1. What are “expansive soils,” how are they tested, and how do you successfully landscape with this soil? Updated: January 31, 2012
2. Should I elevate my garden beds or add soil amendments to solve a poor soil drainage problem? Updated: January 31, 2012
3. In what soils do aspen perform the best? I live in Colorado. Updated: January 05, 2012
4. How do you determine the type of soil present in a garden? Updated: November 27, 2011
5. I want to plant two dwarf apples and a dwarf cherry in my yard (16 by 24 feet). The soil is mostly yellow clay and rock; is there any way to amend the soil for trees? Updated: November 20, 2011
6. The landscape crew have laid the mulch down without an underlying lining. Will we be okay without the lining underneath the mulch? Updated: November 20, 2011
7. What characteristics should I look for in a commercial seed starting medium? Updated: November 20, 2011
8. We don't want to have the garden this year, what can we do with this space that will keep it from going to weeds and will also help the soil? Updated: November 09, 2011
9. What is the proper way to prepare to soil an area for a bog garden? Updated: November 07, 2011
10. Do soil amendments conserve water in the landscape? Updated: November 04, 2011
11. What plants can I plant for dry shade areas? I live in Colorado. Updated: October 31, 2011
12. What are soil amendments? Updated: October 29, 2011
13. What are some suggestions for beginning a compost pile? Updated: October 29, 2011
14. What is the difference between hay and straw when used for mulch? Updated: October 21, 2011
15. Will aeration help improve the clay soil under my sod? What about the addition of gypsum? I live in Colorado. Updated: October 21, 2011
16. How can I lower my soil pH (7.5) for lawn grass? Updated: October 17, 2011
17. Can pine bark mulch from last year's garden be worked into soil? Updated: October 16, 2011
18. We want to amend our sandy soil with horse manure. Can horse manure infect our vegetables with a disease that will make us sick? Updated: October 10, 2011
19. What is soil pH, and why is it important? Updated: October 03, 2011
20. Do we have more sand or clay in our soil in Springfield, Missouri? Updated: June 06, 2011
21. Are dead grass clippings from de-thatching the lawn good for mulching my vegetable garden? Updated: May 01, 2011
22. I live in the sandy desert of Nevada. What should I add to the soil to have a productive garden? Updated: April 22, 2011
23. Can you grow any kind of Minnesota plants in St. Peter sandstone? How can you improve it? Updated: April 22, 2011
24. What’s the best way to loosen or improve clay soil in the Midwest? Updated: April 21, 2011
25. Why do people tell me I need to use fertilizers with chlorine in them on our Texas sports fields to correct a sodium problem in our soil and water? Should I try this suggestion of using chlorine? Updated: April 21, 2011
26. Why should I take a soil sample? Updated: September 24, 2010
27. What soil amendments are most effective in shaded areas. I live in Colorado. Updated: July 27, 2010
28. We want to put down sod but the soil here in Colorado is mostly clay. Should we wait until we add amendments such as peat, bone meal, gypsum and steer? Updated: October 21, 2009
29. What is the best way to amend soil that will be irrigated with well water? I live in Colorado and would like to do some gardening. Updated: October 21, 2009
30. What causes the white, powdery substance in my backyard soil each spring? Updated: October 20, 2009

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