Bore Worms in Pine Tree

QuestionI have been told that I have bore worms in my pine tree of about 30 years and have advised it be cut down. At what point is it too late to treat the tree and save it? It has sporadic bore holes with re

Damage to bark from children

QuestionI have a mature weeping Japanese Red Maple (approximately 50 years old) that some children have been into, and stripped bark from several branches. The stripping is between 1/2 inch and 1 1/2 inches wi

pruning sucklings from willow

Question Willow Tree I have a large willow tree on the bayshore of NJ. Lots of wind here. Should I cut the limbs growing from the base of the tree? Will that keep it more or less stable? I at

Watering a Red Oak

QuestionJust planted a 12 foot red oak. We put two lengths of 3 inch PVC into the hole down to the bottom of the roots. Should I use more water than simply filling the PVC once per day? Northern Ca

watering cottonwoods

QuestionHi. I live in the Mojave desert in southern CA. I have a fremont cottonwood on a graywater system and its doing great, but I wonder how much water they take for optimal growth. Any idea? Thanks AnswerTrees

limbing douglas fir trees

Questionbest time of year to limb in the northwest AnswerAny time after the hardwoods have dropped their leaves until they bud out in the spring. This time of the year the sap is not flowing and you will not have a

Bees on a Japanese Maple

QuestionWere seeing a swarm of bees and flies on our Japanese Maple tree. Is this an indication of some disease or infestation? How can we cure it? The tree seems to be otherwise healthy. AnswerIt could be an infes

Worms on River Birch Trees

Questionbase of tree worms QUESTION: I have pictures of these worms who are falling out of our River Birch trees. These worms have been in other trees in our yard. These happen to be pictures of a

cut root on a bradford pear

Questionwhile burying a cable line at a customers house we cut a root on this pear tree. the root was only about 3 inches under the ground. the customer claims that his tree is dying now because of this. this was do

Birch Tree Pruning

Question Vacaville Birch Hi Jim, Ive attached a picture of the Birch tree from our front yard. We live in Vacaville, CA. The house is 20 years old so Im assuming the tree is a bit older. Its a beautiful

Oak Tree Fungus?

QuestionI have an oak tree that has many large clumps/clusters, dark in color, on the branches. Ive never seen one fall, but I did find some dark black tar substance on my deck. Could these clumps be a f

Black mold on tree

Question Front tree black mold This summer I noticed some white fuzzy things under the leaves on my young tree. I treated it with over the counter treatments. About a month later most of the white bugs were gone but

borers in eucalyptus trees

QuestionYou gave great info on what to do if the trees are living. We cut ours eucalyptus trees down 6 months ago, and a few days ago realized they were highly infested with these beetles. We were going

Shelling nuts

QuestionI have a hican tree, cross between hickory and pecan,and the nuts are as hard as big bud hickory nuts. Any suggestions on getting out the meat? Portland, Ore. Theyre ready to harvest now.

tree spread

QuestionThe base of my oak tree has spread to the point where I can barely enter my driveway. Can I cut a portion of this spread away without damaging my tree? AnswerPrune the lower limbs off so that none wil

tree borers

QuestionWe have had a problem with borers in our Eucalyptus trees. Now they are starting to affect our Valley Oak trees. We have treated the eucalyptus trees and are going to treat the Oaks, My question is are the b

oak tree leaves

QuestionI just noticed small red bell shaped objects on the leafs of one of my small oak trees. They appears to be one on most of the leaves of the tree. Are they harmful and what can I do to rid the tree of them. A

Spruce tree

QuestionI have a very large old spruce tree in my front yard. In the last few years I have noticed that two of the bottom branches are curving upward and growing what look like new spruce trees. On one o

Live Oak Trees

QuestionWhat are those prickly ball shaped things that grow on the branches of Live Oak trees in Texas? When fully developed they look like Sea Urchins. They have a tendency to migrate to other trees nea

Transplanting from pot to ground

QuestionI live in Orange County in Southern California and want to transplant a Japanese Acer from a pot to the ground - when is the best time of year to do this? Its leaves are currently turning brown and sta