General question for Tropical plants/foilage

QuestionHello! I am researching flowers/trees/shrubs etc. for landscaping purposes in Northern Africa. I am at the point in my research where I need to identify what pests are prevelant in that climate & locat

disease on japanese maple

QuestionMy maples has just been planted. Over the last 5 weeks it have formed brown spots on the leaf edge and leaf interior. It is in a very windy place but gets plenty of water and is in the shade 90% of the day.W

Japanese MapleBug Infestation

QuestionWe recently discovered that our grafted Japanese maple had a lot of dead dry branches, even though it has its spring leaves coming in. We originally thought it was because of lack of water, however las

maple disorder

QuestionI have 5 maples in a row in my side yard. The middle tree has budded two weeks later than the other 4 and the bark looks darker and feels rough. Not sure what kind of maples these are, but they are less than

Japanese Elm Fungi

QuestionI have a 15 year old, mature japanese elm. Looks healthy (leaves, growth etc). At the base there is a fungus-like growth, about 7 inches in diameter-looks like bulbus mold, is brown. When I kicked of the tre

leyland cypress disease

QuestionWe have beautiful leylands maybe 40` tall and this winter we noticed a dead streak running up the back of one.It has now covered a very wide width and is spreading. What is this and how can we stop it? My hu

Dying Everygreen Shrub

QuestionMy Golden Euonymous are covered in what appears to be a white in color mite.I am experiencing a loss of leaves and the limbs and stems appear to be drying up and dying as well.This was confined to one plant

Grapevine bleeding sap from pruning site

QuestionI inherited a vast rambling grape vine at my new property which had been allowed to climb over the shed roof, and 30 feet up a pine tree. Consequently it had very small, poor quality fruits. Having read up o

dwarf pear tree with black withered edges on new growth leaves

QuestionI planted two dwarf pear trees in the ground about 2 months ago, mostly sunny, very alkaline soil. The new growth on both trees looks diseased - a thin black edge around the leaves, and the leaves are

willow fungus

Question fungus Further to previous email today, I am sending picture. The fungus is not drying out, in fact seems to be going more slimy and losing the cauliflower appearance. I live in the UK so don,t know if you

Grapefruit Tree Bug

QuestionI have a grapefruit tree in my home that my children and their grandmother planted about 8 years ago from a seed. It has a weblike looking thing between some of the leaves and the bugs/mites or whateve

Palm Springs Lemon Tree Disease

QuestionHello. We live in Palm Springs CA and our lemon tree has a disease. The leaves have a curly snail-like trail (white crusty trails) and the leaves are curling and dying. Please help. P

Meyer Lemon Tree Leaf Dropping

QuestionQUESTION: Hi, I have a 1 year old improved Meyer Lemon tree that had originally came with aphids and scales so I washed the tree down every few days with insecticidal soap. That got rid of the bugs but left

yellowing of leaves on dwarf boxwood

QuestionI have dwarf boxwoods lining the foundation of my house. The leaves are yellowing, what is wrong? AnswerA sign of nitrogen deficiency is yellowing of leaves, particularly older leaves inside the plant. I wo

Lilac diseases/Lilac trees dying

QuestionWe are losing many lilac trees! They bud and then the buds wilt and die. The bark has grey round and oval shaped spots all over? These spots vary in size. Sometimes the trees will bloom, or just grow leaves

APHIDS!!! (I think)

QuestionHi James, I was wondering if you could offer some sage advice. I have a fuschia plant that was doing wonderfully until a few months ago. Ever since the winter, it has been infested with what Im pretty sure

weeeping cherry tree

Questionour tree is 15 yrs old. had a few problems with sap weeping from trunk and leaf growth thinning over the past couple of years. treated it with systemic for bores. the problem is all other w

Yellow edges on Meyer Lemon leaves

QuestionQUESTION: I live in Bradenton Florida, and about 3 months ago bought a small (2 ft high) Meyer Lemon tree from Kmart. I planted it outside in a mostly sunny location, and apply Miracle Grow about once

dalhia

QuestionSome of the leaves on my dahlia are curling and I cant see any insects causing this.The leaves look healthy and green. Looking forward to your answer, thank you . AnswerDoris Iam sorry for the plant

mosquitoes and aborvitae

QuestionJames I planted arborvitae around a patio. My Mother in law said I should not of because they attract mosquitoes. Is there any truth to that. Do arborvitae attract them more than other solid screens If