Q. We have an old silver maple tree that we have trimmed three times in the past 15 years. The most recent trimming took place earlier this year.
This summer, I noticed a lot of sap all over everything on my deck, which is underneath the tree. My husband says he’s seen it do this before, but I have not noticed it before and I am out on the deck more than he is.
Q: I have a couple of questions related to fall lawn preparation. I have some large areas of crabgrass in my lawn, so I am wondering how I can get rid of it before winter hits. Should I apply Roundup on the plants and then reseed? Is there an easier way to deal with crabgrass?
NDSU Extension Service, 10/18/2012
Q: I read your article about blossom end rot on tomatoes. All the articles I have read say to give the tomatoes some calcium. It does work, so the rot has nothing to do with watering. I figured a man in your job would know better than to say it is the watering.
Q: I have large pumpkins and a ton of buttercup squash in the garden. We will be going on vacation, so I wonder what temperatures they will tolerate in our absence. Thanks for your time.
Q: I’m hoping you can help me. I received a huge cymbidium orchid plant that was on the downside of its blooming. There were seven or eight bulbs squeezed into a
Q: About a year ago, I received a peace lily. It has done surprisingly well, considering the various opinions I have received on how to keep it healthy.
About a week ago, a caterpillar appeared on the underside of one of the leaves.
Q: I have two adult walnut trees in my yard that have green walnuts the size of golf balls. How do I know when the walnuts are ripe and ready to pick? What signs do I look for?
Q: Can you tell me why my tomatoes crack? I water regularly and fertilize with tomato spikes. Otherwise, the plants look healthy. We had the same problem last year, so we changed the variety, but it didn’t help. I would appreciate if you could help me.
Q: I planted a hibiscus shrub that gets flowers the size of a dinner plate. I’ve had the plant for three years. This year, it is much bigger and loaded with buds. I was so excited until I noticed the buds are yellowing and something’s eating the leaves. The leaves look like lacy Swiss cheese.
Q: Our 12-year-old weeping birch tree appears to have died because all the leaves have turned brown. Do you think it is a goner or should we wait to see if it revives next year? What do you think caused this? The leaves started turning brown early this summer.
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