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Cottony cushion scale produces sap on lemon tree

Q: Last year, we bought a Meyer lemon and planted it in a large pot. We got more than 30 lemons off this little tree. I noticed a lot of sap near the base of the tree, then a bunch of furry little things on the trunk and some branches. They scrape off easily. I’m guessing they are the cause of the sap.

Method of pruning makes difference in fruit production

Q: Two years ago I planted Thompson seedless grapes. The first two years there were no grapes, and I did not expect any fruit. This year, there are leaves and no fruit. They were pruned the same way as my red seedless grapes, which were very prolific. Is there something special that I must do to make the vine produce?

Weedkiller takes at least seven days to take effect

Q: This year has been the worst for weeds and grass coming up through the rocks. I’ve tried Bayer Advanced all-in-one concentrate that acted like a fertilizer and strengthened their growth. I got Roundup weed and grass killer concentrate. Two weeks later and the grass is coming up like I planted it. What do you suggest I use to spray on this grass to kill it?