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Hortiscope: Water less in fall

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 7-inch pot.

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Hortiscope: Get frost blanket for untended pumpkins

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.

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Hortiscope: Watering, calcium both related to end rot

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...

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Hortiscope: Take care of crabgrass problem in the spring

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...

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Hortiscope: Insects cause of sap issue

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...

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Hortiscope: Pruning needs vary depending on plant

Q: Now that we have had frost and are at the end of the growing season, is this the time to trim or prune clematis, honeysuckle and trumpet vines? If so, how much should I trim or prune?

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Hortiscope: Tree's problem likely weather, not dog urine

Q: I have three red maple trees that I planted several years ago. They were beautiful before this spring. One did not have a full production of leaves. Now that fall is here, the other two trees have...

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Hortiscope: Miniature orchard off to a good start

Q: I planted four honeycrisp, four haroldson and two prairie spy apple trees several years ago. I am interested in information on tree care and basic maintenance because I would like to keep them...

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Hortiscope: Disease, not fertility issue, caused tulip sparsity

Q: I am working on the scale insects on my orange tree. I have been using Bonide systemic for four weeks and also cleaning off the new scales. How long does a systemic killer take to clear up the...

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Hortiscope: Trees that keep leaves into fall may be in trouble

Readers: One of my colleagues, Joe Zeleznik, NDSU Extension Service forester, had what I thought was an interesting question posed to him. His response is excellent and I think worthy of a read by...

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Hortiscope: Cut your roses back in fall for best results

Q: I have several questions about different plants. I would like to know if I can trim a schefflera plant. I have a nice plant that was given to me for my son's funeral. The plant sits in my enclosed...

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Hortiscope: Plant expert to retire, will not write column

To everything, there is a beginning and an end. The Hortiscope column started in the early 1980s but will end its run at the end of December because that is when I'll be retiring from the NDSU...

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Putting down his pen

Hortiscope columnist retires after 27 years Fargo - North Dakota State University is losing its resident expert in all things horticulture. Ron Smith, the NDSU Extension Service horticulturist for the...

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Hortiscope: A look at past letters sent to Hortiscope

Readers: I'll do a little reminiscing on some articles and inquiries this week. Here is a question posed to Don Kinzler, who started Hortiscope in 1983.

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Hortiscope: Where to go for horticulture info

Readers: With my exit from the Hortiscope column and retirement, I have been asked by many how to get information on horticultural problems. The answer simply is to contact your local NDSU Extension...

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