Black Leaves on Peace Lily

QuestionI have a peace lily and I left it out over night. Some of the leaves are black, there are only 7 leaves that are still green. I read one question and answer on the website to repot it and water i

philodendron fungus

QuestionI have a philodendron that has a white, cotton-like substance in small spots on the leaves and stems. What is this and what can I do to fix it? AnswerSounds like you are describing powdery mildew, a common

pine tree mold

QuestionOn two of our pines there is a black hard growth on the trunk and limbs of the trees. It appears to be going from the bottom to the top of the tree. These are large areas-6 inches long & 3 inches wide.

Fungus in Douglas Fir?

QuestionHi Jim, I recently purchased a cord of firewood consisting of Douglas Fir and Alder. The wood was seasoned but damp as it had been rained on. Many of the fir pieces have black streaks running with the

Mildew of Bosai trees

QuestionHow do I get rid of Mildew on a Bonsai tree? AnswerMy best guess is that the bonsai tree does not have powdery mildew, but has algae growing on it. The algae will not kill the tree but looks like a li

hybiscus bush

Questionhi, live in s. fl. have older hybiscus bush ,planted facing n e. blooms beautiful full blooms.al of a sudden, blooms and new leaves shiveled.new blooms look rotten, get water ok 3 plants in a row are d

Sick money tree for me, too!

QuestionHi Kathy, I found you when I Googled about my money tree. You had recently answered someone elses concerns about their tree, and while it was helpful, it did not quite fit my situation. I have had my money t

white splotches on lemon tree

QuestionWe have had a lemon tree for about 5 years that always comes in at winter time. We have a new cameleon and needed a large tree in its 3 and a half foot habitat so we put the lemon tree in there.

finding fsp of fusarium oxisporum

Questioni have a fusarium oxisporum caused disease on cactus and I like to find its fsp . could you please tell me how i do it AnswerHi Banafshe, The only report I could find on fusarium oxysporum disease in cacti

finding fsp of fusarium oxysporum

Questioni have a fusarium oxisporum caused disease on cactus and I like to find its fsp . could you please tell me how i do it AnswerI assume by fsp you mean formae specialis. Most Fusarium species have anoth

Cleaning Home Grown Fruit

QuestionQUESTION: Oranges and Grapefruit from my trees are blackened by something, possibly mold. How do I clean them for consumption? Thanks. ANSWER: You are probably dealing with sooty mold, which is caused

Stagnant Lemon Tree

QuestionHello - Last year a friend gave me a small lemon tree in a pot. The pot is 6 in diam. and 6 tall. The tree is about 18 tall (above the soil). It was beautiful when I first recd it (in Dec. of 06)

plant reaction to harm

QuestionHi, I have read an article stating that plants can react to damage by releasing specific hormones. http://www.sciencedaily.com/releases/1998/08/980806090010.htm But what I do not understand is : how can a

Greenish Fungus on Trees

QuestionI live in central NJ and see green fungus on my flowering cherry and lilac trees. Can you recommend a spray or a treatment for these trees? These trees dont look healthy and may be dying. AnswerAre yo

green moss/fungus killing trees

QuestionMany of the trees in my yard are being covered by a light green stuff that looks like moss or fungus or somthing. The branched that have the plant growing on it no longer have leaves or flowers and a c

lemon tree with small green bugs

QuestionHi, I have a 2 year old Florida lemon tree that is almost always indoors as i live in a city. The tree has started to show some random brown/rust colored patches. there not condensed into spots. These

house plant problem

QuestionQUESTION: I have a large plant I believe to be of the palm tree variety. It has fuzzy white stuff on the underside of the leaves. At first I thought it was mealy bugs but,the substance is not cottony more li

honeysuckle with yellow leaves & brown spots

QuestionI live in the high desert in california my honeysuckles i planted this spring are now getting yellow leaves with brown spots i have given them iron but it seems to be getting worse. They are north facing and

White Spots on Holly Bush Leaves

QuestionQUESTION: As the subject says, white spots on holly bush leaves: these spots are on top and the under side of the leaf. The body is oval in shape with fingers radiating out on the entire circumference. The t

creepy thin brownish plant worms...

QuestionHey David, I have couple of house plants I bought few months ago. For the past month or so I found those creepy looking thin, brownish worms crawling out of the pots to the floor. They are less than an inch