1. What's wrong with a small Colorado Blue Spruce that's losing needles from the bottom up and mottled with yellow needles here and there? I live in Minnesota. Published: November 17, 2009
2. Is European elm scale harmful to my American elm? Published: October 21, 2009
3. I have wisteria vines growing intertwined with a chain link fence that I want to replace with a wood fence. What is a good time (fall or spring) to remove the fence and cut the vines? How much can I cut them and have them survive? Published: July 31, 2009
4. I have boxelder trees that have some dead branches with loose bark. It looks as if the tree bark is growing over the base of the dead branches. What is happening? Is this a natural thing for the tree to do? Published: July 31, 2009
5. Does Perovskia atroplicifolia (Russian sage) grow well in the wet clay soil found near Duluth, Minnesota? Is this a perennial? Published: July 31, 2009
6. Should I consider some of the popular short-season, cold-tolerant tomato varieties developed by Oregon State University for my northern Minnesota garden? Published: May 16, 2008
7. I am getting married in late September in Minnesota. I would like to grow my own cut flowers for the ceremony. What are you recommendations for fall blooming flowers? When should I start planting them? Published: May 16, 2008
8. Will jalapeno and habanero pepper plants produce peppers if kept indoors? I live in Minnesota. Published: May 15, 2008
9. What kind of sweet onion grows well in Minnesota (Zone 4a), and what are the soil and cultivation requirements? Where can I purchase sets? Can we grow Vidalia onions here? Published: May 15, 2008
10. Several years in a row, I have planted small evergreen trees (3 feet tall) within 5 feet of the street. Each summer I replace them because they die. Is it possible they don't thrive because of salt damage from the deicing products used on the adjacent road? I live in Minnesota. Published: May 15, 2008
11. Do you have information on propagating Cypripedium reginae, the pink and white lady's slipper and Minnesota state flower? Also, do you have general information about cultivating rare or endangered species for Minnesota? Published: May 15, 2008
12. Is there a book with pictures that identify the leaves of flowering plants? I want to avoid pulling up my flowers in the spring when I am weeding my garden. I live in Minnesota. Published: May 15, 2008
13. We heat our Minnesota home with a corn-burning stove, which burns dried corn cobs at a very hot temperature so that all is left is a little brick of ash each day. The guy who sold us the stove said that the ash was full of nitrogen and makes great lawn fertilizer. I was wondering if that's true. Published: May 15, 2008
14. Can I find red wiggler worms naturally in Minnesota? Published: May 15, 2008
15. We live in Minnesota and each spring we have small, approximately 3- to 4-inch-tall flowers come up in our lawn with leaves that look like sharp, broad grass. We also have one purple, star-shaped flower. Any idea what they might be? Published: May 15, 2008
16. We live in Minnesota and have about two to three acres that are part of our landscape. We would like to plant some sort of ground cover that doesn't need mowing but is still attractive. The area gets full sun and has a slight slope. Published: April 22, 2008
17. I have garden phlox that gets yellow and mottled leaves every year. It affects it enough to reduce the blooms. Could this be lack of water or perhaps a disease or deficiency? I live in Minnesota. Published: April 22, 2008
18. I live in Moorhead and have been trying unsuccessfully to find the hardy mum varieties developed by the University of Minnesota. Are these not widely available? Any suggestions about where they can be purchased? Published: April 03, 2008
19. What bulbs can I plant to have something in bloom in the spring, summer and fall? Is it possible to have a garden devoted to bulbs? I live in Minnesota. Published: April 03, 2008
20. I want to plant my tomato plants as early as possible. When is the expected last frost date in Minnesota? Published: April 03, 2008
21. I live in Anoka County, MN. I planted two blueberry bushes (one Polaris and one Northcountry) this spring and would like to know what I need to do to prepare them for winter. Published: March 07, 2008
22. Last fall I planted garlic bulbs and then this spring I cut back the leaves in error, thinking that they were the flower stalks. The result was baby bulbs, about nickel-size in diameter. I plan on trying again. When is fall planting time in Minnesota? Published: March 07, 2008
23. What can I expect from apples grown on M.7a (EMLA7) and MM.111 root stocks? Are there other rootstocks commonly used in Minnesota? Published: March 05, 2008
24. Our Minnesota back yard butts up against a channel with grass growing to the water's edge. There has been some shoreline erosion, so we are considering adding a beach blanket. How should we proceed? Published: March 04, 2008
25. When is it too late in the fall to plant grass seed in Minnesota? Published: March 03, 2008
26. How and when do you treat for a sawfly infestation in Black Hills spruce trees? I am in Minnesota. Published: March 03, 2008
27. I have tried all manner of pesticides, yet I can't stop the potato aphids that are coating my potatoes. Any suggestions? I live in Minnesota. Published: March 02, 2008
28. We had our soil tested at our local Minnesota Extension office. Our fertilizer recommendation was 15-0-30. I am having trouble finding fertilizer that is anywhere close to that NPK ratio. What would you suggest? Also, how late in the fall can I fertilize shrubs and lawns? Published: February 20, 2008
29. I currently have a hops vine that grows on an arch on the north side of my Minnesota home. I would like to replace it with a new vine because the hops are too aggressive. I would love a flowering vine, but anything attractive will do the job. Published: February 20, 2008
30. Is there anything you should do to hydrangeas in the fall here in Minnesota? Published: February 20, 2008

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