worm

Questionwe found a white ribbed worm in the base of a tree in our yard. It was about 5 inches long maybe as big around as a Sharpie marker. There were 10 or 20 of these worms in the tree (which we had to take down b

leaves-maple

QuestionWhy do maple leaves change colour? Thanks AnswerHere is a web site link that will explain what is happening as the leaves change colors: http://www.na.fs.fed.us/spfo/pubs/misc/leaves/leaves.htm Here is an

Why is there so many eggcorns?

QuestionI live in Southern Oregon and my Oak trees have more eggcorns on them than I have ever seen on them in any givin year. Does this mean that our winter is going to be tough? AnswerAcorn production

Pin Oak Tree - Ambrosia Beetles

QuestionI have a huge pin oak tree which ws struck by lightning a few weeks ago. I had someone check the tree and was told it is being infested with ambrosia beetles. Is there something I can buy to spray on the tre

Willow tree infection

QuestionI have 2 willow trees in opposite sides of my yard and both of them are deeply infected. It appears to be a raised bump on the one side of the leaves and on the other side it looks shrivelled up and su

buckthorn trees and toxicity

QuestionI appear to have either a European Buckthorn or a dogwood tree/shrub in my back yard - it has grape size and shaped berries (about 2 cm), red in colour, which when I cut into them have a pit, oval in shape a

Pruning Tree Mistake

QuestionHello Gary, I have a lemon tree thats about 4 months old, about 3 feet high. I heard on a gardening show that I should try to keep all my trees growing at the same rate and to prune them as such. Well, I ac

Ponderosa Pine roots

QuestionThe Ponderosa pine I planted 7 years ago has grown into a beautiful tree. However, over the last year or so some of its large roots (4+ inches in diameter)have appeared on the surface of my lawn. They have d

Red Japanese Maple

QuestionHi Gary, I live in Northern California and have a red Japanese Maple in the backyard that is not doing well. Its leaves are a dull red-brown and are curling and drying at the edges and it is, in general, not

Youngi Contored Birch

QuestionJim, Would you have any idea why my Birch tree would loose all of its leaves by the first week of September every year? I dont see any bugs on it, it has set the seed pods for next year and seems to be in a

Maple tree dripping sap / follow up

Question------------------------- Followup To Question - Thank you for your quick reply. Amazing! I assume aphids propose no danger to tree. I must say I became determined to find an answer to

pruning tree

QuestionWe have a weeping cherry about 12 years old that has never been pruned, looks reasonably awful, and this past spring had minimal flowers. What can we to to improve its appearance and bloom? AnswerCar

white pine tree

QuestionMy white pines are browning and also dropping whole clusters of green needles that look like small whisk brooms. They seem to have just fallen off the tree. I can see no evidence of disease. This summer we

Painting the trunks of living trees

QuestionI recently saw an article about painting the trunks and branches of camillia trees blue. I bought some outdoor latex paint and painted them. They look great, actually quite amazing. Now I w

grafting trees

QuestionCan you tell me anything about how to graft trees? I am interested in grafting a Barlett pear to a Bradford pear also, pecans, hickory and so on. Thanks AnswerHere are a couple of web sites that

Hibiscus Trees in New Jersey

QuestionHello sir, could you please advise me if I should dig up two hibiscus trees that I planted in the summer and has bloomed for three months solid and bring them in the house. I live in northern New Jersey a

citrus trees

QuestionI am considering planting a few citrus trees in south Louisiana in a 700 sq. ft. area that will be covered by a mesh fiber grass barrier then 2 inches of limestone. What are some of the pros and cons of doin

death of a hickory

QuestionA month ago,in 90 degree weather, frequent rains with no other trees in the area dying, a large hickory in our front yard appears to have died. The leaves all truned brown. Any idea what might have happened?

knothole question

QuestionI have an oak tree with a sizable knothole at the bottom. I was wondering if I could use it as a plant container for creeping phlyox or some other flowery spreading plant. Thanks, Heather AnswerHeath

Trimming Bartlett Pear Tree

QuestionCould you please tell me the best time to trim a Bartlett Pear tree? AnswerSondra, Pruning is pretty straight forward. Each winter remove any vigorous upright shoots. As the ends of branches droop be