Chinese/Lacebark Elm

Question2 years ago I purchased a Chinese elm. It had grown and really was quite healthy until about 2 days ago. I live in Tucson, AZ and it has been very hot, but nothing that this tree hasnt felt befor

Sago Palm browning

QuestionQUESTION: Hi Kathy! My Sago Palm has been indoors in Michigan for about five years. During the past six months or so the individual frond leaves all turn yellow then brown. The spot begins about a third of t

Snowball plant

QuestionI have a snowball plant in a planter. I want to plant it in my garden. I live in New York. When is the best time to plant it, and what do I have to do to it when I plant it? Thank you. AnswerHi John,

Flowering Cherry Tree problem

QuestionWe live on the NE side of Houston, TX. We have sandy soil that drains well. Planted a flowering cherry bought at a nursery. It is about 10 feet tall with a trunk about 3 inches in diameter.

Powdery mildew.

QuestionI have what appears to be powdery mildew on a rosemary plant. The plant is in afternoon/evening sun, appears to be growing well, is in a dry climate (Eastern Washington), and the foliage does not get w

bugs on mamosa tree

QuestionI have three mamosa trees in my yard and they are doing good but one is at my front door and during the day it is covered with bees and hornets at night the covered with moths is there a reason for this and

Oleander

QuestionDeceased Oleander QUESTION: Dear Kathy, We have an area of Oleanders that have died, but the others in the same area seem to be doing fine. The leafs turned yellow then brown and then the stems died.

beetle looking insect feeding on spider plant

QuestionI see a beetle type insect crawling on my indoor spider plant. It seems to leave small spots which are very dark on the leaves of my plant. It is on the babies as well as the adult. The lea

Autumn Blaze Maple Aphid Infestation

QuestionI have a autumn blaze maple that is about 4 years old and 30 ft tall by 20 ft wide. I抳e been battling a chronic aphid infestation for the last three months. My husband and I have been spraying it

Pomelo Diseases and pests that destroy Pomelo

Question What are the different pests and diseases that attack Pomelo Plants? How can we control those pests? What shall we do in order to avoid those diseases? AnswerHi Monshyne, There are too many diseases to lis

Quaking Aspen Problem

QuestionQUESTION: Hello, I have a bad case of black leak fungi on my Quaking Aspen tree and am currently treating it with a mycorrhiza fertilizer. Does this stuff kill the fungi or just control it? Also the branches

Sago Palms

QuestionI live in southern Ca. next to the ocean. I have several Sago Palms in my yard that are 15 years old. Recently the fawns on two of the larger ones have turned almost totally yellow. The smaller attache

lemon tree leaf yellow veins

QuestionSome leaves have yellow veins, balance of leaf is green. What is causing this. Does it need some special nutrient? AnswerHi Bettye, I have a feeling this citrus is getting too much water and dro

golden jade

Questioni bought a jade about two and a half months ago, that had a red bordered leaf, and i potted and placed it on my husbands gravesite. unfortunately we have very hot and very humid summers here and now the plan

Cedar Tree with brown nodules

QuestionCedar Nodules 1 QUESTION: My windbreak is all cedar trees that are over 50 feet tall, I was out checking my one apple tree yesterday and notice that one of my old girls has brown lumpy nodules on it.

apple plants Diseases

Questionsir my plot situated in 5000 to 6000mt. height.there are some problem in apple tree: 1.Root warm biarer is main cause of the Diseases 2.because of sunny side the growth of the aplle is very slow. 3.m

poplar trees

QuestionWe have a farm yard with a lot of poplar trees. This year, for the first time in the 41 years we have been here, all the poplar leaves are covered in a very fine very sticky spray. This spray also can

Japanese Maple problem

QuestionI have grown Japanese Maples for years and on an occasion I have found that the stems turn black and the leaves wilt on the upper branches. They seem healthy and are for a few years then this happens--I usua

pin oak pellets

QuestionWe have a mature pin oak hanging over our deck (North Carolina). We have lived here 10 years and for the first time the tree appears to be dropping tiny pellets. We first noticed that when these

house plant infestation

QuestionI have a hibiscus (inside variety) which looks like it has been peppered with a pepper shaker. I tried using the insecticide soaps for bugs and another for fungus. I sprayed it with the hose and