1. Are there long-term effects of drought on trees? Updated: January 24, 2012
2. For what tree pruning job would I use a pole pruner? Updated: January 11, 2012
3. When do red and white oak acorns sprout; fall or spring? Updated: January 11, 2012
4. What are the large, black swellings that appear on flowering plum twigs and branches? Updated: January 05, 2012
5. Are there drought-tolerant trees and shrubs? Updated: November 27, 2011
6. What is the proper procedure for dealing with a cavity in a tree trunk? Updated: November 25, 2011
7. We mistakenly pruned our hydrangea early this spring and had no flowers this year. It has made good growth, when do we prune again? Updated: November 17, 2011
8. I am trying to find information on a plant called the “algerie bush”. This native plant in Texas. Updated: November 14, 2011
9. Why is the live oak called "live"? Updated: November 09, 2011
10. How do I determine the sex of a holly plant? I have a female and I'd like to buy a male. Updated: October 31, 2011
11. If you carved your name in a young tree about 4 feet from the ground. When the tree is 250 years old, how far would your name be from the ground? Updated: October 25, 2011
12. What can cause dead twigs or branch tips on my junipers? Updated: October 25, 2011
13. What is making all the nicely drilled holes on my wax myrtle trunks, and is it going to kill my trees? Updated: October 18, 2011
14. Are the fruit of Staghorn Sumac (Rhus typhina) edible or are they only for wildlife? Updated: October 02, 2011
15. What kind of oak produces an acorn as big as a pinpong ball ,mostly overcup, with only about 15 percent of the nut protruding from the bottom? I am from Arkansas. Updated: September 14, 2011
16. My two-year-old rhododendrons have dead twigs with brown rolled leaves. What could be the problem? Updated: August 21, 2011
17. Are the seeds from a highbush cranberry toxic? Updated: July 16, 2011
18. Something is attacking the inside trunk of our Arizona ash tree. It looks like brown dirt in the rotted part. What could cause this and what can be done? Updated: June 29, 2011
19. I am a teacher in New Jersey and a student in my class brought in a hedge ball, which looks like a round ball the size of a grapefruit and is brown, yellow, and green in color. What is it? Updated: June 11, 2011
20. I just pulled out a hydrangea in front of my home and want to know how I can kill the roots. I plan to add more dirt in the area and plant some flowers. Updated: April 22, 2011
21. What should I plant as a privacy screen over 10 feet tall along a busy road? There will be salt thrown up. I live in Minnesota. Updated: December 10, 2010
22. I'm looking for a fast-growing shade tree that would tolerate my Texas shallow soil. I have heard good things about a Texas ash, and that the Fan-Tex ash is a cross between the Texas ash and the Arizona ash. What are the pros and cons of this tree? Updated: March 22, 2010
23. Should tree branches be pruned if they did not leaf out because of a late spring frost? Updated: December 02, 2009
24. We want to mulch beneath our maple to avoid mowing the rising roots. We heard of a method of laying down newspapers before applying the mulch. How much newspaper is needed? Updated: May 14, 2008
25. What plants grow well in the cold plateau highlands (4,000 to 6,000 feet elevation)? Updated: January 24, 2008
26. What type of plants grow well in the high altitude desert (3,500 to 5,000 feet elevation)? Updated: January 24, 2008
27. We live in midstate Georgia and want to plant Leyland cypress to make a "fence." How far apart should they be planted? When is the best time to plant? Updated: January 08, 2008
28. Can you give me information about the evergreen Japanese plum yew, and will it grow in Texas? Updated: January 08, 2008
29. I want to know what plant pepperberries come from. They are used in wreath making and crafts. Updated: January 08, 2008
30. We recently bought a weeping mulberry tree. How do we care for it? Updated: January 08, 2008

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