Sago Palm (Cycas revoluta

QuestionWe bought 2 Sago Palms from a large retailer a while back. We then planted them in the ground (sandy soil), however, we did put plenty of mulch and potting soil. Were in Yuma, so the temps are cl

Black eyed susans ( RUDEBEKIA)

QuestionDear John, We have black eyed susans planted at various places on our property, and on every one of them, our foliage starts out well, and then gets all brown spotted and then dries up and dies. until the en

Leaf gall

QuestionMy sasanqua camellias are covered with leaf gall. I was told years ago to pick them off and dispose of them. How do I prevent this problem? AnswerPulling the galls off is the recommended control. &nbs

terrmites&fungus on tree

QuestionMy mom has a big tree in the front yard with some problems. First off it has a fat, plate shaped fungus growing on the truck and at the joints of some of the big limbs. Second is more of a problem, it termit

Diease on our Myer Lemon Tree

QuestionHi, We bought a Meyer Lemon Tree in about a 3 gallon container and put in the ground one year and 2 months ago. We have it fenced with wire as we live on a green belt and have deer etc. We got th

mullberry trees

QuestionI have 2 non fruit bearing mulberry trees. normally from spring all through fall they have full leaves. This year for some reason from the middle of the tree up to the top of the tree the leave look as thoug

crepe myrtle bugs

QuestionWe have bugs on the branches and when you smash them theyre purple. What are they? We live in the Dallas area AnswerSounds like scale insects. They can cause plant death if not controlled and wi

Cycad revoluta

QuestionPlease, David, can you tell me what I can do about these beautifull 30 year old Sago Palms. Those beautiful plants are covered in a white substance like the hibiscus mealy bug and I wonder if you can give me

jasmine

QuestionMy Confederate Star Jasmine leaves are turning brown and drying out. I planted it last spring and so far I have not seen one single bloom on it. AnswerMake sure they are not getting too much water as this w

Disease or pest or normal on thuja trees?

QuestionHi - I just looked at three small thuja trees in my garden and noticed what at first seemed to be clumps of orange leaf-material stuck to them, but when I got close, they are clumps of gooey, amber-colored

whats wrong with my camillia bush?

QuestionI have a camellia bush which has (at the tips of some limbs) larger, waxy, curled or mis-shapen, discolored leaves. Ive never seen this before on the bush. What is it? What causes it? And h

Fire blight in lemon tree?

QuestionCan fire blight infect a lemon tree? My pear tree was hit pretty heavily by fire blight last year, and I proceeded to manage it with the standard recommended techniques. The pear tree is doing well, but a le

tops of thuja green giants are wilting over

QuestionDavid, A few of my green giant trees are about 9 high and have been in the ground for two years. They appear green and healthy with the exception that their tops are leaning over like their are wilting. I

Dripping Foam

QuestionIn the woods near our house there is a large vine type plant that has been cut down. Recently I noticed it has started to produce a dripping foam-like substance from the ends where it was cut. On

magnolia tree question

QuestionI have noticed white spots slightly raised on the entire bark of my sunsation magnolia tree. Planted last fall it seemed to grow well right away. The weather was warm for an unusually long time in Ohio last

Japanese Crimson Maple - dying?

QuestionThe tree did not get any buds, and the branches appear to be almost black. Can anything be done to shock this back to life? AnswerPlease provide me some more information such as how old the plant is,

lemon tree poblem

Questionhi dear expert, i dlike to ask about my lemon tree i have at home which was ther for 12 yrs , some of the leaves turns yellow and fall down with the fruites geting dry in addition to the branches.. almost2/3

Soap Water Mixture

QuestionHi David, what kind of soap water mixture do you use/suggest to kill insects such as spider mites, mealy bugs without hurting the plants (especially leaves) ? Can it be used for spraying Kalanchoe Blossfeld

roses turning brown before blooming

QuestionI live in Ca. My roses buds either turn brown and die before blooming or soon after blooming. Aslo there are light green bugs on the buds. How do I get big beautiful roses? AnswerSoundsl

Daphne Bholua and Crinedendron

QuestionSir, I planted both of the above from container last autumn in northern england.Both are throwing new shoots but I notice some issues on both, fiorst the crinedendron the leaves basically blackened and have