1o years and it as suddenly developed what look like aphids on the leaves, what can i do about it AnswerHi Maggie, Here are some notes about aphids. They

Pin oak running sap

QuestionI have an old pin oak that is 18 ft around. It has been running sap out of the base of the tree. I need to know what I can do if anything is wrong to save the tree. It is huge and very close to my house. I t

Dieffenbachia leaf curling

QuestionWhy are the leaves on my dieffenbachia are curling inward? AnswerHi Anita, There are many things that can cause the leaves to curl. It is hard to say. The most common causes are irregular wate

Used to Be a Meyer/now a grapefruit Diseased tree

QuestionQUESTION: Hi, I live in Los Angeles, a few years ago, I transplanted a healthy fruit bearing meyer lemon tree from a pot to the ground. It has grown, but it has had deformed leaves that stay upright, the l