black lines in Maple tree

Question photo 452 We are cutting down dead Maple trees in my yard ~ lightning appears to be the killing factor. I am wondering what has caused the thin black lines that look like someone took a sharpi

Tomatoes

QuestionMy red celebrity tomatoes have black spots on their seeds. The rest of the tomato is fine, but the black spots on the seeds are worrying me a little bit. So, I was curious if there was some sort of disease t

Jacaranda tree

Question jacaranda I fell in love with Jacaranda trees years ago and I am determined to have one. He is in a 20 pot right now. I got him when he was about 1 high. He has a smaller one growin

Thanksgiving cactus

QuestionQUESTION: My thanksgiving cactus had never felt better- it bloomed and still produces new flowers, but now its leaves has become soft, squishy. I just took it out of pot to look at roots, since I thought th

magnolia tree and disease

Questiondear dr vann my small magnolia tree appears to have diseased leaves; the underside has several bits of what looks like white rice grains (cooked) the other side has a browning but also a blackening i have

black spots on maple tree

QuestionHi my name is annette There are two maple trees in my front yard. the trees turn from green to yellow to red. There are black spots on the leafs. what can be done,and what are th

rose rosette in coreopsis

QuestionI recently removed 12 rose bushes due to rose rosette. Ive also noticed that a couple of nearby coreopsis plants have the same witches broom characteristics in their leaf structure etc. Is this possible? &nb

Winterizing Flower Beds

QuestionQUESTION: Dr. Vann, Thank you for taking my question. I live in Kingman, KS (zone 6a). I have lantanas, mums, and hostas in flower beds. They are moving into dormancy and I needed some adv

Ants in Potted Plants

QuestionHi, Melissa; I have two olive trees in large pots on a 5th floor balcony (in Dubai - warm climate). One is infested with ants. I dont know what kind of ant but they are black in colour and I want to know how

oak tree bark fungus

QuestionI have an Oak tree in Daytona beach Florida aprox 9 years old the trunk is covered in a flat green fungus it is not leafy like some funguses. What can I do ??? AnswerHank: Can you send me a closeup photo? T

Orange Tree problem

QuestionI recenty bought a home in Lake Havasu AZ. I have a mature orange tree that has not had past problems. Arizona is cool now with daytime temps in the 70s. Recently the leaves have gotten ora

tree parasite?

QuestionQUESTION: I have a deciduous tree (dont know the name - it flowers, then has green leaves in the early spring which turn deep red in late spring) in my yard in eastern Pennsylvania. It now has a large

sheep manure

Questionhi,.melissa i am planning to manure my apple trees with sheep manure,can you tell me what quantity is recommended for a tree,and what does sheep manure contain as regards other manure AnswerDear Vivek, Sorr

Nepenthes Ventrata Help

Question plant Hi Ms Melissa, May I know if theres anything wrong with Nepenthes Ventrata? Its lower stem seems too weak to support its heavy canopy. There are some yellowing of leaves near the

Tree Fungus

QuestionHi. I live in Texas and there was a terrible drought here. We have a mature oak tree (approx 30yrs old) that had all the leaves at the top turn brown and wilt but not fall off. there is a small branch

plums???

Question october sun plums I have a block of october sun plums about 3 to 4 week ago th eleaves started getting a lot of hole like shothole or bacterial spot but both of there have been tested for and showed

spiderplants

QuestionI have a couple of spiderplants in pots, a month or so ago I divided them up then the leaves began to brown where they met the stem and fall away. This was diagnosed as root damage from the repotting and pos

Strawberry Diseases

Question-How common is gray mold? -How many people get sick from gray mold? -Is gray mold deadly? AnswerGray mold disease of strawberry is caused by the fungus Botrytis cinerea. It is extremely common and can

palm tree

Questionpalm tree QUESTION: Would you know how to fix a problem with a palm tree? See attached. the leaves are curling. ANSWER: Dear Garry, I wish I could help you get your palm tree back to looking like it

apple fruits

QuestionHi I wanted to know if their are some foliar sprays which could help in setting of apples. I have mostly delicious variety in my orchards mamm and I am a commercial orchardist. Waiting for your reply back. R