Aspen disease

QuestionI live in northern Utah and have a small grove of 12 Aspen all of which are looking unhealthy with a sticky waxy substance covering the leaves and trunks. It appears to be killing the trees. How

Chanticleer pear. Have ?s asked to Steve that he answered

Question pear tree IF you can read Steves q & As regarding my tree, great. I see there are breaks in the bark, lines going up & down and bard breaking off. Dirt is well, but not extreme.Leaves are yellow at tips a

potted mulberry tree problem

QuestionQUESTION: Hi Dr. Vann I have a potted mulberry tree (probably came from one at the front of our house in Chicago). Last summer the leaves got little white cottony patches which later turned into

Live Oak Disease

QuestionWe live in a very rural area of south central TX and built a pond 7yrs ago around a very mature live oak. Went way outside the drip line so as to not disturb the roots. The tree is surronded on three sides b

Invested Meyer Lemon Tree

QuestionIve bought a Meyers Lemon Tree two years ago and I have yet to have a lemom grow to its full potential. How do I get rid of lil green worms plus lemon tree spiders? AnswerHi Anna, Sounds like you are

marigold problem&

Questioni have beautiful bunches of marigold plants in the yard--suddenly the flowers are turning brown seeming to be dried up--not the normal browning as the flowers die off--soil is damp not soaked nor dry--i also

Sunflowers attacked by little black ants

Questionsunflower QUESTION: These critters have systematically killed the leaves one at a time as they made their way up the stalk. The sunflowers are between 6 and 8 feet tall (different varieties) The

stephanotis plant

QuestionI recently bought a stephanotis plant and it has been growing quite nicely, lately though I have noticed a white sticky substance appearing on some of the leaves and stems. Could you please tell me if

Euonymus shrub has sections dying/bark peeling

QuestionQUESTION: I have a mature 6+ Euonymus shrub that has never had a problem in the past. We had a wet spring, and my local nurseries all diagnosed what they thought was black spot. I treated multipl

Locust leaf drop

QuestionWeve lived here 7 yrs and this is the first time weve had the locust leaf drop. And it started in June and its like Fall out there. The leaves appear sickly yellow with darkish spots when they fall. The leaf

Chinese Pistache Tree Dying/Diseased

QuestionOur 4 year old Chinese Pistache Tree suddenly appears to be dying. The leaves turned brown, and are falling to ground, clearly dead leaves. We do not believe there is any root rot. This tre

african sumac trees

QuestionWe have eight af. sumacs spread over an acre, various sizes. The new leaf sprouts at the end of all the branches (small & large)within the last week are wilty looking and sticky. Leaves are dying overn

slime mold

Question slime mold I am trying to determine if a photo that was taken in Anchorage Alaska is indeed Physarum sp. Slime mold. The glob of oily black mold was extremely delicate (please see photo where it liquefie

Ornamental Plum disease

QuestionI have an ornamental Plum tree that has developed numerous areas of gelatinous globs that drip onto the ground from the branches. Almost 2/3 of the tree branches are affected. The leaves are still looking go

Bamboo leaves falling after potting

QuestionWe have recently transplanted small leaf bamboo from 2 gallon pots to their home in rectangle planters 16x3ftx3ft half filled with potting soil and some bone meal, gravel and then plywood for filler(it may h

Fungus Gnats On Meyer Lemon

QuestionI have a Meyer Lemon Tree (2 + tall) that I purchased a few weeks ago from my local Lowes hardware store. I live in Seattle Washington and this tree will be a permanent indoor plant. It is doing really

Large growths on oak trunk bark

QuestionWe have had a 12 round bulging growth on the trunk of our oak tree, I didnt like the looks of it, so I put decorative eyes, nose and mouth on it that I saw in a gift store. But now we are noticing a

plumcot -aprium disease

QuestionWhat is the treatment for a plumcot tree that has honey colored, gummy oozings coming from the branches..... Sometimes getting as large as a golf ball. It eventually kills the branch & the

Italian (?) Cypress Tree

Question Cypress Tree We believe we have Italian cypress (5) planted in a row 2 of them have dying branches the othr 3 are healthy. They get the same water/sun and are aprox 15 tall (topped) and about 10+ year

Italian Cypress Trees

QuestionWe have a dozen 27 year old trees and some them have several of their branches bowing down towards the ground. Dont know what this is a symptom of, if anything. We live in the Palm Desert area, t