boston fern oily brown fronds

QuestionI have had an outdoor/indoor Boston fern for two years. It usually loses a lot of the bottom fronds in the winter, but just within the last week, almost half of the plant, nearest the window, have beco

Lichens on trees

Question P1020316 There are filamentous lichens on the trees on our property in western North Carolina. Will they harm the trees? They look close to the Usnea genus. AnswerHi Karen: NC is one of my favorite

Gargenia

QuestionI have a Gardenia that is not doing well. I have had it about two years. In the summer it is kept on the out door porch. In the winter it is kept in side.( Connecticut zone 6) This year after it was brought

lemons rotting starting at stem

QuestionWe live on the Oregon Coast, close to the Ca. state ine, we have Myers Lemon trees, they are about 15 years old, they have produce lemons a lot of lemons, this year, the lemons are rotting on the inside of t

Naval Oranges

QuestionEvery year my naval oranges are not juicy on the inside, the are very hard. It that from a disease, lack of watering of what? Also what is the best fungicide to use to spray the tree, I see some

Bumps on Trunk-Red Oak

Question Quercus Rubra I have this 4 yr old Red Oak that i planted last year. I just noticed that part of its skin(bark) is covered in small bumps, the area affected is about 5 inches long. No others parts of the tr

apple tree leaf diseases

QuestionMy 2 yo columner apple tree has leaf wilt on at least 3 branches at the ends of the limbs about 8-10 inches down. they turn brown and fold down like closing an umbrella. I have flowers but no fruit. Wh

Miniature Orange Tree

QuestionI have a miniature orange tree that I have had for two years. Recently, some of the leaves began to curl under. They do not look unhealthy nor have they begun to fall off. The tree seems he

indoor lemon trees

QuestionI have 3 years old indoor lemon tree. After summer tree start to loose leaves. Maybe i need some fertilizer or any other treatment. Also can you please tell me how many times a week i should water the tree.

tropical birch tree

QuestionI have a birch tree and while i was watering it, I noticed that there were four bright yellow rings around one of the branches. I was wondering if this is something to worry about and if it is what should i

Ornamental Plum not losing leaves

QuestionI live in Southern California and I have an 2 ornamental plum trees that I planted last spring. Both trees appear to be healthy, but neither one has lost any of its leaves. Does this mean the tre

Fungus (?) on Patio Clay Pots

QuestionI have rose bushes planted in terra cotta pots on my patio. All of the pots have the normal white discoloration that comes with time. One of the pots has what looks like fungus growing along the

my bonsai

QuestionMy bonsai tree(coral bark maple) has lost all of its leaves and the tips of branches went black. Following a suggestion of an expert, I cut them off and increased the water dosage. Before that I re-potted th

Waxleaf ligustrum

QuestionQUESTION: I planted 10 waxleaf ligustrums about 5 years ago when we bought our house. They are out by the road and these kids keep coming on my property and pulling the foliage off the branches. My question

lady palm

QuestionMy lady palm has yellow mushrooms growing in it and yellow areas on top of the soil. Do you have any suggestions as to how to get rid of this problem, am I over watering? I also have many shoots that have dr

Oak tree weeping black tar from bark

QuestionHi, can you help me. I live in Melbourne Australia and my mature oak has just in the last 2 months developed a black tar weeping from the middle of the trunk. It seems to be getting worse and I want to

Mulberry tree diseased?

QuestionWe recently moved and in the rear yard is a large mulberry tree. It has a lot of 1/2 inch holes in the outer bark of the trunk and some boughs. We asked our gardener to cut away the diseased boughs and give

hoya

QuestionIve had a hoya for 20 years. My daughter took it for awhile and it bloomed beautifuly in a East window. She moved and returned the plant to me. It has not bloomed since (5 years)and only gets longer shoots b

jazmine house plan

QuestionHave a jazmine vine house plant that I am learning how to take care of via internet. I continue to have white pockets of webs that I have used Seven on and it is not going away. Plant looks like

angel trumpet

QuestionQUESTION: Hello Kathy, I have an angel trumpet that I am so concerned may be too far gone to help. It was full, beautiful and blooming yellow flowers. The tree has recently been transplanted from