white powdery mildew

QuestionHello Kathy, I have discovered a powdery white mildew on everything in my yard. It is not limited to any one plant. It is on my lawn, roses, pansies, the weeds, raspberry plants, trees, blackberries,

Azaleas

QuestionI live in central NJ and I was pruning my azaleas the other day and noticed that almost every leaf had at least one white sac looking thing on it. Then I noticed a lot of bugs crawling along the bran

avacodo trees in texas

Questionmy new avacado tree about 3 foot tall has developed brown rust like leaves that are curling up after growing well to this height, what could be the problem? AnswerHi Sharon I would check for spider mites.

parasites on grape vine

QuestionI live in Ontario and my grapevine is being eaten by very small black/brown caterpillars/grubs? and Im not sure what they are or how to get rid of them. The leaves are full of holes and dry brown spots and

Green moss like growth on my trees

QuestionI have two young trees on the east side of the front lawn. One has its leaves turning yellow and falling and the other looks ok but needs watering. Both have a green moss-like substance growing a

Apricot tree disease

QuestionQUESTION: Hello, I have a very large, very old apricot tree (perhaps 30 years old or older?) and it has chunks of sap or resin on the branches..it seems to have killed lots of the flowers and the tree only h

Weird little pods??

QuestionOn top of the soil in 2 of my potted plants are the weirdest little pods. They are brownish, fuzzy, and about the size of the end of a Q-tip and in clusters. I picked a group up and realized that they have s

sego palm disease

QuestionHi! We have a small sego palm that turns brown close to the center stem and gradually the entire branch turns brown to where they look dead. In fact I just cut 4 or 5 of these branches off. The c

flowering dogwood trees

QuestionWe planted two flowering dogwood trees this spring and they had been doing real good, we hav noticed now that their leaves are wilty we do not know what happened, just all of a sudden they are wilting. can y

White sticky sacks on Veriated Dogwood Bush

QuestionHi I live in Wisconsin and was trimming my veriated dogwoods bushes and notice white sticky sacks between many of the branches of the bushes. They looked like large spider egg sacks but they were wet and som

slime flux in white oak - transmission to other plants

QuestionQUESTION: Hi I have a 75-100 year old white oak in my front yard. My city is condemning the tree and making me have it taken down because it is dying back from slime flux (that is what their arborist

Honeydew melon

QuestionA lot of my leaves are extremely bumpy and curled. Some have gray/black (not sooty mold) on them. AnswerThe melon may have a virus, which can cause the type of symptom you describe. See if you h

trees, Wilt disease

QuestionHi David; I live in Northern Illinois. Oak Tree Wilt is becoming quite a problem. I have 2 large oak trees that have died from the disease. I have another oak tree that was showing signs of the

Two problem plants.

QuestionHi, I live in France, and I have two plants giving me cause for concern. The first is a jasmin (nudiflorum) planted to grow up the north west facing wall of my house. I have two plants, and on bo

Fire blight in roses

QuestionI removed a fire blighted rose and replanted a new rose in the same spot. It now seems to have fire blight. How can I treat the soil to prevent this? AnswerHi Kate First of all, make sure it i

Possible White Oak Tree Disease

QuestionIts a mature tree that leafed out this spring with several dead limbs. The trunk exhibits black streaking (bark is missing to the cambium layer which is black), 2 -3 inches wide, from base to the top s

aloevera

QuestionWe are cultivating aloevera and have noticed black spots on the leaves and were wondering what causes this and what is the remedy Our farm is totally organic Also if you could suggest an organic remedy for a

tomatoes and zucchini

QuestionDave, I have yellow curling leaves with black spot. Ive tried a fungicide also noticed very, very small red bugs. I treated with seven dust but nothing seems to work. Also my zucchini has yellow leaves

Lemon Tree Pests

QuestionToday, my mom found that the underside of several leaves of her lemon tree were covered in a fuzzy, white substance, and lots of ants crawling over these leaves. Were looking to find out what could be

Macintosh Apple Tree - Pollination

QuestionI have 1 dwarf Macintosh apple tree and would like to know if there is some way to pollinate it without planting another apple tree. I have asparagus growing and a Rose of Sharon tree nearby. Also, is