pine saw fly larve

QuestionI have 80 acres of two year old loblolly pines. I have 2 trees that have no needles left on them. on the second tree there was what appears to be saw fly larve. should i be concerned about the rest of the tr

Snake plant disease/insect?

QuestionI live in Southeast Texas and have some wonderful snake plants in pots at my front door outside. I have noticed in the past month that they have started to get this white fuzzy mold on some of the leaves. Th

Avocado root rot

QuestionHi, We live in SoCal and I planted five trees earlier this year: two grapefruit, one pomegranate and two avocado. All were 5 gallon and all but one of the avocado went in the front of the house in an area t

Plant disease identification

QuestionI need help with a identification of plant disease. I have Dahlia pompon flower, and recently it was affected with some disease. I am sending you links for the images of the plant: http://i50.tinypic.com/2y

Damaged elm bark?

Question Elm 1 Elm 2 Hi there, We have what I believe is an American Elm tree in our back yard (St. Louis). There were some invasive vines growing up the tree last fall so we removed them. They seemed t

Tree bark

Question Elm 1 Elm 2 Hi there, We have what I believe is an American Elm tree in our back yard (St. Louis). There were some invasive vines growing up the tree last fall so we removed them. They seemed t

Dead branches on my Mimosa tree

QuestionI have a 10x10 ft. Mimosa tree that has been in the ground for about 10 yrs. This year when all the growth started, One of the main branches seemed dead.It covers about 1/2 the tree. Lots of new growth on th

tomatoe plants

QuestionI have been told to top off my plants on most of the limbs just above the blooms. Is this what I should do? I have been reading some things on line. Thanks for your help. AnswerTopping off

live oak tree in distress?

Question Tree18 I have a live oak tree in the ground now for 2 1/2 years showing a strange peeling or shedding of its bark or skin. Havent seen any pests associated with the problem. The tree stil

Maximum Life Span of Trees and Plants.

Question Tree Plant Dear Jennifer http://en.wikipedia.org/wiki/Tree http://en.wikipedia.org/wiki/List_of_tree_genera http://en.wikipedia.org/wiki/Plant http://simple.wikipedia.org/wiki/Plant http://en.

Queen Palm in NJ

QuestionI just planted 4 Queen Palms in my back yard. ( I am totally uneducated with doing this) We live in central to south NJ, the area planted is full sun. My Queen Palms came in 15 Gal. pots. The soil is pretty

Dying catalpa tree

Question dying catalpa tree Knots and cracks I have a catalpa tree that 1/2 of it is dying or is dead.Ithas knots and cracks on the dead limbs or dying limbs.I am using Bayer advanced disease control li

brown spots on stromanthe

QuestionI have a stromanthe burle marx plant and most of the leaves have small brown spots on them. I have it in a pot and sitting on a tray of pebbles which I add water to when dried out. Is this a dise

Chinese Pistacho Tree Problem

Question Tree Leaves - close-up This tree was planted the end of May 2010. It has struggled ever since. This spring it leafed out better than it had, although leaves were not the dark green

symptom on jasmine plant

Questioni have seen velvety like growth on plant leaves with bubble (gall like) like appearance on the leaves. i cant understand the disease. i think it may not be the insect damage i search for insects in the leave

bur oak

Question wetwood collar rot We have a giant, pre civil war bur oak in the center of our backyard. It was diagnosed with collar rot last fall and we had it treated with an anti fungal recently. &nb

lilac

QuestionMy lilac bushes are 30 years old and the last two years have developEd curled twisted leaves and now the plant appears to be dying AnswerHi Nita, If you are seeing curled and twisted leaves, this sug

Powdery Mildew on cucumber plants

QuestionThis is the second year in a row that my cucumber plants are going bad. They start out very good, big leaves and lots of flowers, than the leaves start turning white like a powdery mildew and they all go bad

Problem with Crown of Thorns

QuestionDear Dr. Vann, I have seven large mature Crown of Thorn plants in a very large planter in the patio of my Florida home. They have been in the same spot for 12 years. They were blooming beautifull

Some kind of critter ate my honeysuckle

QuestionQUESTION: I live in Oregon in a rural area where we typically see skunks, squirrels, opossum and racoons. I woke up this morning and looked out my kitchen window, and my honeysuckle plant was gone! I mean th