camillia & holly bushes

QuestionI live in northeast Florida about 1/2 mile from the ocean. My house and lot is quite shady from many trees. I have holly bushes and one camilla bush in the front of my house as landscape. T

Pear tree leaf problems

QuestionI have inherited two wall splayed pear trees each of a different variety but both of whom suffer from the same problem. The affected leaves have a bright orange, almost circular shaped ring with a dark

Yellowing heuge bamboo

QuestionA friend gave me a stalk of African bamboo (5 tall) to plant back in April. It had no leaves at the time. Over the summer months, it grew beautiful branches and very green leaves. Within th

risk of tree falling

QuestionIn July a 100 foot linden tree fell on my house. Now I look at my other trees differently. I have a large pin oak within 15-20 of the side of my house along a driveway. It has a lean and the bulk of its larg

Dark colored bugs on our white birch tree

QuestionOver the last few years we have had bugs on the limbs of our tree. They are clustered together on the ends of the branches and have a foul odor when you come into contact or kill them. Can something to be do

redbud tree

QuestionThe bark of my ten year old redbud seems to be shedding right at the base of the tree. I dont like the idea of a tree losing its bark. Is this a common problem with redbuds? Is it something to wo

bugs in my tree

Question Branch I cut on the gr I have this white web on some of my trees. There are black pepper like things inside the web. The leaves turn yellow. I posted this on Daves garden, with no answer. thank you Answer

White powdery substance on branches

QuestionHave a tree in the yard but not sure what it is (not a typical oak, maple...poss. a fruitless, weeping mulberry?) The shape is that of an open umbrella. On the branches is a white, powdery sub. that ru

Eugenia problems

QuestionHello, I have a row of 10 Syzygium paniculatum (Eugenia) hedges that I planted about 6 months ago. They have grown quite nicely for the most part( I did have to control a psylid infestation using Malathion s

moss on trees

Questionthere is a lot of moss on the tree stump and branches.kindly let me know what i should apply to kill it AnswerVcsrajan: Moss occurs frequently in environments that are consistently moist or wet. Cons

Worms on lemon tree

QuestionQUESTION: I have noticed some very ugly ugly looking worms on my leaves on my lemon trees that I have planted in my yard in Mobile, Alabama. They appear to be eating the leaves. Ive never seen wo

gnats

QuestionQUESTION: I have New Guinea Impatiens that I brought into the house for the winter about a week ago. The soil has some mold growing on it now. What can I do to get rid of the mold so I dont lose my impatiens

White lice on cycads

QuestionI have two cycad plants in teracotta pots. They have been in the position on the patio for about 2 years. They get morning sun and are in the open (i.e. can get rain). The leaves have becom

emerald arbs

QuestionQUESTION: we planted 20 4 emerald arborvitae trees in August. They seemed to have done fine. Until about 1 month ago and they have turned orangy in color from the inside coming outward. we

Crab Apple Tree in UK

QuestionWe have an old crab apple tree and noticed white fluffy fungus which we believe could be bark scale attached to two stumps and bark at the bottom of the tree. Someone advised we spray it with ant

tiny orange worms

QuestionI was looking at acorns one day and I found two little orange worms eating the acorn.I would like to know if they are parasites and if they are bad for my tree. Thank you. AnswerTiara: These insects are pro

sago palms desease (scales)

QuestionWhere do I purchase malathion or Hordicultural oil? I have my sago palms for years and now they are starting to dry-up and die! AnswerMalathion and Horticultural oil can be found at your local nursery. O

Black Jack Fig

QuestionDear Dr. Vann, We planted a 5 Gallon Black Jack Fig in Palos Verdes, Ca on June 15, 2008. I put 2 0-10 gallon drippers at the base and water for 40 minutes every 3d day. Yhe tree grew well this summer.

Crepe myrtle is not healthy

QuestionI live in Ft. Worth,TX (Northern TX) I have a crepe myrtle that is approx 10-12 years old.It has not bloomed as vigorously as previous years and some leaves are turning yellow and falling off since early sum

lemon tree from seed

QuestionQUESTION: I have grown a lemon tree from a seed. It is now about 5 years old and over 2 feet. Over the last year it has started loosing browning leaves at an alarming rate in the winter. Although the leaves