ROOT ROT

QuestionWe purchased a couple of Variegated Willow Myrtles approx 3 weeks ago and planted 2 weeks ago. One of them has died after the first week and when queried this with the nursery they came around dug around the

pomgranate bark desease

Questionw to cure bark rot AnswerEdward: Many things can cause a bark problem- some may not be an bona fide infectious disease. It would be best to have someone come and make a house call. Suggest contacting

Sooty Arborvitae

QuestionHello, Two years ago we planted 20 4 foot emerald green arborvitae. We water once a week for 6 hours with a soaker hose. The bottom branches have turned a sooty looking grey. They eve

azaela rust

QuestionMy azealas leaves will turn a reddish color or they turn pale green almost white. The entire plant will then die seemingly in stages. My plants are probably older than I am. They have been here a

peach tree leaf curl care in the spring

QuestionI read your article on peach tree curl and understand that treatment for the fungus happens in the winter. Wondering if there is anything I could do in the spring to stop it from spreading. Notic

leaf spots

QuestionAre there any household products out there that will help with the treatment/ prevention of leaf spots in my quaking aspens? We have this and its getting out of control. I have heard that antibac

Trachycarpus fortunei yellow leaves

Questionhi I have one of these that stansd around 10 tall and has been beautifull to look at over the years but this mth i have noticed the tips of all the leaves are starting to turn yellowbut new leaves are still

White spots and Curled leaf stems on Lilac

Question QUESTION: This past winter I noticed these white spots on the bark of my lilac. This spring, the leaves came out very late and were curled up at the stem of the leaf. Some of the blooms are affected

garden

QuestionWhat are some diseases that affect crepe myrtle? AnswerSun: Here in the U.S., Powdery Mildew and Cercospora leaf spot are the most significant infectious diseases. Both are caused by fungal organisms

sugar maple

QuestionThe trunk on my sugar maple has turned black and the black is going up the tree. In addition to the black there are holes about 1/4 in diameter all around and up the trunk. They are not very deep

Dying Maple Tree

QuestionQUESTION: Weve had a maple tree for several years and its grown well. Last year, it started to get spots on the leaves and a master gardener told us to trim the plant wherever we saw the spots, basing it on

tall phlox

QuestionCould you tell me why the bottom leaves on my tall phlox (David,Laura,and Nikki) are turning yellow and dying? The plants came up thick and healthy looking. The leaves next to the ground at the bottom of the

Disease on Miniature Acer Shrub

Question Growth I have a Miniature Green Acer shrub in my garden. Ive noticed a gray/white scaly growth on the bark. Its mainly located at the top of the main trunk and its spreading outwards onto the branches. Some

christmas palm

QuestionIve had a Christmas palm tree for just over a year. Last winter, it was kept indoors in a brightly lit window and transported outdoors in late spring just before frost. During that time, it did just fine. T

leaf-less branches on white oak

QuestionId been noticing branches failing to grow leaves on my white oaks - mostly the lower branches. I assumed it was due to lack of sun light, and the trees simply no longer needed them. However, the

Yew losing bark

QuestionHello, we have well watered and fed (acidic fertilizer for evergreens) Yew shrubs that are planted near our concrete foundation. The have had a healthy 6 year life in our home near Chicago. This

sap weeping in white oak

QuestionI have a 30 white oak that has a vertical line (crack) in the trunk (about 5-6 long). The crack starts about 10-15 high. It weeps a bit of sap, and remains damp - even in dry conditions. We had c

tulip tree disease

QuestionWe live in the Knoxville, TN area. We have a tulip tree that is approximately 10 years old. The trunk is approximately 8 inches in diameter at the soil line. It is planted in an area where it gets indirect s

Kingston Hardwood maple tree

QuestionWe have subject tree and now that springs is here a couple of branches are dead. Also, there is this smelly sap draining from the tree. Can you give us some advice, please? AnswerI would think t

dying pin oak

QuestionI have a pin oak about ten years that appears to be dying. It has kill all grass in a perfect circle at the drip edge. The gall wasps have been on other oaks this one doesnt have a single gall. W