oak tree roots

Questioni have a dog that is tied at the base of a big oak tree in ohio, she likes to dig to get cool dirt to lay in. will this hurt the tree, she digs right at the base and my wife is afraid she will we

Walnut trees

QuestionHello - I have two walnut trees in my yard which are currently healthy. However, I have both grape vines and apple tress which are diseased(pretty sure black rot). Is it possible for the nut trees to contrac

Diseased Cottonwood Tree 100+ Ft. Tall

QuestionI have recently noticed an oozing coming from my cottonwood tree which appears clear like water. Its located at a junction of two cottonwoods that joined at about 5from the base of the tree. Shou

Soquel Redwood trees

QuestionWould a moderate Boron count (1.8ppm) in the irrigation water have a negative effect on a new planting of Soquel Redwoods in Sonoma County? AnswerAny effect from Boron should show up as yellowing of the ne

Mushroom type fungus

QuestionI have mature pecan trees that have a mushroom looking fungus at the base part of the trunk. Will these hurt the tree and what do I do to keep them from coming back after they are removed? Thanks, Cyndy

liquidambar trees exude sticky substance

QuestionThe leaves of the Liquidambar trees in our neighborhood in the South Bay Area of San Francisco seem to exude a sticky substance that sticks to cars parked underneath them and gets stuck on soles of shoes. It

Black Knot on Plum trees

QuestionCan you eat the fruit from a black knot infected plum tree? My tree is laden with fruit for the first time since I planted them 7 years ago. The plums are clean and perfect looking. But I am not sure I can e

Red Oak Dripping

QuestionGood morning. Our Red Oak has been diagnosed with tree aphids. The honeydew is coating everything,and there are more acorns than I have ever recalled. I learned that we could spray the tree

Damaged Maple

Question Freeze crack on West s We have a Norwegian Maple that developed a freeze crack on the west side after last winter. It has continued to grow and is now up the main branch of the tree. There is al

diruption of tree roots

QuestionWe are building a new house and trying to respect/maintain all large trees. We need to lay pipes to hook up sewer from house to street. Along the way will be two large trees: a red maple (approx

Globe Willow insect infestation

QuestionI live in Western Nevada (30 miles east of Reno) at 4200 feet. I have a large Globe Willow tree that has some sort of disease. The bark on several branches has split and sap is continuously dripp

lindon tree

QuestionThe linden tree I have is drawing bees. What can I do and is this common to linden trees? AnswerMore than likely the tree has either a scale insect or aphids. Both of these insects suck the plant juices fro

Unknown tree in our yard

QuestionWe moved into a new house and noticed that in addition to an apple tree we have another tree that produces fruit of some kind. My kids like to eat the (extremely bitter and hard) berries and havent had any a

Red Maple Mold

QuestionThe leaves on my red maple are covered in a white substance. What is this? Is treatment necessary? Thankyou AnswerThis sounds like powdery mildew. Powdery mildews, as the name implies, often appear as

Crape Myrtle Tree

QuestionQUESTION: I live in the Dallas, Texas and our Crape Myrtle Trees are not blooming. We have lots of pods but very little flower buds with few flowers during the summer. This fall should we remove

Transplanting

QuestionI have several young Royal Empress Trees in my yard,would like to know when is the best time to transplant them to different locations in my yard and how to dig them up for transplanting? AnswerDeciduous &n

Mimosa seedlings

QuestionQUESTION: Dear Mr Hyland Thank you for your help! Im really puzzled. Having chopped down our yellow mimosa tree two years ago, weve been inundated this summer with thousands of seedlings on our little lawn.

Empress Tree

QuestionMy empress tree is six months old and 10 tall. I pinched the suckers in the beginning. I was gone for six weeks. Now, I see what looks like suckers above the the large leaves with more tiny leaves and pea li

in defense of weeping willows

QuestionMy neighborhood association wants me to remove two young weeping willow trees from my back yard for a long list of reasons which include being disease prone* and having aggressive roots and shouldnt be pla

pine tree infestation

Question My brother & sister in law have a pine tree in their back yard (she thinks its called southern pine but not sure) It has what looks like little pods all over it,then they start to open up and it looks like